Road and trail, worldwide
50-mile and 100K races
221 racesupcoming
There are 221 upcoming 50-mile and 100K races on the calendar, from September 2026 to September 2027. The next is Crested Butte Ultra in Crested Butte, CO on September 26, 2026. The most climbing is at Fun Trails Chichibu & Okumusashi: 27,234 ft (8,301 m).
From just over 60 km to 110 km: 50-milers, 100Ks and everything between.
September 2026
- Crested Butte Ultra50 MileTrailCrested Butte, CO
- Dick Collins Firetrails100KTrailCastro Valley, CA
- Laurel Highlands Ultra - Fall Classic50 MileTrailSomerset, PA
- The Hungerford Trail Races50 MileTrailBig Rapids, MI
- Valleys Ultra (7)110KTrailConiston, Cumbria, England18,045 ft
- Farm to Farm Ultra50 MilerTrailFreeport, ME
October 2026
- Ultra Trail Lago d'Orta100KTrailOmegna, Italy16,404 ft
- Cuyamaca100KTrailJulian, CA9,369 ft
- DC Peaks 5050 MileTrailKaysville, UT
- Dana Peak Trail Run100KTrailHarker Heights, TX
- Fire Tower Trail Races100KTrailHinckley, MN
- Ninghai Ultra Trail109KTrailNinghai, Zhejiang, China16,358 ft
- The Bear Chase100KTrailLakewood, CO
- Transjeju by UTMB107KTrailSeogwipo, Jeju, South Korea13,123 ft
- Black Forest Ultra100KTrailNorth Bend, PA
- Gran Trail Peñalara110KTrailManzanares el Real, Madrid, Spain19,685 ft
- Break the Bank50 MileTrailDuluth, MN
- Des Plaines River Trail Races50 MileTrailLake County, IL
- Euchre Bar Massacre50 MilerTrailForesthill, CA
- Flagstaff Loop Trail45 MilerTrailFlagstaff, AZ
- Javornicka 100105KTrailMakov, Slovakia
- Mad Meadows 5050 MileTrailLeavenworth, WA
- MuleSkinner Endurance Races50 MilerTrailUpper Black Eddy, PA
- That's No Moon Trail Races50 MileTrailSilverado, CA
- The Land of Light 100k100KTrailNorway, ME
- Endurance Trail des Templiers105KTrailMillau, France15,420 ft
- Shake Your Trail Feather Trail Run100KTrailCharleston, IL
- Blackall 100k100KTrailBlackall Range, QLD, Australia11,040 ft
- Man Against Horse 50mi, 25mi, 1/2 Marathon50 MileTrailPrescott, AZ7,300 ft
- Taupo100KTrailTaupō, New Zealand6,562 ft
- Autumn Leaves 50M/50K/30K50 MilerTrailSt. Paul, OR
- Firewater Ultra100KTrailGreenback, TN
- Mujeres and Marigolds100KTrailSmithville, TX
- Fall Back into the Trails Series100KTrailLagrangeville, NY
- Mallorca by UTMB: Camins de pedra seca (CPS)102KTrailPalma de Mallorca, Spain16,404 ft
- The Next Loop: 50-Mile Challenge - New England50 MileTrailWrentham, MA
November 2026
- Cuesta X Trail100KTrailThailand
- Azalea 12/24 Hour50 MilerTrailPalatka, FL
- Ferris 5050 MilerTrailMinden, NV
- Great Eastern Endurance Run GEER40 MilerTrailLyndhurst, VA
- Kessel Run Ultra50 MileTrailFruita, CO
- Mountain Masochist Trail Run100KTrailMontebello, VA
- The Crunchwrap Crawl, 50K's of regret!42 Miles (the 8th Taco Bell!)TrailKennewick, WA
- Dead Horse Ultra50 MileTrailMoab, UT
- Fun Trails Chichibu & Okumusashi105KTrailChichibu, Saitama, Japan27,234 ft
- Looking Glass 100k100KTrailPisgah Forest, NC10,600 ft
