Find My Ultra

100K ultramarathons

Every 100K ultramarathon we hold, 365 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
Run Woodstock100 KMGregory, MISep 11, 20265,545 ft28 h
Boulder Field 100 - Ultra Run100 KMJim Thorpe, PASep 12, 20268,000 ft16 h
East Fork100 KMBethel, OHSep 12, 20266,000 ft40 h
Pine Creek Challenge100 KMWellsboro, PASep 12, 20261,200 ft29 h
Hill to Hollow 100km100 KMFabius, NYSep 19, 202610,314 ft20 h
Hurricane Hundred K100 KMHurricane, WVSep 19, 20269,000 ft18 h
Paris Texas Marathon100 KMParis, TXSep 19, 2026—20 h
Ultra Fest100 KMSnoqualmie Pass, WASep 19, 2026—20 h
Wild Goose Trail Festival100 KMHewitt, NJSep 19, 2026—36 h
Conquer the Canyon Trail Race100 KMClaude, TXSep 26, 202611,000 ft18.5 h
Dick Collins Firetrails 50 Mile100 KMCastro Valley, CASep 26, 202610,400 ft16.5 h
Flatrock62.8 miIndependence, KSSep 26, 20264,709 ft19 h
Hindsight Ultra Trail Runs100 KMDixon, ILSep 26, 20265,000 ft32 h
Sangre de Cristo 100K100KWestcliffe, COSep 26, 202612,400 ft24 h
Ultrapalooza100 KMOsawatomie, KSSep 26, 20261,200 ft30 h
TransJeju by UTMB - Jeju100M104 kmJeju, South KoreaOct 2, 202613,189 ft29 h
TransJeju by UTMB - Jeju100M107kmJeju, South KoreaOct 2, 202613,950 ft29 h
The Bear Chase 100K100KLakewood, COOct 3, 20264,336 ft16 h
Cuyamaca 100 km Endurance Run100 KMJulian, CAOct 3, 20269,000 ft19 h
Dana Peak Trail Run100 KMHarker Heights, TXOct 3, 20266,700 ft24 h
El Diablo Hundo100 KMDoyline, LAOct 3, 2026—34 h
Salomon Ultra Pirineu100 kmBaga, SpainOct 3, 202621,526 ft26.5 h
Fire Tower Trail Race100 KMHinckley, MNOct 3, 20261,800 ft19 h
Quantico 24-Hour Walk/Run for Charity100 KMQuantico, VAOct 3, 2026—19 h
The Midnight Dreary100 KMMount Pleasant, SCOct 3, 2026—19 h
Black Forest 100k Ultra Race100 KMNorth Bend, PAOct 4, 202613,400 ft19 h
Heartland 50 Mile Race100 KMCassoday, KSOct 9, 2026—30 h
75 KM UTACCH - Ultra Trail Amanecer Comechingón100kmVilla Yacanto de Calamuchita, ArgentinaOct 10, 202613,714 ft30 h
Hume & Hovell100kmTumbarumba, AustraliaOct 10, 20268,202 ft32 h
Grand Raid de Camargue100 kmSalin-de-Giraud, FranceOct 10, 2026328 ft16 h
Kodiak Ultra Marathons100 KMBig Bear Lake, CAOct 10, 202610,000 ft20 h
Oil Creek Trail Run100 KMTitusville, PAOct 10, 202611,026 ft31 h
Tesla Hertz Run100 KMRocky Point, NYOct 10, 2026—23.5 h
The Mammoth at High Hope Ranch100 KMGlen Rose, TXOct 10, 2026—26 h
Wolverine State 100100 KMPetoskey, MIOct 10, 2026—28.5 h
Grand Raid Réunion - La Diagonale des Fous106 kmSaint-Pierre, FranceOct 15, 202620,512 ft42 h
Ultra-Trail Mount Yun by UTMB97 kmHukou Waterfall, ChinaOct 16, 202614,311 ft28 h
Grand Raid Réunion - Trail de Bourbon100kmCilaos, FranceOct 16, 202620,341 ft42 h
Mines of Spain 100 km Race100 KMDubuque, IAOct 16, 20268,400 ft23 h
The Blackall 100100kmMapleton, AustraliaOct 17, 20269,514 ft28 h
California Fall Classic 100K and100 KMHealdsburg, CAOct 17, 202613,848 ft19 h
Ultra Trail Lago d'Orta (UTLO)100kmOmegna, ItalyOct 17, 202618,799 ft26 h
Love Never Ends Trail Run100 KMAtoka, OKOct 17, 20262,800 ft20 h
Lemkowyna Ultra Trail 100102kmChyrowa, PolandOct 17, 202610,827 ft22 h
