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Qualifying Races

We update the list of qualifying races once a year each September. We welcome corrections of factual errors at anytime. While every effort is made to ensure that this information is current, complete and accurate, WS cannot be held responsible for any loss, injury, claim, liability, or damage related to your reliance thereon. WS reserves the right to determine all WS qualifiers. For more information on our criteria for choosing qualifying races click here

2027 Race Lottery

An event that is not on the list cannot be used as a qualifier.

We do not allow virtual events to be used as qualifiers.

Please see our Entry Process page for more details.

Events below are official qualifiers for the 2027 Western States Endurance Run. The 2027 qualifying run must be run from Monday November 3, 2025 through Sunday November 8, 2026.
Run NameDistanceState/CountryMonthYearTimeNotes
Angeles Crest100MCalifornia8202636 hours
Arc of Attrition by UTMB100MEngland1202636 hours
Arkansas Traveller100MArkansas10202630 hours
Aso Volcano Trail115kmJapan5202628 hours
Autumn100MEngland10202628 hours
Beacons Way Ultra 100km100kmWales7202621 hoursnew
Beacons Way Ultra 100 Mile100MWales7202640 hoursnew
Bear, The100MUtah9202636 hours
Beaverhead 100kmIdaho/Montana7202620 hours
Bigfoot 200206MWashington82026100 hours
Bighorn100MWyoming6202635 hours
Black Canyon100kmArizona2202617 hours
Blackall 100k100kmAustralia10202618 hours
Borneo Ultra-Trail Marathon106kmMalaysia2202636 hours
Brazil 135150MBrazil1202670 hours
Brazil 135135MBrazil1202660 hours
Brazil 135100MBrazil1202640 hours
Brazil 13580MBrazil1202632 hours
Brazos Bend100MTexas12202532 hours
Buffalo Stampede 100k100kmAustralia3202623 hours
Burning River100MOhio7202630 hours
C&O Canal 100 100MMaryland4202630 hours
Cameron Ultra-Trail100kmMalaysia7202628 hours
Canadian Death Race118kmCanada8202624 hours
Canal Corridor100MOhio10202630 hours
Canyons by UTMB104kmCalifornia4202620 hours
Canyons by UTMB100MCalifornia4202635 hours
Cascade Crest100MWashington7202634 hours
Chester Ultra 100100MEngland4202632 hoursnew
Chianti Castles by UTMB120kmItaly3202624 hours
Cocodona250MArizona52026125 hours
Courmayeur Champex Chamonix (CCC)100kmItaly8202625 hours
Crazy Mountain100MMontana7202636 hours
Cruel Jewel106MGeorgia5202648 hours
Cuyamaca100kmCalifornia10202617 hours
Desert RATS by UTMB100kmColorado4202618 hours
Dinosaur Valley100kmTexas11202522 hours
Dinosaur Valley100MTexas11202535 hours
DL 100106kmChina5202626 hours
Eastern States100MPennsylvania8202636 hours
Eiger Ultra Trail by UTMB101kmSwitzerland7202622 hours
Eiger Ultra Trail by UTMB250kmSwitzerland7202690 hours
Endurance Trail des Templiers105kmFrance10202619 hours
Fat Dog120MCanada8202648 hours
Fat Dog100kmCanada8202622 hours
Formosa Trail104kmTaiwan11202528 hours
Fun Trails Chichibu & Okumusashi105kmJapan11202530 hours
Fun Trails Chichibu & Okumusashi100MJapan11202532 hours
Georgia Death Race74MGeorgia3202624 hours
Golden Ring100kmRussia7202618 hours
Gorge Waterfalls100kmOregon4202617 hours
Gran Trail Courmayeur100kmItaly7202628 hours
