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USA UltraRunning Races & Events Calendar
( 2018 United States Ultramarathons List ) 2018 United States Ultramarathon Calendar

Jump to find 2019 / 2018 ultra races, 100 mile races & results by state :
Alabama - AL | Alaska - AK | Arizona - AZ | Arkansas - AR | California - CA | Colorado - CO | Connecticut - CT | Delaware - DE | 
Florida - FL | Georgia - GA | Hawaii - HI | Idaho - ID | Illinois - IL | Indiana - IN | Iowa - IA | Kansas - KS | Kentucky - KY | Louisiana - LA | 
Maine - ME | Maryland - MD | Massachusetts - MA | Michigan - MI | Minnesota - MN | Mississippi - MS | Missouri - MO | 
Montana - MT | Nebraska - NE | Nevada - NV | New Hampshire - NH | New Jersey - NJ | New Mexico - NM | New York - NY | North Carolina - NC | 
North Dakota - ND | Ohio - OH | Oklahoma - OK | Oregon - OR | Pennsylvania - PA | Rhode Island - RI | South Carolina - SC | 
South Dakota - SD | Tennessee - TN | Texas - TX | Utah - UT | Vermont - VT | Virginia - VA | Virgin Islands - VI | Washington - WA | 
West Virginia - WV | Wisconsin - WI | Wyoming - WY | 
Ultra Series ]

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ALABAMA to CALIFORNIA ( AL, AK, AZ, AR & CA )

Alabama - AL  South / East South Central
 Lake Martin 100
USA ( Alabama - AL ) | 100 miles | March
 Mount Cheaha 50K
USA ( Alabama - AL ) | 50 km | February
 Pinhoti 100
USA ( Alabama - AL ) | 100 miles | November

Alaska - AK  West / Pacific
 Iditarod Trail Invitational
USA ( Alaska - AK ) | 1100/350 miles | February
 Resurrection Pass Ultra Trail Races
USA ( Alaska - AK ) | 100/50 miles | July
 Sluice Box 100
USA ( Alaska - AK ) | 100 miles | June
 Six Days In The Dome 2014
USA ( Alaska - AK ) | 6 Day, 24 & 48 Hour Races | August
 Susitna 100
USA ( Alaska - AK ) | 100 miles | February
 White Mountains 100
USA ( Alaska - AK ) | 100 miles | March

Arizona - AZ  West / Mountain
 Across The Years ( ATY ) 6 Day, 72, 48 and 24 Hour Footrace
USA ( Arizona - AZ ) | 6 day, 72, 48 & 24 Hour Races | December/January
 ARR 24 Hour Run To The Future
USA ( Arizona - AZ ) | 24 Hour Race | December/January
 Coldwater Rumble
USA ( Arizona - AZ ) | 100 miles | January
 Desert Solstice 24 Hour Run
USA ( Arizona - AZ ) | 24 Hour Race | December
 Flagstaff to Grand Canyon Stagecoach Line 100 Mile Ultra
USA ( Arizona - AZ ) | 100 miles | October
 Grand Canyon Ultras
USA ( Arizona - AZ ) | 100 miles | May
 Javelina Jundred 100 Mile Endurance Run
USA ( Arizona - AZ ) | 100 miles | October
 Juniperwood Ranch 50 Mile, 24 Hour and 48 Hour Runs
USA ( Arizona - AZ ) | 50 miles / 24 & 48 Hour Races | April/May
 Mogollon Monster 100
USA ( Arizona - AZ ) | 106 miles | September
 Old Pueblo 50 Mile Endurance Run
USA ( Arizona - AZ ) | 50 miles | March
 Zane Grey Highline Trail 50 Mile Endurance Run
USA ( Arizona - AZ ) | 50 miles | April

Arkansas - AR  South / West South Central
 3 Days of Syllamo
USA ( Arkansas - AR ) | 150 km | Multiday | March
 Arkansas Traveller 100
USA ( Arkansas - AR ) | 100 miles | October
 Ouachita Trail 50
USA ( Arkansas - AR ) | 50 miles / 50 km | April
 Sylamore Trail 50K
USA ( Arkansas - AR ) | 50 km | February
 Syllamo 100
USA ( Arkansas - AR ) | 100 miles | October