Pumpkin Holler Hunnerd100 KMTahlequah, OKOct 17, 20263,537 ft31 h
Shake Your Trail Feather Trail Run100 KMCharleston, ILOct 17, 2026—24 h
The Wicked Windstone100 KMColumbia Cross Roads, PAOct 17, 20266,000 ft30 h
Uwharrie and 100K Trail Run100 KMTroy, NCOct 17, 202610,452 ft35 h
Wild Duluth Races100 KMDuluth, MNOct 17, 20267,061 ft18 h
River Shimanto100kmShimanto, JapanOct 18, 20262,297 ft14 h
MOGAN MOUNTAIN RUNNING RACE99 kmMoganshan, ChinaOct 23, 202618,737 ft30 h
Moganshan 65 Ultra Trail100kmHuzhou City, ChinaOct 23, 202619,367 ft30 h
Canyonlands Ultra 100K100KMoab, UTOct 24, 20267,828 ft17 h
Firewater100 KMGreenback, TNOct 24, 20266,000 ft19.5 h
Island View - Endurance Run100 KMGoleta, CAOct 24, 202616,600 ft24 h
Kansas Rails-to-Trails Extravaganza100 KMOttawa, KSOct 24, 20261,000 ft30 h
Lake Murray Endurance Run100 KMArdmore, OKOct 24, 20264,800 ft30 h
Mujeres and Marigolds100 KMSmithville, TXOct 24, 20264,200 ft24 h
Red Dirt Rambler100 KMShreveport, LAOct 24, 2026—19 h
Hell Creek 100 km Race100 KMSylvan Grove, KSOct 30, 20266,072 ft24 h
Kullamannen Sprint Ultra 100 km108kmHöganäs, SwedenOct 30, 20262,461 ft20 h
Kullamannen Ultra108 kmHöganäs, SwedenOct 30, 20262,461 ft20 h
Ultimate Tsaigu Trail Kuocang105kmZhejiang, ChinaOct 31, 202621,906 ft28.5 h
Mallorca by UTMB - Camins de Pedra Seca102kmEstellencs, SpainOct 31, 202612,270 ft21.5 h
Fall Back Into The Trails100 KMLagrangeville, NYOct 31, 202610,000 ft20 h
Fire Tower Frenzy100 KMEllijay, GAOct 31, 2026—19 h
Javelina Jundred 100 km Endurance Run100 KMFountain Hills, AZOct 31, 20263,956 ft29 h
OSJ Kami 100101kmHyogo Pref., JapanOct 31, 202617,418 ft25 h
Ultra-Trail Shudao by UTMB - CSD103 kmGuangyuan, ChinaNov 6, 202612,316 ft26 h
Ultra-Trail Shudao by UTMB - CSDDSD 100KGuangyuan, ChinaNov 6, 202612,467 ft26 h
Mamba100 KMMemphis, TNNov 6, 2026—21 h
Big Texas Ultra100 KMGeorgetown, TXNov 7, 20264,600 ft20 h
Conquer the Castle Trail Race100 KMWilloughby Hills, OHNov 7, 2026—17 h
Dunns Ultra Marathon Badasses - D.U.M.B.100 KMpomona park, FLNov 7, 2026—36 h
Tokyo 100100kmTokyo, JapanNov 7, 202623,002 ft30 h
Mountain Masochist Trail Run100 KMMontebello, VANov 7, 202611,000 ft17 h
Mountaineer Rumble Race100 KMClover, SCNov 7, 20265,000 ft20 h
Ponderosa Polar Challenge100 KMOrderville, UTNov 7, 2026—19 h
TARC Stone Cat Trail Festival100 KMIpswich, MANov 7, 20265,500 ft14 h
The Next Loop 50M/100k/100M Challenge \| Pinnacle Mountain100 KMRoland, ARNov 7, 2026—24 h
Thunderbird Trail Run100 KMNorman, OKNov 7, 2026—19 h
TransLantau 50 by UTMBTransLantau100Mui Wo, Hong Kong, ChinaNov 13, 202614,764 ft27 h
El Taco Loco100 KMSan Antonio, TXNov 14, 2026—19.5 h
Looking Glass 100K100 KMPisgah Forest, NCNov 14, 202610,600 ft20 h
Red Rock Canyon Race100 KMBlue Diamond, NVNov 14, 20267,000 ft21 h
Tunnel Hill 50 Mile Race100 KMVienna, ILNov 14, 2026—19 h
Fat Ox Run100 KMGoodyear, AZNov 20, 2026—23.5 h
Operation OCALI69 MilesMalibu, CANov 20, 202613,000 ft36 h
Colt Trail Run60 MilesLakeland, FLNov 21, 2026—16 h
Dinosaur Valley Endurance Run100 KMGlen Rose, TXNov 21, 20265,700 ft33.5 h
Fall Creek 50100 KMSpencer, TNNov 21, 20266,200 ft18 h
Fire Fest Ultra100 KMLogandale, NVNov 21, 2026—35 h
