Find My Ultra

100 mile ultramarathons

Every 100 mile ultramarathon we hold, 374 of them, with total climb, the cutoff clock and where each one runs. Every race links to its own page, where you can see how it fits the runner you are now.

RaceDistanceWhereDateClimbCutoff
American Heroes Run100 MilesLongmont, COSep 11, 2026—30.183 h
KingWood Ultras100 MilesFrenchtown, NJSep 11, 2026300 ft48 h
Run Woodstock100 MilesGregory, MISep 11, 20269,000 ft30 h
Wasatch Front 100100 MileKaysville, UTSep 11, 202624,000 ft36 h
Coal Miner100 MilesRoslyn, WASep 12, 202620,200 ft36 h
East Fork100 MilesBethel, OHSep 12, 20269,000 ft40 h
Hawk Hundred100 MilesLawrence, KSSep 12, 20266,000 ft32 h
Mogollon Monster 100 Mile100 MilesPine, AZSep 12, 202615,900 ft38 h
Pine Creek Challenge100 MilesWellsboro, PASep 12, 20261,600 ft30 h
Pine to Palm100 MilesWilliams, ORSep 12, 20267,000 ft33.5 h
Superior Fall Trail Races100 MilesTwo Harbors, MNSep 12, 202614,000 ft38 h
Virgil Crest100 MilesCortland, NYSep 12, 202623,000 ft36 h
Black Hills Veteran March110 MilesDeadwood, SDSep 16, 2026—33 h
Marji Gesick Ultra Race100 MilesIshpeming, MISep 18, 202610,300 ft48.467 h
Run Rabbit Run 100100 MileSteamboat Springs, COSep 18, 202620,391 ft36 h
The Georgia Jewel Run100 MilesDalton, GASep 18, 202613,356 ft34 h
Bryce Canyon 100100 MileHatch, UTSep 19, 202614,002 ft36 h
Flagstaff to Grand Canyon Stagecoach Line100 MilesFlagstaff, AZSep 19, 20265,837 ft31.5 h
IMTUF 100 - Idaho Mountain Trail Ultra Festival100 MilesMcCall, IDSep 19, 202622,000 ft36 h
Iron Will 100100 MilesJunction City, KSSep 19, 20265,000 ft36 h
Mile Madness Endurance Run100 MilesAuburn, CASep 19, 2026—48 h
Plain Endurance Runs100 MilesLeavenworth, WASep 19, 202621,000 ft36 h
Teanaway Country 100M/50M100 MilesCle Elum, WASep 19, 202627,844 ft40 h
Ultra Fest100 MilesSnoqualmie Pass, WASep 19, 2026—30 h
Wild Goose Trail Festival100 MilesHewitt, NJSep 19, 202611,275 ft36 h
Woodstock Warrior100 MilesWoodstock, VASep 19, 202618,000 ft36 h
The Bear 100100 MileLogan, UTSep 25, 202621,986 ft36 h
Cowboy 100100 MilesNorfolk, NESep 25, 20261,300 ft32 h
The Fools' Ultra: Revenge of Champy100 MilesCrown Point, NYSep 25, 2026—48 h
Hindsight Ultra Trail Runs100 MilesDixon, ILSep 26, 20266,200 ft32 h
Miami 100 Race100 MilesMiami, FLSep 26, 2026—32 h
Midwest Everest Race100 MilesBelmont, MISep 26, 202629,000 ft36 h
Sangre de Cristo 100100 MileWestcliffe, COSep 26, 202620,000 ft38 h
Tulsa Urban Adventure100 MilesTulsa, OKSep 26, 2026—34 h
Ultrapalooza100 MilesOsawatomie, KSSep 26, 20261,500 ft30 h
Chihuahua by UTMB155kmBarrancas del Cobre, MexicoOct 1, 202626,247 ft42 h
DC Peaks 100100 MileSalt Lake City, UTOct 2, 202620,869 ft36 h
Angeles Crest 100 Mile100 MilesWrightwood, CAOct 3, 202619,869 ft33 h
Arkansas Traveller 100100 MilesPerryville, AROct 3, 202612,000 ft30 h
El Diablo Hundo100 MilesDoyline, LAOct 3, 2026—40 h
Export 100 Trail Race100 MilesExport, PAOct 3, 20267,372 ft32 h
Dark Downs161 kmPlumpton, United KingdomOct 3, 202611,942 ft34 h
Quantico 24-Hour Walk/Run for Charity100 MilesQuantico, VAOct 3, 2026—30 h
Saddles 100100 MilesPrescott, AZOct 3, 202612,867 ft34 h
The Hennepin Hundred - Run100 MilesSterling, ILOct 3, 20262,000 ft30 h