California - CA  West / Pacific
 100-Mile Endurance Challenge
USA ( California - CA ) | 100 miles | October
 American River 50 Mile Endurance Run
USA ( California - CA ) | 50 miles | April
 Angeles Crest 100 Mile Endurance Run
USA ( California - CA ) | 100 miles | July
 Auburn Trail 50K Run
USA ( California - CA ) | 50 km | June
 Avalon Benefit 50 Mile Run
USA ( California - CA ) | 50 miles | January
 Badwater Ultramarathon
USA ( California - CA ) | 135 miles | July
 Bandit Ultra Trail Run
USA ( California - CA ) | 50 km | February
 BeyondLimits Ultra
USA ( California - CA ) | 100 miles | March
 Bishop High Sierra Ultramarathons
USA ( California - CA ) | 100 km | May
 Born to Run Ultra Marathons
USA ( California - CA ) | 100 miles / 100 km | May
 Bulldog 50K Ultra Trail Run
USA ( California - CA ) | 50 km | August
 Cool Moon 100 Mile
USA ( California - CA ) | 100 miles | July
 Coyote Two Moon Ultras
USA ( California - CA ) | 100 miles / 100 km | March
 Dick Collins Firetrails 50
USA ( California - CA ) | 50 miles | October
 Gold Country 50K Run
USA ( California - CA ) | 50 km | October
 Folsom Point Trail Runs
USA ( California - CA ) | 50 km | November
 Headlands Hundred 50 & 100 Mile Endurance Runs
USA ( California - CA ) | 100/50 miles | August
 High Desert 50K Ultra
USA ( California - CA ) | 50 km | December
 Hotter than Hell 12 Hr / 6 Hr Run
USA ( California - CA ) | 12 & 6 Hour Races | August
 Jenkinson Lake Trail Runs
USA ( California - CA ) | 50 km | May
 Kodiak 100 Ultramarathon
USA ( California - CA ) | 100 miles | September
 Lake of the Sky Trail Run
USA ( California - CA ) | 50 km | September
 Lake Sonoma 50
USA ( California - CA ) | 50 miles | April
 Leona Divide Fifty Mile Run ( LD50 )
USA ( California - CA ) | 50 miles | April
 Miwok 100K Trail Race
USA ( California - CA ) | 100 km | May
 Nanny Goat's 100
USA ( California - CA ) | 100 miles | May
 Ohlone Wilderness 50K Trail Run
USA ( California - CA ) | 50 km | May
 Orange Curtain 100km and 50km Ultra Races
USA ( California - CA ) | 100/50 km | February
 Pony Express 50 Mile Run
USA ( California - CA ) | 50 miles | February
 Quad Dipsea
USA ( California - CA ) | 28.4 miles | November
 Razorback Endurance Race
USA ( California - CA ) | 100 miles | March
 Rio Del Lago 100
USA ( California - CA ) | 100 miles | September
 Rock'n River 50 Mile
USA ( California - CA ) | 50 miles | October
 Rocky Road 100 Mile Race
USA ( California - CA ) | 100 miles | February
 Rucky Chucky Roundabout 50K Run
USA ( California - CA ) | 50 km | March
 Run d' Amore
USA ( California - CA ) | 100 / 125 miles | November
 Run-de-Vous 50 Mile & 100 Mile Ultra Races
USA ( California - CA ) | 100 / 50 miles | August
 Ruth Anderson 50K, 50M & 100K Ultra Races
USA ( California - CA ) | 50 miles / 50 & 100 km | April
 San Diego 100 Mile Endurance Run
USA ( California - CA ) | 100 miles | June
 San Francisco One Day ( SF One Day )
USA ( California - CA ) | 12 & 24 Hour Races | October
 Santa Barbara Endurance Race ( DRTE )
USA ( California - CA ) | 100 miles | May
 Sierra Nevada Endurance Runs
USA ( California - CA ) | 52.4 miles | September
 The Chimera 100 Mile Mountain Race
USA ( California - CA ) | 100 miles | December
 The Hermosa 24 Ultramarathon
USA ( California - CA ) | 24 Hour Race | June
 Twin Peaks Ultra
USA ( California - CA ) | 50 miles | October
 Way Too Cool 50k
USA ( California - CA ) | 50 km | March
 Western States 100 (WS 100)
USA ( California - CA ) | 100 miles | June

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COLORADO to FLORIDA ( CO, CT, DE & FL )