Girl Scout Island Ultra100 KMSavannah, GANov 21, 2026—32 h
Saint Lucie Skeeter Skoot100 KMFort Pierce, FLNov 21, 2026—19 h
Ultra-Trail Kosciuszko by UTMB - Kosci 100106kmPerisher Valley, AustraliaNov 26, 20269,941 ft28 h
Ultra Trail Dubai103 kmHatta, United Arab EmiratesNov 28, 202610,922 ft26 h
Brazos Bend 100 - 100 km100 KMNeedville, TXDec 5, 202660 ft31.5 h
Devil Dog Ultra Race100 KMTriangle, VADec 5, 20266,250 ft20 h
Grand Menestrail de Moncontour101 kmMoncontour, FranceDec 5, 202611,483 ft16.5 h
Freight Train 100k100 KMFarmville, VADec 5, 20261,500 ft19 h
Hitchcock Experience100 KMHoney Creek, IADec 5, 202611,000 ft34 h
Jackson County Ultras100 KMBrownstown, INDec 5, 20269,600 ft24 h
Last Chance Ultra100 KMStockton, MODec 5, 2026—19.5 h
Loup Garou Trail Run60 MilesVille Platte, LADec 5, 20264,700 ft24 h
Nature Coast 100k100 KMChiefland, FLDec 5, 2026—24 h
Oman by UTMBJABAL CLASSICOman, OmanDec 10, 202616,404 ft30 h
Beast of the East100 KMKings Mountain, NCDec 12, 202611,862 ft30 h
Hellgate 100 km100 KMLynchburg, VADec 12, 202613,849 ft18 h
Naughty Hog100 KMValley View, TXDec 12, 20264,000 ft18 h
Texmas Trail Race104 KMSmithville, TXDec 12, 20264,000 ft20 h
Dudhsagar Ultra Trail, Goa100kmMollem, IndiaDec 16, 20262,133 ft15 h
Rudolph & Roses100 KMTyler, TXDec 19, 2026—20 h
Slough and Steady100 KMOzawkie, KSDec 19, 2026—19 h
KAILAS FUGA SHENZHEN 100100 kmShenzhen, ChinaDec 25, 202621,145 ft30 h
Across the Years100 KMPeoria, AZDec 28, 20261,428 ft72 h
Snowdrop Ultra100 KMMissouri City, TXDec 30, 2026——
Run Undead Ultra Trail Party100 KMPelham, ALDec 31, 20263,370 ft27 h
IRON HORSE100 KMParis, TXJan 2, 20271,000 ft30 h
Bandera Endurance Run100 KMBandera, TXJan 9, 20276,240 ft25 h
H9 Fierce Dragon (200M)100 KMBlairsville, GAJan 15, 202717,700 ft22 h
True Blue Ultra100kmAustralind, AustraliaJan 16, 202752 ft15 h
GZ100 Guangzhou - 100 km Run100kmGuangzhou City, ChinaJan 16, 202715,459 ft28 h
Coldwater Hundred100 KMGoodyear, AZJan 16, 20275,500 ft31.75 h
Coyote Cohorts Backbone Trail Ultra68 MilesSanta Monica Mountains, CAJan 16, 202712,628 ft26 h
The Shippey Endurance Runs100 KMHigh Ridge, MOJan 16, 20279,000 ft34 h
Big Bend100 KMTerlingua, TXJan 17, 20274,500 ft20 h
Franklin Mountains Trail Runs100 KMEl Paso, TXJan 21, 202713,000 ft30 h
Cowboy Yeti100 KMBastrop, TXJan 23, 20274,000 ft20 h
Ultra Trail d'Angkor100kmSiem Reap, CambodiaJan 23, 20273,346 ft24 h
Running the Rose108 KMTyler, TXJan 23, 20275,790 ft22 h
G.O.A.T. Trail100kmWadi Ghalilah Ras Al Khaimah, United Arab EmiratesJan 24, 202717,215 ft33 h
Sean O'Brien 100K/50M 26.2/30K100 KMCalabasas, CAJan 30, 202713,179 ft19 h
The DUC100 KMPocomoke, MDFeb 5, 2027—19 h
BURT 100110 KMBainbridge Island, WAFeb 6, 2027—21 h
UTDF104 kmLe Montat, FranceFeb 6, 202713,110 ft24 h
North Texas Ultra100 KMJacksboro, TXFeb 6, 2027—19 h
Rocky Raccoon100 KMHuntsville, TXFeb 6, 2027—31 h
Black Canyon Ultras100 KMMayer, AZFeb 13, 20275,219 ft20.5 h
Flat Top Mesa Endurance Run100 KMMesquite, NVFeb 13, 2027—19 h
Iron Heart Ultra100 KMSt James, MOFeb 13, 20274,428 ft—
Lost 118100 KMClewiston, FLFeb 13, 2027—19 h