The Midnight Dreary100 MilesMount Pleasant, SCOct 3, 2026—30 h
Pfälzer Weinsteig UTPW 170173kmSchweigen-Rechtenbach, GermanyOct 9, 202620,013 ft39 h
Heartland Race100 MilesCassoday, KSOct 9, 20266,000 ft30 h
Indiana Trail100 MilesAlbion, INOct 9, 20266,000 ft30 h
Kodiak Ultra Marathons100 MilesBig Bear Lake, CAOct 9, 202615,912 ft36 h
The Biggest Little Ultra100 MilesSparks, NVOct 9, 20261,508 ft48 h
The Yeti 100 Mile Endurance Run100 MilesWhitetop, VAOct 9, 20266,220 ft30 h
Virginia Trail Running Festival100 MilesMax Meadows, VAOct 9, 20262,000 ft33 h
75 KM UTACCH - Ultra Trail Amanecer Comechingón160kmVilla Yacanto de Calamuchita, ArgentinaOct 10, 202616,798 ft36 h
Canal Corridor 100 Mile Endurance Run100 MilesAkron, OHOct 10, 20262,000 ft32 h
Farmdale Trail Run100 MilesEast Peoria, ILOct 10, 20266,188 ft32 h
Hainesport Endurance Run100 MilesHainesport, NJOct 10, 2026—30 h
Midstate Massive Ultra Trail100 MilesNew Ipswich, NHOct 10, 202612,050 ft32 h
Oil Creek Trail Run100 MilesTitusville, PAOct 10, 202617,627 ft32 h
Tesla Hertz Run100 MilesRocky Point, NYOct 10, 20262,700 ft54 h
Wolverine State 100100 MilesPetoskey, MIOct 10, 2026—33 h
Grand Raid Réunion - La Diagonale des Fous175kmSaint-Pierre, FranceOct 15, 202633,465 ft66 h
Ultra-Trail Mount Yun by UTMBUMY 100MHukou Waterfall, ChinaOct 16, 202624,278 ft48 h
Mines of Spain Race100 MilesDubuque, IAOct 16, 202614,000 ft33 h
Pony Express Trail 100 Mile100 MileVernon, UTOct 16, 2026—30 h
Bromont Ultra 160 km Trail Run160kmBromont, CanadaOct 17, 202613,123 ft32 h
Cahuilla Rez Ultra100 MilesAnza, CAOct 17, 20268,500 ft29 h
Endless Day Backyard Ultra100 MilesRichfield, UTOct 17, 2026—24 h
Ghost Train Trail Races100 MilesBrookline, NHOct 17, 20263,202 ft30 h
Gila 100100 MilesSilver City, NMOct 17, 202613,181 ft36 h
HKY 100 Mile Ultra Trail Race100 MilesHickory, NCOct 17, 202615,500 ft30 h
Pumpkin Holler Hunnerd100 MilesTahlequah, OKOct 17, 20265,771 ft30 h
Sonoma Fall Classic100 MilesHealdsburg, CAOct 17, 202625,058 ft36 h
The Wicked Windstone100 MilesColumbia Cross Roads, PAOct 17, 202610,000 ft30 h
Uwharrie 100 Mile and Trail Run100 MilesTroy, NCOct 17, 202617,420 ft36 h
FSR 100100 MilesCopperhill, TNOct 18, 202615,000 ft30 h
Hare Mountain 100100 MilesHagarville, AROct 23, 2026—38 h
No Business 100100 MilesJamestown, TNOct 23, 202610,696 ft34 h
San Diego 100 Mile Endurance Run100 MilesEscondido, CAOct 23, 2026—30 h
Cactus Rose100 MilesBandera, TXOct 24, 202610,341 ft40 h
Island View - Endurance Run100 MilesGoleta, CAOct 24, 202625,000 ft36 h
Kansas Rails-to-Trails Extravaganza100 MilesOttawa, KSOct 24, 20261,775 ft30 h
Lake Murray Endurance Run100 MilesArdmore, OKOct 24, 20267,500 ft32 h
Rim to River 100100 MilesNew River Gorge, WVOct 24, 202612,000 ft32 h
Show Me Your Free State Ultra100 MilesSt. Joseph, MOOct 24, 2026552 ft30 h
Tussey Mountainback100 MilesBoalsburg, PAOct 24, 202610,970 ft28 h
Machete Muertos 200100 MilesPerris, CAOct 28, 2026—48 h
WTF Dark Sky 220 Cherry Springs 110 Wooly110 MilesLock Haven, PAOct 28, 202618,500 ft54 h
Hell Creek Race100 MilesSylvan Grove, KSOct 30, 202610,120 ft32 h
Kullamannen Ultra173kmHöganäs, SwedenOct 30, 20267,546 ft32 h