Gran Trail Peñalara110kmSpain10202625 hours
Grand Raid La Reunion162kmReunion10202650 hours
Grand Raid des Pyrénées - Tour de Cirques123kmFrance8202640 hours
Grand Raid des Pyrénées - Ultra 160160kmFrance8202648 hours
Grand Raid Ventoux by UTMB124kmFrance4202626 hours
Grand Trail des Lacs et Châteaux165kmBelgium5202640 hours
Great Wall by UTMB103kmChina5202622 hoursnew
Grindstone by UTMB100MVirginia9202636 hours
Grindstone by UTMB100kmVirginia9202618 hours
Grossglockner Ultra-Trail110kmAustria7202628 hours
Guzzler Ultra100kmAustralia7202624 hours
Hallucination (Run Woodstock)100MMichigan9202630 hours
Hardcore Ultra Trail (HUT)100MPhilippines5202644 hours
Hardrock100MColorado7202648 hours
Hellbender100MNorth Carolina5202640 hours
Hellgate100kmVirginia12202518 hours
Hennepin100MIllinois10202630 hours
High Lonesome100MColorado7202637 hours
HOKA Bandera100kmTexas1202618 hours
HOKA Chiang Mai Thailand by UTMB Chiang Dao 160162kmThailand12202548 hours
Hong Kong 100100kmHong Kong1202623 hours
Hood Hundred100MOregon7202634 hours
HURT100MHawaii1202636 hours
IMTUF100MIdaho9202636 hours
Indiana100MIndiana10202630 hours
Istria by UTMB110kmCroatia4202624 hours
Istria by UTMB168kmCroatia4202646 hours
Javelina Jundred100MArizona10202630 hours
Javornicka 100105kmSlovakia10202624 hours
Julian Alps Trail Run by UTMB120kmSlovenia9202626 hours
Kaga Spa Trail by UTMB105kmJapan6202626 hoursnew
Karkloof100MSouth Africa9202636 hours
Kerry Way Ultra101kmIreland9202620 hours
Kerry Way Ultra193kmIreland9202640 hours
Kettle Moraine100MWisconsin6202630 hours
Kierat100kmPoland5202627 hours
Kodiak Ultra Marathons by UTMB100MCalifornia10202636 hours
Kodiak Ultra Marathons by UTMB100kmCalifornia10202619 hours
Kosciusko by UTMB100kmAustralia12202520 hours
Kosciusko by UTMB100MAustralia12202536 hours
Krakonosova Stovka100kmCzech Republic6202622 hours
Kullamannen by UTMB100MSweden11202632 hours
La H.O.T. du Père Noël 133kmFrance12202525 hours
La Mision120kmArgentina2202645 hours
La Mision160kmArgentina2202672 hours
La Mision200kmArgentina2202675 hours
Lake Biwa 100100MJapan10202652 hours
Lakeland100MEngland7202640 hours
Lake Zuri Endurance Run106kmSwitzerland3202618 hours
Laurel Highlands70.5MPennsylvania6202620 hours
Lavaredo Ultra Trail by UTMB120kmItaly6202626 hours
Leadville Trail100MColorado8202630 hours
Łemkowyna Ultra-Trail150kmPoland10202635 hours
Leona Divide100kmCalifornia4202620 hours
Leona Divide100MCalifornia4202633 hours
Les Coursières des Hauts du Lyonnais111kmFrance5202620 hours
Letecka Stovka104kmSlovakia3202621 hours
Long Haul100MFlorida1202630 hours
Lost Soul Ultra100kmCanada9202621 hours
Lost Soul Ultra100MCanada9202633 hours
Madeira Island Ultra-Trail 110kmPortugal4202629 hours
Malaysia Ultra Trail by UTMB100kmMalaysia 9202526 hours
Mallorca by UTMB: Camins de pedra seca (CPS)102kmSpain11202618 hours
Mallorca by UTMB: Serra de Tramuntana (SDT)135kmSpain10202630 hours
Malnad Ultra100kmIndia11202521 hours
Mamba 100100MTennessee11202534 hours
Massanutten100MVirginia5202636 hours
Miwok100kmCalifornia5202615:30:59 hours
Moab238MUtah102026108 hours
Mogollon Monster100MArizona9202638 hoursnew