Tarawera 50 km Ultramarathon103kmRotorua, New ZealandFeb 13, 20277,218 ft30 h
Happy Chinese New Year 100 km Race100 KMSan Diego, CAFeb 20, 2027—19 h
Jackpot Ultra Running Festival100 KMHenderson, NVFeb 20, 2027—30 h
Red Dirt Ultra100 KMNatchitoches, LAFeb 20, 20274,000 ft18 h
GGR Ishikiriba100kmKitahiroshima, JapanFeb 21, 202726,047 ft15 h
Grandmaster Ultras Run100 KMMesquite, NVFeb 26, 20273,160 ft48 h
Sila3vette Ultra100kmCamigliatello Silano, ItalyFeb 26, 202718,045 ft18 h
UltraHélike 100km100kmElche, SpainFeb 27, 20273,773 ft24 h
Ultra Baume103kmCuges-les-Pins, FranceFeb 27, 202717,388 ft24 h
Lake Vian Hilltop Run100 KMVian, OKFeb 27, 20274,650 ft27.5 h
Run LOVIT100 KMMt Ida, ARFeb 27, 20279,485 ft24 h
SoCalUltraTrail at Tejon Ranch100 KMLebec, CAFeb 27, 202711,903 ft18 h
Sycamore Canyon100 KMPoway, CAFeb 27, 20278,800 ft17 h
Crazy Desert Trail Race Race100 KMSan Angelo, TXMar 6, 2027—24 h
Homer Epic100 KMHomer, AKMar 6, 20272,409 ft24 h
SallandTrail100kmNijverdal, NetherlandsMar 6, 20271,706 ft10 h
Bariloche 100100kmBariloche, ArgentinaMar 13, 202716,732 ft24 h
Buzzard Day Trail Race100 KMHinckley, OHMar 13, 2027——
Ultra-Trail Xiamen by UTMB97kmFantian, ChinaMar 13, 202717,415 ft30 h
The Pistol Ultra Run100 KMAlcoa, TNMar 13, 2027—32 h
THUNDER KISS 100M/100K and 20 Miler100 KMSterrett, ALMar 13, 20277,500 ft32 h
The North Face 50 Hong Kong100kmFong Ma Po, Hong Kong, ChinaMar 19, 202717,720 ft27 h
Sciacche Ultratrail 100km100kmRiomaggiore (SP), ItalyMar 19, 202716,404 ft24 h
Viper 300107 KMMemphis, TNMar 19, 20272,000 ft31 h
Buffalo Stampede101 kmBright, AustraliaMar 20, 202715,748 ft28 h
Blackbeard’s Revenge 100 km Race100 KMCorolla, NCMar 20, 2027—27 h
Badger Mountain Challenge100 KMRichland, WAMar 26, 20279,500 ft32.5 h
Ultra Trail dei Castelli Bruciati100kmPiagera di Gabiano (AL), ItalyMar 27, 202712,303 ft24 h
Prairie Spirit Trail100 KMOttawa, KSMar 27, 2027—19 h
Istria 100 by UTMB111.4kmBuzet, CroatiaApr 2, 202713,780 ft28 h
Leatherwood Marathons100 KMFerguson, NCApr 3, 202715,095 ft19 h
Tenerife Bluetrail By UTMB110kmVilaflor, SpainApr 9, 202720,505 ft27 h
Patagonia Run108 kmSan Martin de los Andes, ArgentinaApr 10, 202718,799 ft35 h
Blue Heron Hundreds100 KMMooresville, ALApr 10, 2027—19 h
Desert Peak Ultra100 KMOracle, AZApr 10, 202710,927 ft24 h
Desert RATS 100K100KFruita, COApr 10, 20276,632 ft20 h
Hiroshima Trail100kmHiroshima, JapanApr 10, 202720,945 ft32 h
Lake McMurtry Run100 KMStillwater, OKApr 10, 2027—19 h
Lake Sonoma 100K100 KMHealdsburg, CAApr 10, 2027—19 h
MadCity Ultras100 KMMadison, WIApr 10, 2027—13 h
New River Trail 100 km100 KMFries, VAApr 10, 2027—13 h
Zion 100K100KVirgin, UTApr 10, 20275,646 ft22 h
Tuscany Crossing TC100M102 kmCastiglione d'Orcia (SI), ItalyApr 16, 202712,283 ft23 h
Les Courses du Mont-Terrible - Trail d'Outremont107 kmFontenais, SwitzerlandApr 17, 202716,473 ft20.5 h
Double Top Stone Anvil100 KMChatsworth, GAApr 17, 2027—19 h
Penyagolosa Trails106 kmCastellón, SpainApr 17, 202718,310 ft25.75 h
Devon Coast To Coast Ultra100kmWembury, United KingdomApr 17, 20276,644 ft25 h
Gorge Waterfalls100 KMCascade Locks, ORApr 17, 202712,592 ft17 h