- McNotagain Fall Trail Runs50 MilerTrailPekin, IL
- NYC Trail Mix50 MilerTrailStaten Island, NY
- Pass Mountain50 MileTrailMesa, AZ
- SkyRun100KTrailLady Grey, Eastern Cape, South Africa16,404 ft
- Colt 45 Trail Run60 MileTrailLakeland, FL
- Dinosaur Valley100KTrailGlen Rose, TX6,001 ft
- Formosa Trail104KTrailNantou County, Taiwan18,701 ft
- The Next Loop: 50-Mile Challenge, Lake Carl Blackwell, OK /Nov50 MileTrailStillwater, OK
- Ultra Trail Cape Town100KTrailCape Town, South Africa13,123 ft
- Kosciusko by UTMB100KTrailJindabyne, NSW, Australia14,764 ft
- Malnad Ultra100KTrailChikmagalur, Karnataka, India5,548 ft
December 2026
- ALQ Ultras Twelve Runs of Christmas ChallengeVirtual 48.5 MilerTrailMD
- Anza Borrego Cuyamaca 50 Mile Run50 MileTrailJulian, CA
- Cloudland Canyon 50 Mile/50K/25K/5 MIle50 MilerTrailRising Fawn, GA
- Colossal-Vail 50/5050 MilerTrailVail, AZ
- Freight Train 100k/50k100KTrailFarmville, VA
- McDowell Mountain Frenzy50 MileTrailFountain Hills, AZ
- Nature Coast 100k100KTrailChiefland, FL
- Ray Miller 50/5050 MileTrailMalibu, CA
- Hunter S. Thompson Fear & Loathing50 MilerTrailSan Francisco, CA
- PPTC Endurance Fest50 MilerTrailBrooklyn, NY
- Pine Mountain Trail Run40 MilerTrailPine Mountain, GA
- Vulcano Ultra Trail100KTrailPucón, Chile17,618 ft
- Hellgate100KTrailBig Island, VA11,001 ft
- Naughty Hog100KTrailValley View, TX
- Texmas Trail Race104KTrailSmithville, TX
- Lookout Mountain Trail Race50 MilerTrailLookout Mountain, GA
January 2027
- HOKA Bandera100KTrailBandera, TX7,999 ft
- Quest of the White Wolf50 MileTrailChimney Rock, NC
- St. Croix 40 Winter Ultra40 Miler SkiTrailHinckley, MN
- Cowboy YETI100KTrailBastrop, TX
- Hong Kong 100100KTrailSai Kung, Hong Kong, Hong Kong15,748 ft
- Monroe Cross Trail 50 Mile Ultra50 MileTrailDeBary, FL
- Southern Freeze 50/5050 MilerTrailColumbus, GA
- Texas Legend Series100KTrailMultiple Cities, TX
- AZT Oracle Rumble50 MileTrailOracle, AZ
- Arches Ultra50 MileTrailMoab, UT
February 2027
- Borneo Ultra-Trail Marathon106KTrailKota Kinabalu, Sabah, Malaysia
- Elephant Mountain50 MilerTrailCave Creek, AZ
- Jed Smith50 MilerTrailSacramento, CA
- Lake Ray Roberts 100K100KTrailPilot Point, TX
- North Texas Ultra100KTrailJacksboro, TX
- Rut Rogue 40s40 MilerTrailPlum Branch, SC
- Tarawera by UTMB102KTrailRotorua, New Zealand6,562 ft
- Black Canyon100KTrailMayer, AZ7,999 ft
- Goliath's 5050 MilerTrailMarble Falls, TX
- Happy Chinese New Year50 MilerTrailSAN DIEGO, CA
- Moab Red Hot Ultra50 MilerTrailMoab, UT
- Sean O'Brien100KTrailMalibu, CA16,246 ft
- SoCalUltraTrail at Tejon Ranch100KTrailLebec, CA
- Sycamore Canyon100KTrailPoway, CA
March 2027
- Letecka Stovka104KTrailSlovakia11,982 ft
- Lake Martin 50/5050 MilerTrailAlexander City, AL
- Naked Bavarian40 MilesTrailLeesport, PA
- Naked Mountain Ultra50 MilerTrailAlbemarle, NC
- Marin Ultra Challenge50 MilerTrailSausalito, CA
- Mesquite Canyon50 MilerTrailWaddell, AZ