Colorado - CO  West / Mountain
 24 Hours of Boulder
USA ( Colorado - CO ) | 24 Hour Race | October
 Boulder 100 Endurance Running Race
USA ( Colorado - CO ) | 100 miles | October
 Desert R.A.T.S. ( Race Across The Sand )
USA ( Colorado - CO ) | 148 miles | June
 Devil Mountain Ultra
USA ( Colorado - CO ) | 50 miles | October
 Grand Mesa 100
USA ( Colorado - CO ) | 100 miles | July
 Hardrock 100 Endurance Run
USA ( Colorado - CO ) | 100 miles | July
 Leadville Trail 100
USA ( Colorado - CO ) | 100 miles | August
 Mountain R.A.T.S. ( Race Across The Summits )
USA ( Colorado - CO ) | 75-100 miles | July/August
 Mountain Ultra
USA ( Colorado - CO ) | 250 km | Multiday
 Ouray 100 Mile Endurance Run
USA ( Colorado - CO ) | 102.5 miles | August
 Run Rabbit Run 100 Mile
USA ( Colorado - CO ) | 100 miles | September
 Run Rabbit Run Steamboat 50 Ultra Marathon
USA ( Colorado - CO ) | 50 miles | September
 Silverton 100, 500 & 1000 Mile Challenge
USA ( Colorado - CO ) | 100/500/1000 miles | Multiday | September/October
 The Bear Chase
USA ( Colorado - CO ) | 50 miles | September
 The Divide 135 Ultra
USA ( Colorado - CO ) | 135 miles | May
 TransRockies Run
USA ( Colorado - CO ) | 113 miles | Multiday | August

Connecticut - CT  Northeast / New England
 Jack Bristol's Lake Waramaug Ultra Marathon
USA ( Connecticut - CT ) | 100 km | April

Delaware - DE  South / South Atlantic
 Delaware 100 Mile Endurance Run
USA ( Delaware - DE ) | 100 miles | September

Florida - FL  South / South Atlantic
 Ancient Oaks 100 Mile Endurance Run
USA ( Florida - FL ) | 100 miles | December
 Destin 50 Beach Ultra
USA ( Florida - FL ) | 50 miles | February
 Fort Clinch 100
USA ( Florida - FL ) | 100 miles | March
 Icarus Florida UltraFest
USA ( Florida - FL ) | 6 Day, 6, 12 & 24 Hour Races | Multiday | November
 Iron Horse Endurance Runs 50 and 100
USA ( Florida - FL ) | 50/100 miles | February
 JW Corbett 50 Mile/50K
USA ( Florida - FL ) | 50 miles / 50km | September
 Keys 100 Mile & 50 Mile UltraMarathons
USA ( Florida - FL ) | 100/50 miles | May
 Long Haul 100 Ultra-Marathon
USA ( Florida - FL ) | 100/50 miles | January
 LOST 118 Mile ( Lake Okeechobee Scenic Trail Run )
USA ( Florida - FL ) | 118 miles | February
 Palm 100
USA ( Florida - FL ) | 50/100 km | March
 Peanut Island 24
USA ( Florida - FL ) | 24 Hour Race | December
 Performance Jetty-2-Jetty ( J2J ) Beach Ultramarathon
USA ( Florida - FL ) | 35 miles | May
 Skydive Ultra
USA ( Florida - FL ) | 100 miles | January
 Wickham Park
USA ( Florida - FL ) | 100/200 miles | May
 Wild Sebastian 100
USA ( Florida - FL ) | 100 miles | April

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GEORGIA to LOUISIANA ( GA, HI, ID, IL, IN, IA, KS, KY & LA )

Georgia - GA  South / South Atlantic
 Bartram Forest 100
USA ( Georgia - GA ) | 100 miles / 100km | December
 Cruel Jewel 100
USA ( Georgia - GA ) | 100 miles | May
 Double Top 100
USA ( Georgia - GA ) | 100 miles / 100km | March
 Georgia Jewel 100 Mile Race
USA ( Georgia - GA ) | 100 miles | September
 GUTS Reactor Run ( GRR 100 )
USA ( Georgia - GA ) | 100 miles | March
 Lead the Way 50K
USA ( Georgia - GA ) | 50 km | July
 Pine Mountain 40
USA ( Georgia - GA ) | 40 miles | December
 SweetH20 50K Trail Race
USA ( Georgia - GA ) | 50 km | May

Hawaii - HI  West / Pacific
 HURT 100 Mile Endurance Run
USA ( Hawaii - HI ) | 100 miles | January

Idaho - ID  West / Mountain
 IMTUF 100 ( Idaho Mountain Trail Ultra Festival 100 )
USA ( Idaho - ID ) | 100 miles | October
 NNU 100 Mile Run
USA ( Idaho - ID ) | 100 miles | November
 Wilson Creek Frozen 50k
USA ( Idaho - ID ) | 50 km | January
 Pickled Feet 24/12/6 Hour & 100 Mile Races
USA ( Idaho - ID ) | 100 miles / 6, 12 & 24 Hour Races | March
 Pocatello 50 Mile Trail Run
USA ( Idaho - ID ) | 50 miles | May
 Wild Idaho Endurance Runs
USA ( Idaho - ID ) | 50 miles / 50 km | August