Leona Divide Run100 KMLake Hughes, CAApr 17, 20279,767 ft17 h
Stillhouse 100K100 KMSoddy Daisy, TNApr 17, 202712,000 ft19 h
Costa Rica 200110 kmCariari, Costa RicaApr 19, 202720,604 ft35.98 h
Canyons Endurance Runs100 KMAuburn, CAApr 24, 202712,303 ft19 h
Ultratrail Fränkische Schweiz - Longtrail102kmEbermannstadt, GermanyApr 24, 202713,451 ft21 h
North Wales100kmPrestatyn, United KingdomApr 24, 20277,999 ft18 h
Great Southern Endurance Run100 KMKennesaw, GAApr 24, 2027—19 h
Machete Trail Madness 100k100 KMPerris, CAApr 24, 202713,200 ft15 h
MIUT Discover 60K - Madeira Island Ultra Trail109 kmBoaventura, PortugalApr 24, 202723,622 ft32 h
MIUT Legend 115K - Madeira Island Ultra Trail109kmPorto Moniz, PortugalApr 24, 202723,622 ft32 h
Wawayanda Trail Race100 KMHewitt, NJApr 24, 2027—19 h
Jack Bristol Lake Waramaug Ultra Races100 KMNew Preston, CTApr 25, 2027—13 h
Coyote Two Moon Ultras100 KMOjai, CAApr 30, 202716,431 ft26 h
Salt Flats100 KMWendover, UTApr 30, 2027—22 h
Wuyishan Trail Race100kmWuyishan City, ChinaMay 1, 202714,124 ft30 h
Desert Wolf100 KMJohnson City, TXMay 1, 20275,600 ft21 h
Vilnius Trail Run108kmVilnius, LithuaniaMay 1, 202711,811 ft20 h
Riga-Valmiera107kmRiga, LatviaMay 1, 20271,181 ft19 h
Miwok100 KM 2012+ Modern CourseStinson Beach, CAMay 1, 202711,000 ft19 h
Santa Clarita Trail Race100 KMSanta Clarita, CAMay 1, 202712,863 ft23 h
Sasquatch Shuffle TX100 KMGrapeland, TXMay 1, 2027—20 h
The Big Deal at Great Seal100 KMChillicothe, OHMay 1, 2027—34.5 h
Ultra Trail Du Temple100 kmSan Vito Lo Capo, ItalyMay 7, 202713,780 ft22 h
Dawn To Dusk To Dawn Track Ultras100 KMSharon Hill, PAMay 8, 2027—19 h
North Sea Ultra Sylt111kmKampen, GermanyMay 8, 2027689 ft16 h
Les Coursières des Hauts du Lyonnais - Trail des Coursières104kmSaint-Symphorien-sur-Coise, FranceMay 8, 202713,780 ft19.5 h
Chiltern Hills 100K100kmChesham, United KingdomMay 8, 20275,906 ft18 h
Epona 100 Miler100kmAbergavenny, United KingdomMay 8, 202710,000 ft30 h
Quicksilver100 KMSan Jose, CAMay 8, 202712,701 ft17 h
Traverse City Trail Running Festival100 KMTraverse City, MIMay 8, 20272,504 ft16 h
Ultra-Trail Australia by UTMB - UTA100100kmKatoomba, AustraliaMay 14, 202714,108 ft28 h
Trail Alsace Grand Est by UTMB - Ultra-Trail des Païens109kmOrschwiller, FranceMay 14, 202712,795 ft24 h
BTR Ultra100kmBangli, IndonesiaMay 14, 202722,802 ft19 h
Agape 100k +100 KMFuquay Varina, NCMay 15, 202712,000 ft—
Badlands Race Series100 KMBrighton, MIMay 15, 2027—19 h
Bishop High Sierra100 KMBishop, CAMay 15, 2027—19 h
Festa Trail Pic Saint-Loup - Hérault Trail105kmBrissac, FranceMay 15, 202714,764 ft28 h
Volvic Volcanic Expérience - Trail Terra Volcana105 kmVolvic, FranceMay 15, 20279,675 ft20.5 h
Possum's Revenge69 MilesGraford, TXMay 15, 20271,460 ft23 h
Ultratrail de la Ligne Rouge101kmThiescourt, FranceMay 16, 20274,265 ft17 h
Yatsugatake Nobeyama100kmNobeyama, JapanMay 16, 20276,562 ft14 h
Suffer on Centennial100kmWest Hawk Lake, CanadaMay 22, 20276,339 ft18 h
Girona RunThrough Trail100kmGirona, SpainMay 22, 20279,449 ft21 h
Fools 2-4-8 Hour Trail Run100 KMPeninsula, OHMay 22, 2027——