Javelina Jundred Endurance Run100 MilesFountain Hills, AZOct 31, 20265,200 ft30 h
Ozark Trail 100 Mile Endurance Run100 MilesSteelville, MOOct 31, 202612,000 ft32 h
Grampians Peak Trail 100mi (GPT100)100miHorsham, AustraliaNov 5, 202624,639 ft53 h
Grampians Peaks Trail 100 Miler159 kmMt Zero Picnic Area, AustraliaNov 5, 202620,719 ft55 h
Mamba100 MilesMemphis, TNNov 6, 2026—34 h
tBunk Endurance Challenge100 MilesWhitewater, WINov 6, 2026—30 h
Deadman Peaks Trail Run100 MilesCuba, NMNov 7, 2026—63 h
Dunns Ultra Marathon Badasses - D.U.M.B.100 Milespomona park, FLNov 7, 2026—34 h
Mountaineer Rumble Race100 MilesClover, SCNov 7, 20267,500 ft32 h
Pinhoti100 MilesSylacauga, ALNov 7, 202616,180 ft32 h
Ponderosa Polar Challenge100 MilesOrderville, UTNov 7, 2026—51 h
Rio Del Lago Race100 MilesGranite Bay, CANov 7, 20268,176 ft30 h
The Next Loop 50M 100M Challenge \| Pinnacle Mountain100 MilesRoland, ARNov 7, 2026—32 h
Willapa Trail Festival100 MilesChehalis, WANov 7, 2026—34 h
Rise El Taco Loco100 MilesSan Antonio, TXNov 14, 2026—30 h
Route 66 UltraRun: Solo and Team Relay Divisions100 Miles (Crewed)Seligman, AZNov 14, 2026—48 h
Tampa Bay 100 Mile100 MilesTampa, FLNov 14, 20261,165 ft36.5 h
Tunnel Hill Race100 MilesVienna, ILNov 14, 20262,300 ft30 h
Fat Ox Run100 MilesGoodyear, AZNov 20, 2026—47 h
Chattabrewchee Invitational100 MilesColumbus, GANov 21, 2026—32 h
Dinosaur Valley Endurance Run100 MilesGlen Rose, TXNov 21, 20269,000 ft35 h
Fall Creek 50100 MilesSpencer, TNNov 21, 202611,500 ft32 h
Fire Fest Ultra100 MilesLogandale, NVNov 21, 2026—35 h
Girl Scout Island Ultra100 MilesSavannah, GANov 21, 2026—32 h
The Stuffed Turkey Endurance Race100 MilesGranger, IANov 21, 20264,550 ft31.5 h
Ultra-Trail Kosciuszko by UTMB - Kosci 100161kmPerisher Valley, AustraliaNov 26, 202616,404 ft36 h
Boundiful Endurance Runs100 MilesHemet, CANov 28, 2026—31 h
La SaintéLyon155 kmSaint-Étienne, FranceNov 28, 202615,420 ft31 h
The New Gemini 100100 MilesSmyrna, GANov 28, 2026—30 h
Blood Rock Race101 MilesPelham, ALDec 4, 202617,196 ft44 h
Brazos Bend 100100 MilesNeedville, TXDec 5, 2026100 ft32 h
Crooked Creek Ultra Trail Race100 MilesShepherdsville, KYDec 5, 202616,000 ft36 h
Devil Dog Ultra Race100 MilesTriangle, VADec 5, 202610,250 ft32 h
Festivus Trail Run100 MilesMiddleburg, FLDec 5, 20263,150 ft38 h
Freight Train 200100 MilesWolfe City, TXDec 5, 2026—30 h
Last Chance Ultra100 MilesStockton, MODec 5, 20267,800 ft32 h
Loup Garou Trail Run100 MilesVille Platte, LADec 5, 20267,800 ft29.5 h
The Hitchcock Experience100 MilesHoney Creek, IADec 5, 202617,000 ft34 h
Frigid Beast Feast102 MilesSpringfield, LADec 11, 2026—54 h
Beast of the East 100100 MilesKings Mountain, NCDec 12, 202617,925 ft34 h
Daytona 100 - Ultra100 MilesAtlantic Beach, FLDec 12, 20263,000 ft30 h
Spirit of Syllamo100 MilesNorfork, ARDec 12, 202617,000 ft34 h
Ancient Oaks 100 Mile Run100 MilesTitusville, FLDec 19, 20263,000 ft32 h
Desert Solstice100 MilesPhoenix, AZDec 19, 2026—24 h
KAILAS FUGA SHENZHEN 100165 kmShenzhen, ChinaDec 25, 202631,181 ft46.5 h
Across the Years100 MilesPeoria, AZDec 28, 20262,300 ft72 h
Kyoto Great Round100MilesKyoto, JapanDec 28, 202626,247 ft31 h
Snowdrop Ultra100 MilesMissouri City, TXDec 30, 2026—55 h