Illinois - IL  Midwest / East North Central
 Chicago Lakefront 50K Spring Ultramarathon
USA ( Illionois - IL ) | 50 km | April
 Potawatomi Trail Runs
USA ( Illionois - IL ) | 100/50 miles | April

Indiana - IN  Midwest / East North Central
 Indiana Trail 100
USA ( Indiana - IN ) | 100 miles | April
 OPSF Ultra 50/50
USA ( Indiana - IN ) | 50 miles / 50 km | November
 Taterbug 30 Ultramarathon
USA ( Indiana - IN ) | 30 miles | November
 The HUFF 50K Trail Run
USA ( Indiana - IN ) | 50 km | December

Iowa - IA  Midwest / West North Central
 Cornbelt Running Club 24 Hour Run
USA ( Iowa - IA ) | 24 Hour Race | May
 The Equalizer 6 & 24 Hour Runs
USA ( Iowa - IA ) | 24 Hour Race | October

Kansas - KS  Midwest / West North Central
 Free State Trail Runs
USA ( Kansas - KS ) | 40 miles / 100 km | April
 Hawk Hundred 100 Mile Trail Run
USA ( Kansas - KS ) | 100 miles | September
 Heartland 100
USA ( Kansas - KS ) | 100 miles | October
 Psycho Psummer Run Toto Run
USA ( Kansas - KS ) | 50 km | July
 Psycho WyCo Run Toto Run 50K
USA ( Kansas - KS ) | 50 km | February

Kentucky - KY  South / East South Central
 Land Between The Lakes
USA ( Kentucky - KY ) | 50 miles | March

Louisiana - LA  South / West South Central
 Rouge-Orleans
USA ( Louisiana - LA ) | 124 miles | March

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MAINE to MONTANA ( ME, MD, MA, MI, MN, MS, MO & MT )

Maine - ME  Northeast / New England
 Great Cranberry Island Ultra Marathon
USA ( Maine - ME ) | 50 km | July

Maryland - MD  South / South Atlantic
 C&O Canal 100
USA ( Maryland - MD ) | 100 miles | April
 CAT-100 ( Catoctin-Appalachian Trail Run )
USA ( Maryland - MD ) | 100 miles | May
 Catoctin 50K Trail Run
USA ( Maryland - MD ) | 50 km | August
 HAT Run
USA ( Maryland - MD ) | 50 km | March
 JFK 50 Mile
USA ( Maryland - MD ) | 50 miles | November
 Mason Dixon Longest Day Challenge 100k Trail Run
USA ( Maryland - MD ) | 100 km | June

Massachusetts - MA  Northeast / New England
 24 Hour Around the Lake
USA ( Massachusetts - MA ) | 12 & 24 Hour Races | July

Michigan - MI  Midwest / East North Central
 Hallucination 100 Mile
USA ( Michigan - MI ) | 100 miles | September
 Marquette Trail 50
USA ( Michigan - MI ) | 50 miles | August
 North Country 50 Miler
USA ( Michigan - MI ) | 50 miles | August

Minnesota - MN  Midwest / West North Central
 Arrowhead 135 Mile Winter Ultramarathon
USA ( Minnesota - MN ) | 135 miles | February
 FANS 6, 12 and 24 Hour Runs
USA ( Minnesota - MN ) | 6, 12 & 24 Hour Races | June
 Superior Sawtooth 100 Mile
USA ( Minnesota - MN ) | 100 miles | September
 Voyageur Trail Ultra
USA ( Minnesota - MN ) | 50 miles | July
 Wild Duluth Races - 100K and 50K
USA ( Minnesota - MN ) | 100 km / 50 km | October
 Zumbro 100 Mile Endurance Run
USA ( Minnesota - MN ) | 100 miles / 100 km | April

Mississippi - MS  South / East South Central
 Mississippi 50 Trail Run
USA ( Mississippi - MS ) | 50 miles / 50 km | March

Missouri - MO  Midwest / West North Central
 Frisco Fifty
USA ( Missouri - MO ) | 50 miles / 50 km | April
 Mark Twain 100
USA ( Missouri - MO ) | 100 miles | September
 Ozark Trail 100 Mile Endurance Run
USA ( Missouri - MO ) | 100 miles | November

Montana - MT  West / Mountain
 Ghosts of Yellowstone 100 Mile
USA ( Montana - MT ) | 100 miles | August
 Le Grizz Ultramarathon
USA ( Montana - MT ) | 50 miles | October
 Swan Crest Lucky Seven 100-Mile Run
USA ( Montana - MT ) | 100 miles | July
 Yellowstone-Teton Endurance Races
USA ( Montana - MT ) | 100/50 miles | October