Le Grand Raid 73112 kmCruet, FranceMay 22, 202726,460 ft24.5 h
100 km del Passatore, Firenze-Faenza100kmFirenze, ItalyMay 22, 20274,265 ft20 h
Pigtails Challenge100 KMRenton, WAMay 22, 20275,400 ft19 h
Trail Festival at Pineland Farms100 KMNew Gloucester, MEMay 22, 2027—19 h
Mountain Ultra Trail by UTMB - MUT 6098kmGeorge, South AfricaMay 28, 202715,476 ft25 h
Blackfoot Ultra100kmCooking Blackfoot Lake, CanadaMay 29, 20274,003 ft14 h
Chesterfield Gorge Ultra100 KMWest Chesterfield, MAMay 29, 2027—19 h
adidas TERREX MaXi-Race100 kmAnnecy, FranceMay 29, 202717,881 ft24 h
La Maxi Race du Lac d'Annecy100kmAnnecy-le-Vieux, FranceMay 29, 202717,388 ft24 h
London 2 Brighton Challenge100kmRichmond, United KingdomMay 29, 20274,921 ft33 h
Iron Will Backroads100 KMEnterprise, KSMay 29, 2027—19 h
Tamba 100 Adventure Trail103kmTamba, JapanMay 29, 202713,123 ft43 h
GEOJE101 kmgeojesi, South KoreaMay 29, 202716,759 ft28 h
West Virginia Trail Fest100 KMSnowshoe, WVMay 29, 202712,000 ft20 h
Yankee Springs Trail Run100 KMMiddleville, MIMay 29, 2027—19 h
High Hope Endurance Run100 KMGlen Rose, TXMay 30, 20272,148 ft37 h
MoMoFo100100 KMMartinsville, INJun 4, 20278,500 ft20 h
Eagle Up Ultra100 KMCanal Fulton, OHJun 5, 2027—24 h
Peura Trail102kmReisjärvi, FinlandJun 5, 20272,953 ft23 h
The Great Divide Ultra 100K100KDivide, COJun 5, 20278,500 ft22 h
Okushinano 100100kmNagano Pref., JapanJun 5, 202715,354 ft21 h
Lake to Ocean 100K100 KMPort Mayaka, FLJun 5, 2027—18 h
Lumberjack Endurance Runs100 KMPort Gamble, WAJun 5, 2027—19 h
Malibu Canyon Trail Races100 KMMalibu, CAJun 5, 202710,446 ft17.5 h
Rabid Raccoon 100 km100 KMBeaver Falls, PAJun 5, 20279,543 ft33 h
Weld Your Mettle Running Festival100 KMWindsor, COJun 5, 2027—24 h
Worlds End Ultramarathons100 KMForksville, PAJun 5, 202711,158 ft19 h
Lake Toba by UTMB - Ultimate Expedition104.5kmPangururan, IndonesiaJun 10, 202713,796 ft30 h
Trail 100 Andorra by UTMB - Trail105kmOrdino, AndorraJun 11, 202722,638 ft34 h
THE MARY VALLEY ULTRA112 kmImbil, AustraliaJun 11, 202714,823 ft27 h
Ultra-trail du Puy Mary Aurillac (UTPMA)112kmAurillac, FranceJun 11, 202718,045 ft27 h
Dolomiti Extreme Trail103kmVal di Zoldo, ItalyJun 11, 202721,325 ft30 h
Cool Moon Trail Runs100 KMCool, CAJun 12, 20279,000 ft19 h
Les Trails de la Factrice - La Bête Noire du Caroux110kmRoquebrun, FranceJun 12, 202720,669 ft34 h
Trail of the Kings - Lake Toba by UTMB101 kmWaterfront City pangururan, IndonesiaJun 12, 202712,936 ft30 h
Woodbooger 100100 KMNorton, VAJun 12, 2027—19 h
Hida Takayama 100 km Ultramarathon100kmTakayama, JapanJun 13, 20273,937 ft14 h
Zugspitz Ultratrail 100mi, ZUT100104 kmGarmisch-Partenkirchen, GermanyJun 17, 202716,864 ft27 h
Zugspitz Ultratrail 100mi, ZUT100UltratrailGarmisch-Partenkirchen, GermanyJun 17, 202717,323 ft27 h
Six Days In the Dome-WI100 KMMilwaukee, WIJun 17, 2027—19 h
Orange Curtain100 KMCerritos, CAJun 18, 2027—19 h
Zugspitz Leutasch Trail107kmLeutasch-Weidach, AustriaJun 19, 202717,323 ft27 h
Jurassic Extinction 105mi Ultra104 kmPoole, United KingdomJun 19, 20278,858 ft24 h
North Yorks Challenge100 kmScarborough, United KingdomJun 19, 20273,281 ft24 h