Go Big Race100 MilesHilo, HIDec 31, 20265,000 ft31.5 h
New Year's One Day100 MilesSan Jose, CADec 31, 2026—28 h
Run Undead Ultra Trail Party100 MilesPelham, ALDec 31, 20265,600 ft36 h
IRON HORSE100 MilesParis, TXJan 2, 20272,000 ft30.5 h
Frozen: H3 - Run100 MilesBethera, SCJan 8, 2027800 ft33 h
H9 Fierce Dragon (200M)100 MilesBlairsville, GAJan 15, 202729,000 ft52 h
Southern Tour Ultra Race100 MilesWilmington, NCJan 15, 20273,410 ft30 h
Coldwater Hundred100 MilesGoodyear, AZJan 16, 20278,600 ft32 h
HURT 100 Endurance Run 100 Mile100 MilesHonolulu, HIJan 16, 202729,744 ft36 h
Long Haul 100100 MilesLakeland, FLJan 16, 20271,194 ft32 h
The Shippey Endurance Runs100 MilesHigh Ridge, MOJan 16, 202715,000 ft34 h
Arc of Attrition by UTMB - Arc 50Arc 100MPorthcurno, United KingdomJan 22, 202718,068 ft37 h
G.O.A.T. Trail100miWadi Ghalilah Ras Al Khaimah, United Arab EmiratesJan 24, 202735,433 ft53 h
Forgotten Florida Race100 MilesChristmas, FLJan 30, 2027—35 h
The Bootleg Boogie100 MilesBoulder City, NVJan 30, 202716,000 ft36 h
Beast of Burden - Winter100 MilesLockport, NYFeb 6, 2027——
BURT 100100 MilesBainbridge Island, WAFeb 6, 2027—30 h
Rocky Raccoon100 MilesHuntsville, TXFeb 6, 20275,200 ft32 h
Donna 110 Ultra Marathon110 MilesJacksonville, FLFeb 7, 2027—25 h
Angela Ivory Memorial Runs100 MilesFelton, DEFeb 13, 2027—31.5 h
Flat Top Mesa Endurance Run100 MilesMesquite, NVFeb 13, 2027—30 h
Iron Heart Ultra100 MilesSt James, MOFeb 13, 20277,134 ft36 h
Tarawera 50 km Ultramarathon163kmRotorua, New ZealandFeb 13, 202712,139 ft36 h
Outlaw 100 Oklahoma100 MilesWilburton, OKFeb 13, 202717,500 ft48 h
Susitna 100 Mile100 MilesBig Lake, AKFeb 13, 20272,110 ft48 h
La Misión XL159 kmSan Martin de los Andes, ArgentinaFeb 18, 202723,819 ft72 h
Froggy Mountain Warrior 100100 MilesGalax, VAFeb 20, 202715,000 ft40 h
Jackpot Ultra Running Festival100 MilesHenderson, NVFeb 20, 20271,900 ft32 h
Space Pirate 100100 MilesPort Canaveral, FLFeb 20, 2027500 ft31 h
The Enoree 100100 MilesNewberry, SCFeb 20, 20276,200 ft32 h
Grandmaster Ultras100 MilesLittlefield, AZFeb 26, 20273,888 ft48 h
Grandmaster Ultras Run100 MilesMesquite, NVFeb 26, 20273,888 ft48 h
Orcas Island 100100 MilesOrcas Island, WAFeb 26, 202726,000 ft36 h
Lake Vian Hilltop Run100 MilesVian, OKFeb 27, 20277,500 ft32 h
Run LOVIT100 MilesMt Ida, ARFeb 27, 202711,985 ft34 h
Sam's Last Stand96 MilesCleveland, TXFeb 27, 2027—36 h
Will Rogers 24 Hour/12 Hours/6 Hour100 MilesPacific Palisades, CAFeb 27, 2027—30 h
Mississippi Trail 50100 MilesLaurel, MSMar 5, 2027—30 h
Geaux Wild Ultra100 MilesDoyline, LAMar 6, 2027—35 h
Holly Springs Race Against the Sun - 100 Mile100 MilesHolly Springs, NCMar 6, 20275,760 ft30 h
Lake Martin Endurance Race100 MilesAlexander City, ALMar 6, 2027—30 h
MST (Mountains To Sea)100 MilesDurham, NCMar 6, 20276,168 ft34 h
Ultra Caballo Blanco Copper Canyon Ultra100miUrique, MexicoMar 6, 202717,487 ft38 h
Appalachian 200/100100 MilesFranklin, NCMar 10, 202720,000 ft38 h
The Drift 100100 MilesPinedale, WYMar 12, 20279,000 ft53 h
The Pistol Ultra Run100 MilesAlcoa, TNMar 13, 2027—32 h
THUNDER KISS 100M and 20 Miler100 MilesSterrett, ALMar 13, 202712,500 ft36 h