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NEBRASKA to NORTH DAKOTA ( NE, NV, NH, NJ, NM, NY, NC & ND )

Nebraska - NE  Midwest / West North Central
 GOATz 50k
USA ( Nebraska - NE ) | 50 km | October

Nevada - NV  West / Mountain
 Burning Man Ultramarathon
USA ( Nevada - NV ) | 50 km | September
 Coyote Springs Trail Runs
USA ( Nevada - NV ) | 100 miles | March
 Labor of Love 100 Miler
USA ( Nevada - NV ) | 100 miles | April
 Ride the Wind
USA ( Nevada - NV ) | 100 miles | May
 Running with the Devil 50 Mile Run
USA ( Nevada - NV ) | 50 miles | June
 Tahoe 200
USA ( Nevada - NV ) | 200 miles | September
 Tahoe Rim Trail 50km, 50 Mile and 100 Mile Endurance Runs
USA ( Nevada - NV ) | 100 miles | July

New Hampshire - NH  Northeast / New England
 Ghost Train 100
USA ( New Hampshire - NH ) | 100 miles | October
 Hampshire 100 Ultra Trail Run
USA ( New Hampshire - NH ) | 100 km | August

New Jersey - NJ  Northeast / Mid-Atlantic
 3 Days at the Fair
USA ( New Jersey - NJ ) | 6, 12, 24, 48 & 72 Hour Races | May
 New Jersey 100
USA ( New Jersey - NJ ) | 100 miles | March

New Mexico - NM  West / Mountain
 Angel Fire Endurance Run
USA ( New Mexico - NM ) | 100 miles | June
 Cedro Peak Ultramarathon
USA ( New Mexico - NM ) | 45 miles | April
 Deadman Peaks Trail Run
USA ( New Mexico - NM ) | 50 miles | October
 Jemez Mountain Trail Runs
USA ( New Mexico - NM ) | 50 miles / 50 km | May

New York - NY  Northeast / Mid-Atlantic
 Beast of Burden Summer 100 Miler & 24 Hour Ultra Marathon
USA ( New York - NY ) | 100 miles / 24 Hours | August
 Beast of Burden Winter 100 Miler & 24 Hour Ultra Marathon
USA ( New York - NY ) | 100 miles / 24 Hours | February
 Can Lake 50 Ultras
USA ( New York - NY ) | 50 miles / 50 km | October
 Cast a Shadow 6 Hour Snowshoe
USA ( New York - NY ) | 6 Hour Race | January
 Damn Wakely Dam Ultra
USA ( New York - NY ) | 32.6 miles | July
 Finger Lakes Fifties
USA ( New York - NY ) | 50 miles / 50 km | July
 Green Lakes Endurance Runs
USA ( New York - NY ) | 100 km / 50 km | August
 Virgil Crest Ultras
USA ( New York - NY ) | 100/50 miles | September
 Mind The Ducks 12 Hour Run ( MTD )
USA ( New York - NY ) | 12 Hour Race | May
 Self Transcendence 3100 Mile Race
USA ( New York - NY ) | 3,100 miles | Multiday | August
 Self Transcendence Six and Ten Day Race
USA ( New York - NY ) | 6 & 10 Day Races | Multiday | April
 Tesla Hertz Run
USA ( New York - NY ) | 100 miles | October
 The Great New York 100 Mile Running Exposition
USA ( New York - NY ) | 100 miles | June

North Carolina - NC  South / South Atlantic
 Croatan 24
USA ( North Carolina - NC ) | 24 Hour Race | November
 Freedom Park New Year's Ultra
USA ( North Carolina - NC ) | 6, 12 & 24 Hour Races | December/January
 Graveyard 100
USA ( North Carolina - NC ) | 100 miles | March
 Hinson Lake 24 Hour Ultra Classic
USA ( North Carolina - NC ) | 24 Hour Race | September
 Mount Mitchell Challenge
USA ( North Carolina - NC ) | 40 miles | February
 Nantahala Fria 100
USA ( North Carolina - NC ) | 100 miles | February
 Outer Banks Ultramarathon ( OBX Ultra )
USA ( North Carolina - NC ) | 50 km | May
 Umstead 100 Mile Endurance Run
USA ( North Carolina - NC ) | 100 miles | April
 Salem Lakeshore Frosty Fifty
USA ( North Carolina - NC ) | 50 km | January
 Table Rock Ultras
USA ( North Carolina - NC ) | 50 miles / 50 km | October
 Uwharrie Mountain Run
USA ( North Carolina - NC ) | 40 miles | February
 Weymouth Woods 100k Trail Run
USA ( North Carolina - NC ) | 100 km | January