Mohican100MOhio5202632 hours
Monte Rosa WalserWaeg by UTMB - LSV122kmItaly7202636 hoursnew
Mount Yun by UTMB - UMY159.6kmChina4202648 hours
Mountain Lakes100MOregon9202630 hours
Mozart 100 by UTMB120kmAustria5202623 hours
Mt. Fuji 100100MJapan4202646 hours
MUSPO 100100kmPhilippines7202624 hours
Never Summer100kmColorado7202624 hours
Nice Côte d'Azur by UTMB107kmFrance9202628 hours
Nice Côte d'Azur by UTMB159kmFrance9202648 hours
Nike ACG Ultra-Trail Chongli168kmChina7202648 hours
Nike ACG Ultra-Trail Chongli100kmChina7202624 hours
Ninghai Ultra Trail109kmChina10202624 hours
No Business100MTennessee10202634 hours
North Downs Way100MEngland8202630 hours
Nuts Ylläs Pallas100kmFinland7202622 hours
Nuts Ylläs Pallas160kmFinland7202635 hours
Nuts Ylläs Pallas327kmFinland72026100 hours
Okushinano100kmJapan6202621 hours
Oregon Cascades100MOregon8202632:01:18
OSJ Ontake100kmJapan7202620 hours
OSJ Ontake100MJapan7202624 hours
Paraty Brazil by UTMB108kmBrazil9202626 hours
Patagonia Run110kmArgentina4202627 hours
Patagonia Run100MArgentina4202642 hours
Penyagolosa106kmSpain4202626 hours
Pinhoti100MAlabama11202632 hours
Pong Yaeng Trail 160kmThailand10202648 hours
Pong Yaeng Trail 100kmThailand10202631 hours
Quebec Mega Trail 135kmCanada7202632 hours
Quicksilver100kmCalifornia5202617 hours
Rabid Raccoon100M
Pennsylvania5202636 hours
Rabid Raccoon100kmPennsylvania5202622 hours
Restonica Trail by UTMB - Ultra-Trail® di Corsica110kmFrance7202636 hours
Rim to River100MWest Virginia10202632 hours
Rio Del Lago100MCalifornia11202630 hours
Rocky Raccoon 100 by USWE100MTexas2202630 hours
Run Rabbit Run100MColorado9202636 hours
Saddles 100100MArizona10202634 hours
Salomon Cappadocia Ultra-Trail119kmTurkey10202623 hours
Salomon Ultra-Trail Hungary112kmHungary5202620 hours
San Diego100MCalifornia6202632 hours
Scott TMBT109kmMalaysia9202630 hours
Sean O'Brien100kmCalifornia2202617 hours
Sedona Canyons 125125MArizona5202652 hours
Shinetsu Five Mountains Trail110kmJapan9202622 hours
Shinetsu Five Mountains Trail100MJapan9202633 hours
Siskiyou Out Back100kmOregon7202618 hours
SkyRun100kmSouth Africa11202528 hours
SkyView Trail110kmJapan9202630 hours
SkyView Trail138kmJapan9202638 hours
Soria Moria til Verdens Ende (SMVE)100MNorway5202635 hours
South Downs Way100MEngland6202630 hours
Sulphur Springs100kmCanada5202618 hours
Sulphur Springs100MCanada5202630 hours
Superior Fall 100100MMinnesota9202638 hours
Surf Coast Century100kmAustralia9202617 hours
Swiss Alps100kmSwitzerland8202625 hours
Swiss Alps100MSwitzerland8202650 hours
Swiss Canyon Trail 111kmSwitzerland6202624 hours
Swiss Canyon Trail 100MSwitzerland6202644 hours
SwissPeaks100kmSwitzerland9202628 hours
SwissPeaks170kmSwitzerland9202658 hours
SwissPeaks360kmSwitzerland92026156 hours
SwissPeaks700kmSwitzerland9202610 days
Tahoe 200202MCalifornia62026100 hours
Tahoe Rim Trail100MNevada7202636 hours
Tahoe Rim Trail100kmNevada7202620 hours
Tarawera by UTMB102kmNew Zealand2202617 hours
Tarawera by UTMB100MNew Zealand2202636 hours
Taupo100kmNew Zealand10202617 hours
TDS (Sur les Traces des Ducs de Savoie)147kmItaly8202644:10 hours