Southern States 200100 MilesDelta, ALMar 17, 2027—52 h
Pulse Endurance Runs (Pickled Feet)100 MilesEagle, IDMar 19, 2027—32 h
Viper 300100 MilesMemphis, TNMar 19, 20273,000 ft38 h
Warbird100 MilesHyden, KYMar 19, 20279,847 ft35 h
American Bottoms 113113 MilesColumbia, ILMar 20, 20271,591 ft35 h
Blackbeard’s Revenge Race100 MilesCorolla, NCMar 20, 2027410 ft31.5 h
Cow Ford 100100 MilesJacksonville, FLMar 20, 2027—30 h
Grasslands Trail Run100 MilesDecatur, TXMar 20, 20274,000 ft30 h
The Bootlegger 100 Mile Trail100 MilesJackson, GAMar 20, 20279,000 ft32 h
Canebrake 100 Miler100 MilesAtlanta, GAMar 22, 2027—48 h
Badger Mountain Challenge100 MilesRichland, WAMar 26, 202715,023 ft32 h
Big Zaddy's Backyard Daddy99 MilesChattanooga, TNMar 26, 2027—30 h
Prairie Spirit Trail100 MilesOttawa, KSMar 27, 2027—30 h
Istria 100 by UTMB168.2kmBuzet, CroatiaApr 2, 202722,310 ft45 h
Rosalia Trail Challenge160kmKatzelsdorf, AustriaApr 3, 202712,008 ft36 h
Big Al’s 200100 MilesFranklin, TNApr 3, 202727,000 ft—
El Jefe 100100 MilesSuperior, AZApr 3, 202712,548 ft36 h
Leatherwood Marathons100 MilesFerguson, NCApr 3, 202725,145 ft36 h
Umstead Endurance Run100 MilesRaleigh, NCApr 3, 20278,000 ft30 h
White Mountains 100 Mile Ultra Race100 MilesFairbanks, AKApr 4, 20278,300 ft32.5 h
Zumbro Endurance Run100 MilesWabasha, MNApr 9, 202713,500 ft34 h
Patagonia Run162 kmSan Martin de los Andes, ArgentinaApr 10, 202730,253 ft42 h
Blue Heron Hundreds100 MilesMooresville, ALApr 10, 2027—31 h
Camp Croft100 MilesSpartanburg, SCApr 10, 20277,000 ft32 h
Chief Ladiga 100100 MilesJacksonville, ALApr 10, 20273,500 ft32 h
Potawatomi100 MilesPekin, ILApr 10, 202716,000 ft30 h
Rim Runner Trail Race100 MilesSewanee, TNApr 10, 202712,000 ft32 h
Zion 100100 MileVirgin, UTApr 10, 202710,481 ft36 h
NoCo Urban Ultra and Relay100 MilesGreeley, COApr 11, 20271,200 ft30.5 h
Double Top Stone Anvil100 MilesChatsworth, GAApr 16, 20278,000 ft30 h
Tuscany Crossing TC100M161kmCastiglione d'Orcia (SI), ItalyApr 16, 202718,307 ft34 h
Run4Kids 24 Hour Running Party100 MilesCorona, CAApr 16, 2027—30 h
Chester Ultra 100100miEllesmere Port, United KingdomApr 17, 20275,217 ft32 h
Devon Coast To Coast Ultra180kmWembury, United KingdomApr 17, 202711,240 ft38 h
Leona Divide Run100 MilesLake Hughes, CAApr 17, 202716,447 ft33 h
Silver Moon Race - Kings River100 MilesReedley, CAApr 17, 20278,750 ft30 h
Feral Mtn 100M/50M100 MilesEllijay, GAApr 23, 202721,000 ft40 h
Ultra-Trail Mt. Fuji (UTMF)167kmFuji, JapanApr 23, 202721,696 ft45 h
C&O Canal 100 Mile100 MilesKnoxville, MDApr 24, 2027—30 h
Crown Stub 100100 MilesBuxton, ORApr 24, 20277,000 ft32 h
Skunk Ape Endurance Run100 MilesOcala, FLApr 24, 20273,100 ft36 h
Coyote Two Moon Ultras100 MilesOjai, CAApr 30, 202726,000 ft42 h
Salt Flats 100100 MileWendover, UTApr 30, 20276,000 ft36 h
Trail Amizmiz163 kmAmizmiz, MoroccoMay 1, 202728,802 ft44 h
Riverlands 100100 MilesTurner, MEMay 1, 2027—32 h
The Big Deal at Great Seal100 MilesChillicothe, OHMay 1, 2027—35 h
Bradshaw Brute100 MilesBlack Canyon City, AZMay 3, 202720,838 ft38 h
Hellbender 100100 MilesOld Fort, NCMay 7, 202723,000 ft40 h
Dawn To Dusk To Dawn Track Ultras100 MilesSharon Hill, PAMay 8, 2027—30 h