North Dakota - ND  Midwest / West North Central

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OHIO to SOUTH DAKOTA ( OH, OK, OR, PA, RI, SC & SD )

Ohio - OH  Midwest / East North Central
 Burning River 100 Mile Endurance Run
USA ( Ohio - OH ) | 100 miles | July
 Mohican Trail 100 Mile Run
USA ( Ohio - OH ) | 100 miles | June
 North Coast 24 Hour Endurance Run
USA ( Ohio - OH ) | 24 Hour Race | September
 Not Yo Mommas 100
USA ( Ohio - OH ) | 100 miles | September
 Outrun 24 Hour Trail Run ( O24 )
USA ( Ohio - OH ) | 24 Hour Race | April

Oklahoma - OK  South / West South Central
 24 The Hard Way
USA ( Oklahoma - OK ) | 24 Hour Race | October
 Double Dirty Dozen
USA ( Oklahoma - OK ) | 24 Hour Race | October
 Mother Road 100
USA ( Oklahoma - OK ) | 100 miles | November
 Pumpkin Holler Hunnerd
USA ( Oklahoma - OK ) | 100 miles | October
 Tatur's Six Hour Snake Run
USA ( Oklahoma - OK ) | 6 Hour Race | March

Oregon - OR  West / Pacific
 Mountain Lakes 100
USA ( Oregon - OR ) | 100 miles | September
 Mt. Hood 50
USA ( Oregon - OR ) | 50 miles | July
 PCT ULTRA 100 Miler Endurance Run ( Hundred in the Hood )
USA ( Oregon - OR ) | 100 miles | September
 Pine to Palm 100 Mile Endurance Run
USA ( Oregon - OR ) | 100 miles | September
 Siskiyou Out Back Trail Run
USA ( Oregon - OR ) | 50 km | July
 Where's Waldo 100K Ultramarathon
USA ( Oregon - OR ) | 100 km | August

Pennsylvania - PA  Northeast / Mid-Atlantic
 Baker Trail UltraChallenge
USA ( Pennsylvania - PA ) | 50 miles | August
 Eastern States 100
USA ( Pennsylvania - PA ) | 100 miles | August
 Glacier Ridge Trail Ultramarathons
USA ( Pennsylvania - PA ) | 50 miles | April
 Laurel Highlands Ultra
USA ( Pennsylvania - PA ) | 70.5 miles | June
 Lone Ranger Ultra Marathon
USA ( Pennsylvania - PA ) | 24 Hour Race | July
 Oil Creek 100 Trail Runs
USA ( Pennsylvania - PA ) | 100 miles | October
 Philadelphia 100
USA ( Pennsylvania - PA ) | 100 miles | April
 Pine Creek Challenge
USA ( Pennsylvania - PA ) | 100 miles / 100 km | September
 Tussey Mountainback 50 Mile Ultramarathon
USA ( Pennsylvania - PA ) | 50 miles | October
 Viaduct Trail Ultramarathon 100 Mile Run
USA ( Pennsylvania - PA ) | 100 miles | August

Rhode Island - RI  Northeast / New England

South Carolina - SC  South / South Atlantic
 Delirium Ultra 24 Hour Race
USA ( South Carolina - SC ) | 24 Hour Race | February

South Dakota - SD  Midwest / West North Central
 Lean Horse Ultra-Marathon
USA ( South Dakota - SD ) | 100 miles | August
 Black Hills 100
USA ( South Dakota - SD ) | 100 miles | June

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TENNESEE to VIRGINIA ( TN, TX, UT, VT & VA )

Tennessee - TN  South / East South Central
 Barkley
USA ( Tennessee - TN ) | 100 miles | March/April
 Big Dog Backyard Ultra
USA ( Tennessee - TN ) | Last man standing | October
 Nashville Ultra Marathon
USA ( Tennessee - TN ) | 50 miles | October
 Rock/Creek StumpJump 50K
USA ( Tennessee - TN ) | 50 km | October
 Strolling Jim 40 Mile Run
USA ( Tennessee - TN ) | 40 miles | May