Tenerife Bluetrail by UTMB110 kmSpain6202626 hours
TERREX Lake Sonoma 100k 100kmCalifornia4202619 hours
Thames Path 100100MEngland4202630 hours
TOR100 - Cervino-Monte Bianco100kmItaly9202638 hours
TOR130 - Tot Dret130kmItaly9202644 hours
TOR330 - Tor de Géants330kmItaly92026132 hours
Trail 100 Andorra by UTMB105kmAndorra6202630 hours
Trail Alsace Grand Est by UTMB - Ultra-Trail des Chevaliers158kmFrance5202637 hours
Trail Alsace Grand Est by UTMB - Ultra-Trail des Païens 109kmFrance5202621 hours
Trail de Conímbriga Terras de Sicó111kmPortugal2202624 hours
Trail de Conímbriga Terras de Sicó111MPortugal2202642 hours
Trail des Gombak100kmMalaysia6202630 hours
Trail du Saint-Jacques by UTMB130kmFrance6202628 hours
Trail Verbier St Bernard by UTMB140kmSwitzerland7202640 hours
Transgrancanaria125kmCanary Islands2202628 hours
Transjeju by UTMB107kmSouth Korea10202625 hours
Transjeju by UTMB150kmSouth Korea10202637 hours
TransLantau by UTMB120kmHong Kong11202536 hours
Tunnel Hill100MIllinois11202530 hours
Tuscany Crossing103kmItaly4202621 hours
Tuscany Crossing160kmItaly4202635 hours
Twisted Branch100kmNew York8202620 hours
Ulju Trail Nine Peaks128kmSouth Korea10202640 hours
Ultra Tour Monte Rosa170kmSwitzerland9202660 hours
Ultra Trail Amanecer Comechingón120kmArgentia10202632 hours
Ultra Trail Amanecer Comechingón100kmArgentia10202626 hours
Ultra Trail do Marão120kmPortugal3202632 hours
Ultra Trail Drakensberg100kmSouth Africa4202623 hours
Ultra Trail Drakensberg163kmSouth Africa4202648 hours
Ultra Trail Lago d'Orta100kmItaly10202624 hours
Ultra Trail Sierras del Bandolero166kmSpain3202640 hours
Ultra Trail Vipava Valley106kmSlovenia5202625 hours
Ultra Trail Vipava Valley165kmSlovenia5202646 hours
Ultra-Trail Australia by UTMB100kmAustralia5202619 hours
Ultra-Trail Australia by UTMB100MAustralia5202644:30 hours
Ultra Trail Cape Town100kmSouth Africa11202521 hours
Ultra Trail Cape Town100MSouth Africa11202545 hours
Ultra Trail Du Mont-Blanc (UTMB)100MFrance8202646:30
Ultra Trail Harricana125kmCanada9202626 hours
Ultra Trail Snowdonia by UTMB100kmWales5202628 hours
Ultra Trail Snowdonia by UTMB165kmNorth Wales5202648 hours
Umstead100MNorth Carolina4202630 hours
Val d’Aran by UTMB, Camins de Hèr110kmSpain7202626 hours
Val d’Aran by UTMB, Torn dera Val d’Aran168kmSpain7202636 hours
Valhöll Fin del Mundo by UTMB 131kmArgentina3202630 hours
Valleys Ultra (7)110kmEngland 9202625 hours
Valleys Ultra (13)180kmEngland
9202646.5 hours
Vermont100MVermont7202630 hours
Vermont100kmVermont7202617 hours
Vietnam Mountain Marathon100kmVietnam9202627 hours
Vietnam Mountain Marathon100MVietnam9202644 hours
Vulcano Ultra Trail100kmChile12202524 hours
Waldo100kmOregon8202618 hours
Wasatch Front100MUtah9202636 hours
West Highland Way95MScotland6202630 hours
Western States100MCalifornia6202630 hours
Wildstrubel by UTMB110kmSwitzerland9202627 hours
Whistler by UTMB100kmCanada9202624 hoursnew
Worlds End100kmPennsylvania6202619 hours
Xiamen by UTMB104kmChina3202624 hoursnew
Yeti100MVirginia9202630 hours
Zion100kmUtah4202620 hours
Zion100MUtah4202636 hours
Zugspitz106kmGermany6202625 hours
Zugspitz100MGermany6202648 hours