Les Coursières des Hauts du Lyonnais - Trail des Coursières163 kmSaint-Symphorien-sur-Coise, FranceMay 8, 202720,669 ft40 h
Epona 100 Miler100miAbergavenny, United KingdomMay 8, 202717,001 ft50 h
Ultra-Trail Australia by UTMB - UTA100100miKatoomba, AustraliaMay 14, 202723,917 ft44 h
Born to Run Ultra Marathons100 MilesLos Olivos, CAMay 14, 2027—48 h
Cruel Jewel105.9 MilesBlue Ridge, GAMay 14, 202733,000 ft48 h
Trail Alsace Grand Est by UTMB - Ultra-Trail des Chevaliers156kmTurckheim, FranceMay 14, 202716,732 ft40 h
Trail Alsace Grand Est by UTMB - Ultra-Trail des Païens159 kmOrschwiller, FranceMay 14, 202716,732 ft37 h
Trail de Haute-Provence - THP50166kmLardiers, FranceMay 15, 202722,966 ft46 h
Five Rivers Ultra100miShotley, United KingdomMay 15, 20273,281 ft32 h
Keys Ultras100 MilesKey Largo, FLMay 15, 2027—32 h
Massanutten Mountain Trails 100 Mile Run100 MilesFort Valley, VAMay 15, 202718,500 ft36 h
NUTS Karhunkierros 166km Trail Ultra166kmRuka, FinlandMay 21, 202712,402 ft34 h
Crown of the Crest100 MilesFremont, NEMay 22, 2027—30 h
Hardmoors 110110miFiley, United KingdomMay 22, 202719,685 ft36 h
High Lea 6/12/24 hour100 MilesRichfield, OHMay 22, 20277,705 ft30 h
Nanny Goat100 MilesRiverside, CAMay 22, 2027—30 h
Pigtails Challenge100 MilesRenton, WAMay 22, 20279,000 ft34 h
Infinitus100 MilesRipton, VTMay 28, 202717,310 ft46 h
Soria Moria til Verdens Ende169 kmVoksenkollen, NorwayMay 28, 202713,310 ft35 h
Swiss Canyon Trail166kmCouvet, SwitzerlandMay 29, 202727,894 ft44 h
Chesterfield Gorge Ultra100 MilesWest Chesterfield, MAMay 29, 2027—30 h
Iron Will Backroads100 MilesEnterprise, KSMay 29, 2027—36 h
Tamba 100 Adventure Trail175 kmTamba, JapanMay 29, 202738,599 ft57 h
Connecticut Ultra Traverse \#CUT112112 MilesSouthwick, MAJun 4, 2027—44.5 h
Hell Hole Hundred 100 Mile100 MilesBethera, SCJun 4, 20271,260 ft33 h
Scout Mountain Ultra Trail100 MilesPocatello, IDJun 4, 202722,276 ft36 h
Eagle Up Ultra100 MilesCanal Fulton, OHJun 5, 2027—24 h
The Great Divide Ultra 100 Mile100 MileDivide, COJun 5, 202716,071 ft36 h
Lumberjack Endurance Runs100 MilesPort Gamble, WAJun 5, 202712,000 ft30 h
Mace’s Hideout 100100 MilesBeulah, COJun 5, 202722,500 ft36 h
Mohican Trail 100 Mile100 MilesLoudonville, OHJun 5, 202712,458 ft32 h
Old Dominion 100 Mile Endurance Run100 MilesWoodstock, VAJun 5, 202713,000 ft28 h
Rabid Raccoon100 MilesBeaver Falls, PAJun 5, 202715,200 ft36 h
Weld Your Mettle Running Festival100 MilesWindsor, COJun 5, 2027—36 h
THE MARY VALLEY ULTRA164 kmImbil, AustraliaJun 11, 202719,656 ft42 h
Cape2Cape Ultra Marathon100miAugusta, AustraliaJun 12, 202710,128 ft48 h
Bay Area 100100 MilesOakland, CAJun 12, 202718,263 ft33 h
Cool Moon Trail Runs100 MilesCool, CAJun 12, 202713,600 ft37 h
Huron 100100 MilesGrass Lake, MIJun 12, 20278,209 ft32 h
Woodbooger 100100 MilesNorton, VAJun 12, 2027—40 h
Summer Spine Race174 kmEdale, United KingdomJun 13, 202717,884 ft60 h
Zugspitz Ultratrail 100mi, ZUT100164kmGarmisch-Partenkirchen, GermanyJun 17, 202727,231 ft42.5 h
Six Days In the Dome-WI100 MilesMilwaukee, WIJun 17, 2027—30 h
Bighorn100 MilesDayton, WYJun 18, 202720,500 ft35 h
Burney Mountain 100100 MilesCassel, CAJun 18, 202715,000 ft38 h