- Bel Monte Endurance Races50 MilerTrailLyndhurst, VA
- Buffalo Stampede 100k100KTrailAustralia15,735 ft
- Chupacabra 5050 MilerTrailQuanah, TX
- Mount Mitchell Heartbreaker50 MilerTrailOld Fort, NC
- OPSF505050 MileTrailPoland, IN
- The MT. TAMMANY 1040 MilerTrailDelaware Water Gap, NJ
- Xiamen by UTMB104KTrailChina
April 2027
- Ultra Trail Drakensberg100KTrailSouth Africa11,155 ft
- Yubaneer50 MileTrailNevada City, CA
- Brazos Legend50 MileTrailWaco, TX
- Istria by UTMB110KTrailCroatia13,665 ft
- Lake Zuri Endurance Run106KTrailSwitzerland
- New River Trail Races100KTrailFries, VA
- Patagonia Run110KTrailArgentina
- Tenerife Bluetrail by UTMB110KTrailSpain20,505 ft
- Ancient Lakes Trail Run50 Miler SaturdayTrailQuincy, WA
- Desert Peak Ultra100KTrailOracle, AZ
- Desert RATS by UTMB100KTrailColorado8,953 ft
- JW Corbett Trail Races50 MilerTrailLoxahatchee, FL
- James River Trail Runs50 MilerTrailGladstone, VA
- Rim Runner Trail Races50 MilerTrailSewanee, TN
- TERREX Lake Sonoma 100k100KTrailCalifornia15,000 ft
- Zion100KTrailUtah10,482 ft
- Gorge Waterfalls100KTrailOregon16,670 ft
- Leona Divide100KTrailCalifornia10,095 ft
- Loud Thunder 5050 MilerTrailIllinois City, IL
- Outlands Endurance Races50 MilerTrailPilot Hill, CA
- Stillhouse 100K100KTrailSoddy Daisy, TN
- The "VUE"50 MilerTrailSedona, AZ
- Tuscany Crossing103KTrailItaly
- Whiskey Basin Trail Runs91KTrailPrescott, AZ
- Canyons by UTMB104KTrailCalifornia
- Childish Nonsense50 MileTrailPalatine, IL
- Penyagolosa106KTrailSpain
- Zane Grey Highline Trail Runs50miTrailPayson, AZ
- Jack Bristol Lake Waramaug Ultra Races100KTrailKent, CT
- Madeira Island Ultra-Trail110KTrailPortugal24,547 ft
May 2027
- DL 100106KTrailChina
- Desert Wolf100KTrailJohnson City, TX
- Heartland 5050 MilerTrailCassoday, KS
- Kierat100KTrailPoland
- Miwok100KTrailCalifornia11,503 ft
- Quicksilver100KTrailCalifornia13,209 ft
- Rise Sasquatch Shuffle100KTrailGrapeland, TX
- Sea to Sky100KTrailJenner, CA
- Serengeti Trail Races50 MilerTrailErda, UT
- The Tick57.5 MilerTrailAlexander springs Florida, FL
- Ultra Trail Vipava Valley106KTrailSlovenia14,108 ft
- Wild Wild West Marathon & Ultra50 MilerTrailLone Pine, CA2,999 ft
- Dirty German Endurance Fest50 MilerTrailPhiladelphia, PA
- Trail Alsace Grand Est by UTMB - Ultra-Trail des Païens109KTrailFrance
- Cruel Jewel 5050 MilerTrailBlue Ridge, GA
- Rim Rock 50 Mile Trail Challenge50 MileTrailNapa, CA
- Ultra Trail Snowdonia by UTMB100KTrailWales
- Ultra-Trail Australia by UTMB100KTrailAustralia
- Connor's Claims Ultra50 MilerTrailStockton, UT
- Salt Lake Foothills Trail Races50 MilesTrailSalt Lake City, UT
- Sugar Badger 50/50 and Half50 MilerTrailBelleville, WI
- Sulphur Springs100KTrailCanada1,276 ft
- The Freedom 5050 MilerTrailPuyallup, WA
- West Virginia Trail Fest100KTrailSnowshoe, WV
June 2027
- Okushinano100KTrailJapan18,307 ft
- Trail des Gombak100KTrailMalaysia