Texas - TX  South / West South Central
 Bandera 100K Endurance Trail Run
USA ( Texas - TX ) | 100 km | January
 Big Bend 50 Ultra Marathon
USA ( Texas - TX ) | 50 km | January
 Brazos Bend 100
USA ( Texas - TX ) | 100 miles | December
 Cactus Rose 100 Mile Endurance Trail Run
USA ( Texas - TX ) | 100 miles | October
 Cowtown Ultra Marathon
USA ( Texas - TX ) | 50 km | February
 Cross Timbers Trail Runs
USA ( Texas - TX ) | 50 miles | February
 Grasslands 50 Mile Trail Run
USA ( Texas - TX ) | 50 miles | March
 Houston 100
USA ( Texas - TX ) | 100 miles | December
 Hunter Gatherer Ultramarathons
USA ( Texas - TX ) | 100/50 km | October
 Prickly Pear 50K
USA ( Texas - TX ) | 50 km | March
 Rocky Raccoon 100 Mile Trail Run
USA ( Texas - TX ) | 100 miles | February
 UltraCentric
USA ( Texas - TX ) | 6, 12, 24 & 48 Hour Races | November

Utah - UT  West / Mountain
 Antelope Island Buffalo Run
USA ( Utah - UT ) | 100 miles | March
 Bear 100
USA ( Utah - UT ) | 100 miles | September
 Bryce Canyon 100
USA ( Utah - UT ) | 100 miles | June
 Goblin Valley Ultra Marathon
USA ( Utah - UT ) | 50 km | October
 Grand to Grand Ultra ( G2G )
USA ( Utah - UT ) | 268 km | Multiday | September
 Moab 100 Endurance Running Race
USA ( Utah - UT ) | 100 miles | March
 Pony Express Trail 100
USA ( Utah - UT ) | 100 miles | October
 Salt Flats 100
USA ( Utah - UT ) | 100 miles | April
 Squaw Peak 50 Mile Trail Run
USA ( Utah - UT ) | 50 miles | June
 Slickrock 100 Mile Run
USA ( Utah - UT ) | 100 miles | October
 Wasatch Front 100
USA ( Utah - UT ) | 100 miles | September
 Zion 100
USA ( Utah - UT ) | 100 miles | April

Vermont - VT  Northeast / New England
 24 Hours of Waterbury
USA ( Vermont - VT ) | 12 & 24 Hour Races | August
 McNaughton in Vermont 100, 200 & 500 Mile Ultra
USA ( Vermont - VT ) | 100/200/500 miles | May
 Snowshoe Challenge 100
USA ( Vermont - VT ) | 100 miles | March
 Vermont 50 Ultra Run
USA ( Vermont - VT ) | 50 miles | September
 Vermont 100 Mile Endurance Race
USA ( Vermont - VT ) | 100 miles | July

Virginia - VA  South / South Atlantic
 12 and 24 Hours of Momentum
USA ( Virginia - VA ) | 12 & 24 Hour Races | October
 24 Hour Adventure Trail Run
USA ( Virginia - VA ) | 24 Hour Race | April
 Bull Run Run 50 Miler
USA ( Virginia - VA ) | 50 miles | April
 Crooked Road 24 Hour Ultra
USA ( Virginia - VA ) | 24 Hour Race | December
 Great Eastern Endurance Run 100K ( G.E.E.R. )
USA ( Virginia - VA ) | 100 km | September
 Grindstone 100
USA ( Virginia - VA ) | 100 miles | October
 Hellgate 100K
USA ( Virginia - VA ) | 100 km | December
 Holiday Lake 50K++
USA ( Virginia - VA ) | 50 km | February
 Iron Mountain Trail Run ( IMTR )
USA ( Virginia - VA ) | 50 miles | September
 Massanutten Mountain Trails 100 Mile Run (MMT 100)
USA ( Virginia - VA ) | 100 miles | May
 Mountain Masochist Trail Run ( MMTR )
USA ( Virginia - VA ) | 50 miles | November
 New River Trail 50k
USA ( Virginia - VA ) | 50 km | October
 Old Dominion 100 Mile Cross Country Run
USA ( Virginia - VA ) | 100 miles | June
 Promise Land 50K
USA ( Virginia - VA ) | 50 km | April
 Terrapin Mountain 50k
USA ( Virginia - VA ) | 50 km | March
 Ultra Race of Champions ( UROC ) 100K Trail Race
USA ( Virginia - VA ) | 100 km | September
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Virgin Islands - VI  
 St. Croix Scenic 50
USA ( Virgin Islands - VI ) | 50 miles | January

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WASHINGTON to WYOMING ( WA, WV, WI, & WY )

Washington - WA  West / Pacific
 Badger Mountain Challenge
USA ( Washington - WA ) | 100 miles | March
 Capitol Peak Ultra Marathon
USA ( Washington - WA ) | 50 miles / 50 km | April
 Cascade Crest 100 Mile Endurance Run
USA ( Washington - WA ) | 100 miles | August
 Hamster Endurance Runs
USA ( Washington - WA ) | 12 & 24 Hour Races | August
 Lumberjack 100 Mile Endurance Run
USA ( Washington - WA ) | 100 miles | April
 Pigtails Challenge
USA ( Washington - WA ) | 100/150/200 miles | May
 Plain 100 Mile Endurance Run
USA ( Washington - WA ) | 100 miles | September
 Skagit Valley Ultras
USA ( Washington - WA ) | 100 km | April
 Vashon Island Ultramarathon
USA ( Washington - WA ) | 50 km | June
 WSU 100K
USA ( Washington - WA ) | 100 km | April