Froggy Mountain 100100 MilesGalax, VAJun 18, 2027—60 h
Ardennes Méga Trail165 kmLes Hautes Rivieres, FranceJun 19, 202722,966 ft44.5 h
Jurassic Extinction 105mi Ultra105miPoole, United KingdomJun 19, 202716,732 ft38 h
Great New York Running Exposition100 MilesNew York, NYJun 19, 20273,000 ft30 h
Strawberry Fields Forever100 MilesNorth Bonneville, WAJun 19, 2027200 ft30 h
The Longest Light101 MilesSpokane, WAJun 19, 2027—32 h
Black Hills Run100 MilesSturgis, SDJun 25, 202716,779 ft34 h
Blood Root Ultra100 MilesPittsfield, VTJun 25, 2027—37.5 h
Copper Kings 100100 MilesButte, MTJun 25, 202713,960 ft40 h
L'Ultra Marin Raid Golfe du Morbihan175kmVannes, FranceJun 25, 20274,692 ft42 h
Deep Japan Ultra 100160 kmNiigata Pref., JapanJun 25, 202724,898 ft60 h
SISU 100100 MilesEnumclaw, WAJun 25, 2027—36 h
The Yeti 100 Mile Endurance Run-Washington100 MilesNorth Bend, WAJun 25, 2027—30 h
Moray Way 100mi100miForres, United KingdomJun 26, 202713,123 ft30 h
SISU 24 PNW100 MilesEnumclaw, WAJun 26, 2027—30 h
Western States 100100 MilesOlympic Valley, CAJun 26, 202715,540 ft30 h
Val d'Aran by UTMB - VDA (Torn dera Val d'Aran)163kmVielha, SpainJul 2, 202732,808 ft48 h
Midnight Madness100 MilesTulsa, OKJul 3, 2027—30 h
The Underground Circus 100100 MilesAtlanta, GAJul 3, 2027—30 h
Val d'Aran by UTMB - PDA (Peades d'Aigua)Torn dera Val d'Aran - VDASalardu, SpainJul 7, 202732,808 ft48 h
Cry Me a River!100 MilesChillicothe, ILJul 9, 202718,500 ft36 h
Hardrock Hundred Mile Endurance Run100 MileSilverton, COJul 9, 202733,441 ft48 h
Notchview Ultra100.7 miAdams, MAJul 9, 2027—60.5 h
Silverheels 100100 MileComo, COJul 9, 202718,172 ft38 h
Siskiyou Out Back100 MilesAshland, ORJul 9, 202723,000 ft38.667 h
Sinister 7 Ultra100miColeman, CanadaJul 10, 202721,955 ft30 h
Devil's Gulch Race100 MilesWenatchee, WAJul 10, 202724,000 ft37 h
Sirona 100100miBarmouth, United KingdomJul 10, 202715,000 ft50 h
Honey Badger 100100 MilesWichita, KSJul 10, 20271,332 ft36 h
Vero Beach Octopus Ultra100 MilesVero Beach, FLJul 10, 2027—32 h
Viaduct Trail100 MilesLanesboro, PAJul 10, 2027—30 h
Cascade Crest100 MilesEaston, WAJul 16, 20276,500 ft35 h
NUTS Ylläs Pallas 160km Trail Ultra160kmEnontekiö Hetta, FinlandJul 16, 202713,179 ft36 h
Ouray 100 Mile Endurance Run100 MileOuray, COJul 16, 202740,000 ft52 h
Vermont 100100 MilesBrownsville, VTJul 16, 202717,000 ft30 h
Rise in the Pines100 MilesSmithville, TXJul 17, 202710,400 ft36 h
Tahoe Rim Trail100 MilesCarson City, NVJul 17, 202721,863 ft36 h
OSJ Ontake 100km Ultra Trail100miOtaki, JapanJul 18, 202718,796 ft24 h
Crazy Mountain 100100 MileLennep, MTJul 23, 202723,000 ft36 h
TrailFestival 3Kings3Hills Ultra168kmHaidmühle, GermanyJul 23, 202720,669 ft34 h
High Lonesome 100100 MileNathrop, COJul 23, 202723,500 ft37 h
Resurrection Pass100 MilesCooper Landing, AKJul 23, 2027—30 h
Burning River100 MilesCuyahoga Falls, OHJul 24, 2027—30 h
Creede 100100 MilesCreede, COJul 24, 202720,822 ft40.5 h
Kaldoaivi Ultra Trail169 kmNuorgam, FinlandJul 24, 20279,331 ft37 h
Beacons Way Ultra 100100miAbergavenny, United KingdomJul 24, 202720,144 ft40 h
Lakeland105miDalemain, United KingdomJul 24, 202720,669 ft40 h
Hood Hundred100 MilesMt Hood, ORJul 24, 202717,700 ft34 h