Race to the King103 kmGoodwood, United KingdomJun 19, 20274,888 ft30 h
Great New York Running Exposition100 KMNew York, NYJun 19, 2027—19 h
Night Train100 KMFarmville, VAJun 19, 2027—19 h
Ring the Springs 100K100KColorado Springs, COJun 19, 202711,000 ft22 h
River of No Return Endurance Run108 KMChallis, IDJun 19, 202717,000 ft22 h
Strawberry Fields Forever100 KMNorth Bonneville, WAJun 19, 2027—19 h
The Longest Light100 KMSpokane, WAJun 19, 2027—24 h
Tuscazoar Raw100 KMDover, OHJun 19, 202710,500 ft20 h
Jurassic Coast 50km Ultra100kmLyme Regis, United KingdomJun 20, 20279,514 ft25 h
Torrencial Chile by UTMB - OncolPILOLCURA 100K Punucapa, ChileJun 24, 202713,451 ft22 h
Torrencial Chile by UTMB - Oncol108 kmPunucapa, ChileJun 24, 202713,173 ft22 h
Raid 100 Golfe du Morbihan103kmSaint-Gildas-de-Rhuys, FranceJun 24, 20272,657 ft20 h
The Yeti Endurance Run-Washington100 KMNorth Bend, WAJun 25, 2027—19 h
Ultra Trail Whistler by UTMB100KCreekside Plaza, CanadaJun 26, 202716,732 ft24 h
Torrencial Chile by UTMB - Pilolcura 100K100kmPunucapa, ChileJun 26, 202711,594 ft19 h
Val d'Aran by UTMB - VDA (Torn dera Val d'Aran)110 kmVielha, SpainJul 2, 202720,997 ft28 h
Serpent Trail Race100kmPetersfield, United KingdomJul 3, 20275,856 ft18 h
Val d'Aran by UTMB - PDA (Peades d'Aigua)Camins d'Hèr - CDHSalardu, SpainJul 7, 202720,997 ft28 h
Val d'Aran by UTMB - CDH (Camins d'Hèr)110kmLes, SpainJul 9, 202720,997 ft28 h
Ultra-Trail Gower Peninsula100 kmLlanrhidian, United KingdomJul 9, 20276,414 ft24 h
Silverheels 100K100KComo, COJul 9, 202711,000 ft24 h
Beaverhead Endurance Runs100 KMSalmon, IDJul 10, 202712,700 ft19 h
Race to the Stones 100km Non-Stop100kmLewknor, United KingdomJul 10, 20273,704 ft28 h
St. Cuthbert's Way 100 km Ultra100kmMelrose, United KingdomJul 10, 20278,061 ft19 h
Ironstone 100K100 KMHollidaysburg, PAJul 10, 20277,174 ft23 h
Siskiyou Out Back100 KMAshland, ORJul 10, 202711,925 ft17 h
Vero Beach Octopus Ultra100 KMVero Beach, FLJul 10, 2027—19 h
Eiger Ultra Trail101kmGrindelwald, SwitzerlandJul 14, 202721,982 ft25 h
NUTS Ylläs Pallas 160km Trail Ultra100kmEnontekiö Hetta, FinlandJul 16, 20277,874 ft24 h
Vermont 100100 KMBrownsville, VTJul 16, 20279,000 ft25 h
Big Butts100 KMJackson, MSJul 17, 20271,360 ft14 h
Rise in the Pines100 KMSmithville, TXJul 17, 20276,500 ft33.5 h
Tahoe Rim Trail100 KMCarson City, NVJul 17, 202712,800 ft24 h
OSJ Ontake 100km Ultra Trail99.5kmOtaki, JapanJul 18, 202711,138 ft20 h
Ultra Trail Racing Madagascar100 kmAmporaha, MadagascarJul 23, 20279,196 ft36 h
Beacons Way Ultra 10062miAbergavenny, United KingdomJul 24, 202710,400 ft24 h
South West Coast 50 Challenge100 kmDunster, United KingdomJul 24, 20277,021 ft24 h
Lost Sierra Endurance Race100 KMDownieville, CAJul 24, 202710,780 ft20 h
Never Summer 100K100KGould, COJul 24, 202714,500 ft24 h
Súlur Vertical - Gyðjan 100km100kmGodafoss, IcelandJul 30, 202712,861 ft22 h
Badger Trail Races by Ten Junk Miles Racing100 KMBelleville, WIJul 31, 20272,680 ft33 h
Tushars Mountain Runs 100K100KBeaver, UTJul 31, 202716,392 ft24 h
Under the Moon100 KMHilo, HIJul 31, 20277,500 ft19 h