West Virginia - WV  South / South Atlantic
 Cheat Mountain Moonshine Madness 50 Mile Trail Run
USA ( West Virginia - WV ) | 50 miles | August
 Rattlesnake Trail 50k
USA ( West Virginia - WV ) | 50 km | July

Wisconsin - WI  Midwest / East North Central
 Badgerland Striders 6, 12 & 24 Hour Runs
USA ( Wisconsin - WI ) | 24 Hour Race | September
 Ice Age Trail 50 Mile & 50K Run
USA ( Wisconsin - WI ) | 50 miles / 50 km | May
 Kettle Moraine 100 Endurance Runs
USA ( Wisconsin - WI ) | 100 miles | June
 Mad City 100K
USA ( Wisconsin - WI ) | 100 km | April
 The Fall 50
USA ( Wisconsin - WI ) | 50 miles | October
 tBunk Challenge
USA ( Wisconsin - WI ) | 200/150/100 miles | November
 Tuscobia Winter Ultramarathon
USA ( Wisconsin - WI ) | 150/75 miles | December

Wyoming - WY  West / Mountain
 Big Horn Mountain Wild and Scenic Trail Run 50 and 100
USA ( Wyoming - WY ) | 100 miles | June
 Grand Teton Races ( GTR ) 100 Mile and 50 Mile Ultramarathon
USA ( Wyoming - WY ) | 100 miles | August
 Happy Jack Endurance Races
USA ( Wyoming - WY ) | 100 miles | July

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DISCONTINUED

 Los Angeles to Las Vegas Footrace 2011
USA ( California - CA ) | 350 miles | Multiday | June
 Los Angeles to New York Footrace 2011
USA ( California - CA ) | 3,220 miles | Multiday | June

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ULTRA Series
Want to run & compete in multiple American ultra running events this year?
If YES, then the following Ultra Series / Championships in America MIGHT be just for you...
Gnarly Bandit Ultra Series Gnarly Bandit Ultra Series 2018 ( 5 Races )
Southern California Ultra Runners Grand Prix Series Southern California Ultra Runners Grand Prix Series 2018 ( 29 Races )
Trail Animals Running Club ( TARC ) Trail Series Trail Animals Running Club ( TARC ) Trail Series 2018 ( 13 Races )
Upper Midwest Trail Runners ( UMTR ) Ultra Series Upper Midwest Trail Runners ( UMTR ) Ultra Series 2018 ( 16 Races )


Other US Ultramarathon Calendar Links...
Still not found a suitable race? Try looking here...
RealEndurance.com - UltraRunning Calendar and Results  :  www.realendurance.com
Run100s - Miscellaneous Ultras  /  100 Mile Races in US & North America  :  www.run100s.com
Running in the USA Map: Upcoming Ultras  :  www.runningintheusa.com
ultraRUNNING Online - Calendar  :  www.ultrarunning.com
Ultra Signup  :  ultrasignup.com

ULTRA Training Assistance
Are you training / planning to start training for an ultramarathon?
If YES, then the following resources might HELP your training plan...
>> Ultramarathon Training Plans / Schedules ( How to Train for an Ultramarathon )

Note: Includes training schedule/program/plan examples as well as general training tips, help and advice.


Follow us on Facebook & Twitter for the Latest NEWS on UltraRunning, UltraMarathons & UltraRunners ...



Looking for Race Results?
Click the Official Website link within the above pages to find race results listings.


Where would you like to go NEXT?

Navigation Options...
Race Lists
2018 Worldwide Ultramarathons List Global Ultramarathon Races & Events Calendar
Alternative Description: 2018 Worldwide Ultramarathons List Worldwide

2018 UK Ultramarathons List UK Ultra Running Races & Events Calendar
Alternative Description: 2018 UK Ultramarathons List United Kingdom

Organiser Lists
2018 Worldwide Ultramarathon Organisers Global Ultra Running Race Organisers
Alternative Description: 2018 Worldwide Ultramarathon Organisers Worldwide


More UltraRunning Stuff!
If you are looking for something in particular, send a message on Twitter @ULTRAmarathonR, post on the Facebook Page or Contact Us by eMail. Alternatively check out these other UltraRunning Resources.




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