Standhope100 MilesKetchum, IDJul 24, 202723,000 ft41 h
The Mighty Mosquito Trail Race & Relay100 MilesMendon, NYJul 24, 2027—30 h
The Trident102 MilesJupiter, FLJul 24, 20278,500 ft36 h
The Huckleberry Hundred100 MilesSpokane, WAJul 25, 202719,000 ft36 h
Folsom 100100 MilesGranite Bay, CAJul 30, 20277,667 ft38.5 h
Lean Horse100 MilesCuster, SDJul 30, 2027—30 h
Badger Trail Races by Ten Junk Miles Racing100 MilesBelleville, WIJul 31, 20274,500 ft36 h
Loopy Looper100 MilesPennsauken Township, NJJul 31, 2027—30 h
KAT100 - Marathon Trail100 MilesFieberbrunn, AustriaAug 5, 202729,528 ft45 h
KAT100 - Marathon Trail173kmFieberbrunn, AustriaAug 5, 202732,480 ft48 h
Capes162kmMabou, CanadaAug 6, 202719,685 ft36 h
HighFive100100 MilesLake City, COAug 6, 202740,000 ft48 h
Wyoming Range 100-Mile Endurance Run100 MilesBondurant, WYAug 6, 202724,000 ft48 h
Swiss Alps 100160kmFiesch VS, SwitzerlandAug 7, 202733,301 ft50 h
Eastern States 100100 MilesWaterville, PAAug 7, 202721,000 ft30 h
UTE 100100 MileLa Sal, UTAug 7, 202723,356 ft41 h
Buckeye Ultra100 MilesWellsville, OHAug 12, 20272,600 ft36 h
Buckeye Ultra Road Race100 MilesAshtabula, OHAug 12, 2027—30 h
Jigger Johnson 50M 100M100 MilesWaterville valley, NHAug 13, 202729,000 ft50 h
San Juan Softie 100100 MilesDurango, COAug 13, 202720,000 ft38 h
Baby Dragon100 MilesBlairsville, GAAug 14, 202726,000 ft50 h
BAD DAWG Ultra Endurance Run100 MilesDixon, MOAug 14, 20275,000 ft32 h
Beast of Burden - Summer100 MilesLockport, NYAug 14, 20271,200 ft30 h
Mauerweglauf 100 Meilen Berlin100miBerlin, GermanyAug 14, 20273,281 ft30 h
Run-de-Vous100 MilesSan Martin, CAAug 20, 2027—30 h
Habanero Hundred100 MilesCat Spring, TXAug 21, 20273,500 ft30 h
Leadville Trail 100 Run100 MileLeadville, COAug 21, 202715,492 ft30 h
Oregon Cascades 100100 MilesSisters, ORAug 21, 202710,900 ft32 h
Rio Grande 100100 MilesSouth Fork, COAug 21, 2027—38.5 h
Shawnee Hills Trail Races100 MilesOzark, ILAug 21, 20279,600 ft33 h
Sur les Traces des Ducs de Savoie (TDS)153kmCourmayeur, ItalyAug 23, 202731,168 ft44.92 h
Ultra Trail Tour du Mont Blanc (UTMB)174kmChamonix, FranceAug 27, 202732,480 ft45 h
Midwest States 50100 MilesWestboro, WIAug 28, 20275,984 ft34.5 h
Ocean State Ultra100 MilesWest Greenwich, RIAug 28, 20273,970 ft30 h
Front Range Ultra Dayze100 MilesLoveland, COSep 2, 2027—109 h
Dark Divide 100 Miler100 MilesRandle, WASep 3, 202727,850 ft48 h
Booneville Backroads Ultra100 MilesBooneville, IASep 4, 20275,540 ft36 h
Yr Wyddfa Snowdon Ultra 100102miBetws-Y-Coed, United KingdomSep 4, 202718,963 ft40 h
Tuscazoar 100 and100 MilesDover, OHSep 4, 202710,000 ft32 h
Wildcat 100 - Race100 MilesPensacola, FLSep 4, 20272,500 ft40 h
Government Peak Endurance 100100 MilesPalmer, AKSep 5, 2027—48 h
Haliburton Forest 100 Mile Race100miWest Guilford, CanadaSep 10, 20276,562 ft30 h
Divona 100100miRhayader, United KingdomSep 11, 202715,000 ft50 h
Grand Raid du Finistère166kmTelgruc-sur-Mer, FranceSep 17, 202712,139 ft31 h
Shinetsu Five Mountains Trail162.2kmMyoko, JapanSep 21, 202721,280 ft33 h
Nice Côte d'Azur by UTMB159kmEze, FranceSep 25, 202726,903 ft30 h
Nice Côte d'Azur by UTMBUltra Trail Métropole Nice Côte d’Azur - 100M Eze, FranceSep 25, 202729,199 ft50 h