Waldo 100K100 KMOakridge, ORJul 31, 202711,000 ft20.5 h
Fatdog 120103 kmCathedral Provincial Park, CanadaAug 6, 202712,618 ft26 h
Migrant Trail Race, Fushë Arrëz97 kmFushe-Arrez, AlbaniaAug 7, 202711,322 ft20 h
Fat Dog 40 Mile Trail Race100kmManning Park, CanadaAug 7, 202713,304 ft26 h
Swiss Alps 100100kmFiesch VS, SwitzerlandAug 7, 202720,505 ft27 h
In the Heat of the Night100 KMAnniston, ALAug 7, 2027596 ft19 h
Kat'cina Mosa 100K Mountain Run100 KMSpringville, UTAug 7, 202715,000 ft23.5 h
Challenge du Montcalm109 kmAuzat, FranceAug 13, 202737,730 ft55 h
Jigger Johnson 50M/100K/100M100 KMWaterville valley, NHAug 13, 202720,000 ft—
Baby Dragon100 KMBlairsville, GAAug 14, 2027—30 h
BAD DAWG Ultra Endurance Run100 KMDixon, MOAug 14, 20273,000 ft30.5 h
Foxton Hound Ultra104kmMarket Harborough, United KingdomAug 14, 20273,412 ft18 h
Speyside Way Ultra100kmAberlour, United KingdomAug 14, 20274,081 ft18 h
Olympic Mountains Trail Races100 KMQuilcene, WAAug 14, 202714,200 ft21 h
Run the Borders109kmMelrose, United KingdomAug 21, 20276,234 ft20 h
Green Lakes Endurance Runs100 KMFayetteville, NYAug 21, 20274,500 ft15 h
Habanero Hundred100 KMCat Spring, TXAug 21, 20272,170 ft30 h
Shawnee Hills Trail Races100 KMOzark, ILAug 21, 20276,400 ft32 h
Telluride Mountain Run 65 Mile65 MileTelluride, COAug 21, 202722,500 ft32 h
Twisted Branch Trail Run100 KMNaples, NYAug 21, 20279,783 ft20 h
Courmayeur-Champex-Chamonix (CCC)101kmCourmayeur, ItalyAug 27, 202719,849 ft30 h
Run-de-Vous100 KMSan Martin, CAAug 27, 2027—19 h
Midwest States 50100 KMWestboro, WIAug 28, 20274,782 ft28 h
The Kerry Way Ultra100 kmKillarney, IrelandSep 3, 20277,910 ft24 h
Booneville Backroads Ultra100 KMBooneville, IASep 4, 20273,839 ft18 h
Dark Divide100 KMRandle, WASep 4, 202716,500 ft21 h
À la Conquête des Avaloirs110kmPré-en-Pail-Saint-Samson, FranceSep 4, 20276,890 ft30 h
Ultra Trail du Haut-Koenigsbourg103kmKintzheim, FranceSep 4, 202715,125 ft20.63 h
Malaysia Ultra-Trail by UTMB - MY5096.7kmTaiping, MalaysiaSep 4, 202716,043 ft32 h
Temptation 200 Ultras100 KMForest City, ILSep 4, 20273,200 ft28.5 h
Wildcat 100 - Race100 KMPensacola, FLSep 4, 20271,550 ft40 h
TOR100 - Cervino-Monte BiancoTOR100 - Cervino-Monte BiancoCourmayeur, ItalySep 10, 202726,247 ft40 h
Surf Coast Century100kmAnglesea, AustraliaSep 11, 20275,728 ft20 h
RUN Winschoten100kmWinschoten, NetherlandsSep 11, 20270 ft12 h
Trail Côte d'Opale109 kmWimereux, FranceSep 12, 20275,804 ft20 h
Kaukopartio Juoksu 100km100kmMiehikkälä, FinlandSep 17, 20274,232 ft21 h
Peak District Challenge - Gold Ultra100kmHathersage, United KingdomSep 17, 202710,827 ft24 h
Black Forest Ultra Trail Run 76102kmKirchzarten, GermanySep 18, 202716,142 ft16 h
Madrid-Segovia101 kmMadrid, SpainSep 18, 20276,660 ft18 h
Triple Trail100kmLinton, United KingdomSep 18, 20275,433 ft18 h
The Great Escape103.6kmClervaux, LuxembourgSep 18, 20278,202 ft22 h
Tango 100 km Ultramarathon100kmKyotango, JapanSep 19, 20274,548 ft14 h
Les 100 km de Millau100kmMillau, FranceSep 25, 20273,609 ft18 h
Nice Côte d'Azur by UTMB111kmEze, FranceSep 25, 202716,903 ft30 h
Kat'cina Mosa 100K100KSpringville, UTOct 2, 202716,000 ft23 h