- Dam Yeti 5050 MilerTrailAbingdon, VA
- Lake to Ocean 100K100KTrailPort Mayaka , FL
- Malibu Canyon Trail Races100KTrailMalibu, CA
- Rose Canyon Ultra50 MilerTrailHerriman, UT
- Worlds End100KTrailPennsylvania12,402 ft
- OSS/CIA 50 Mile Night Run50 MilerTrailTriangle, VA
- Snow Peaks 50 Mile Trail Run50 MilerTrailProvo, UT
- Trail 100 Andorra by UTMB105KTrailAndorra22,310 ft
- Kaga Spa Trail by UTMB105KTrailJapan16,804 ft
- Krakonosova Stovka100KTrailCzech Republic13,612 ft
- Zugspitz106KTrailGermany17,323 ft
- Manitou’s Revenge53 MilerTrailWindham, NY
- Night Train 100K, 50k and Half Marathon100KTrailFarmville, VA
- Tahoe 100k100KTrailStateline, NV
- Night Howler 5050 MilerTrailHoover, AL
July 2027
- Beacons Way Ultra 100km100KTrailWales
- Beaverhead100KTrailIdaho/Montana12,700 ft
- Cameron Ultra-Trail100KTrailMalaysia
- Eiger Ultra Trail by UTMB101KTrailSwitzerland
- Golden Ring100KTrailRussia
- Gran Trail Courmayeur100KTrailItaly
- MUSPO 100100KTrailPhilippines
- Never Summer100KTrailColorado
- Nuts Ylläs Pallas100KTrailFinland
- OSJ Ontake100KTrailJapan
- Restonica Trail by UTMB - Ultra-Trail® di Corsica110KTrailFrance
- Val d’Aran by UTMB, Camins de Hèr110KTrailSpain21,381 ft
- Ironstone 100K Ultra100KTrailHollidaysburg, PA
- Siskiyou Out Back100KTrailOregon12,694 ft
- Guzzler Ultra100KTrailAustralia
- Grossglockner Ultra-Trail110KTrailAustria21,325 ft
- Pikes Peak Ultra50 MilerTrailColorado Springs, CO
- Wy’east Trailfest50 MilerTrailMt. Hood, OR
August 2027
- Courmayeur Champex Chamonix (CCC)100KTrailItaly
- Olympic Mountains 100k100KTrailWashington
- Swiss Alps100KTrailSwitzerland
- Twisted Branch100KTrailNew York
- Fjällmaraton 100k100KTrailSweden10,827 ft
- Waldo100KTrailOregon
- Whistler by UTMB100KTrailCanada
- In the Heat of the Night100KTrailAnniston, AL
- Southern Fried 50/5050 MilerTrailColumbus, GA
- Kachess Ridge 5050 MileTrailCle Elum, WA
- Baker Trail UltraChallenge50 MileTrailSummerville, PA
- Telluride Mountain Run65 MilerTrailTelluride, CO
September 2027
- SwissPeaks100KTrailSwitzerland
- Iron Mountain50 MilerTrailDamascus, VA
- Pinellas Trail Challenge46 MilerTrailSt. Petersburg, FL
- Scott TMBT109KTrailTambuyukon, Sabah, Malaysia
- Backbone Trail Ultra68 MileTrailSanta Monica Mountains, CA13,599 ft
- Gaspin Through The Aspens50 MileTrailAmerican fork, UT
- Hill to Hollow 100km100KTrailFabius, NY
- Surf Coast Century100KTrailAnglesea, Victoria, Australia5,906 ft
- Trails 4 Tails40 Mile UltraTrailHanover, PA
- Paraty Brazil by UTMB108KTrailParaty, Rio de Janeiro, Brazil15,912 ft
Browse races
By distance and kind
By place
- California 185
- Florida 99
- Texas 77
- North Carolina 74
- Georgia 73
- Pennsylvania 71
- Arizona 68
- Washington 63
- Virginia 57
- Utah 55
- Colorado 53
- Alabama 53
- Tennessee 45
- New York 41
- Illinois 33
- South Carolina 33
- Canada 28
- Wisconsin 27
- Connecticut 26
- Maryland 21
- Minnesota 21
- Oregon 20
- Michigan 19
- Vermont 16