USA Ultra Marathons in October

Upcoming races with ultra marathon distances in October across the USA. Use filters to quickly find races by state, city or race type.

More races:ย USA running calendar

Date RaceDistanceLocationhf:tax:statehf:tax:cityhf:tax:typerace
10/04/2025The Hennepin Hundred100M, 50K, 50MSterling ILillinoissterling-iltrail
10/04/2025The Naturalist25K, 50KFranklin NCnorth-carolinafranklin-nctrail
10/04/2025The Bull Mountain Epic13.1M, 50KDahlonega GAgeorgiadahlonega-gatrail
10/04/2025Bear Lake Ultra24HLapeer MImichiganlapeer-mitrail
10/04/2025Bear Chase Race – Half Marathon100K, 10K, 13.1M, 50K, 50MLakewood COcoloradolakewood-cotrail
10/04/2025Back On The Ranch Trail Run12H, 24H, 3H, 48H, 6HLos Olivos CAcalifornialos-olivos-catrail
10/04/2025Baker Lake 50K50KBaker Lake WAwashingtonbaker-lake-watrail
10/04/2025Fire Tower Trail Races100K, 11K, 35K, 50KHinckley MNminnesotahinckley-mntrail
10/04/2025Arches Marathon13.1M, 15K, 26.2M, 50KMoab UTutahmoab-uttrail
10/04/2025Tale of Two Trails10M, 20M, 40M, 50MShawnee KSkansasshawnee-kstrail
10/04/2025Perpetua Coast Trail13.1M, 20M, 50KYachats ORoregonyachats-ortrail
10/04/2025Hanging Flume 50K50KUravan COcoloradouravan-cotrail
10/04/2025DC Peaks 5025K, 50M, 55KKaysville UTutahkaysville-uttrail
10/04/2025Swiss Valley Trail Races25K, 5.2M, 50KPeosta IAiowapeosta-iatrail
10/04/2025Dana Peak Trail Run100K, 10K, 20K, 50KHarker Heights TXtexasharker-heights-txtrail
10/04/2025Above the Clouds Ultra10K, 50KWoodland Park COcoloradowoodland-park-cotrail
10/04/2025Arkansas Traveller 100100MPerryville ARarkansasperryville-artrail
10/04/2025Whitefish Trail Blazer10K, 13.1M, 50K, 5KWhitefish MTmontanawhitefish-mttrail
10/04/2025Legends Never Die Marathon13.1M, 55KKetchum IDidahoketchum-idtrail
10/05/2025NipMuck Trail Marathon26.2MAshford CTconnecticutashford-cttrail
10/05/2025Blues Cruise Ultra50KReading PApennsylvaniareading-patrail
10/10/2025Tesla Hertz Run100K, 100M, 10M, 150M, 50K, 50MRocky Point NYnew-yorkrocky-point-nytrail
10/10/2025Moab 240 Endurance Run240MMoab UTutahmoab-uttrail
10/11/2025Angel’s Rest10K, 20M, 50KCascade Locks ORoregoncascade-locks-ortrail
10/11/2025Cave Creek Thriller11K, 24K, 50K, 5KCave Creek AZarizonacave-creek-aztrail
10/11/2025Arrowhead Endurance Run12H, 24H, 3H, 6HJohnston City ILillinoisjohnston-city-iltrail
10/11/2025Shawnee Trail Runs13.1M, 50K, 50MWest Portsmouth OHohiowest-portsmouth-ohtrail
10/11/2025Midstate Massive Ultra Trail100M, 30M, 50MNew Ipswitch NHnew-hampshirenew-ipswitch-nhtrail
10/11/2025Blue Ridge Ultra15K, 30K, 50KBlue Ridge GAgeorgiablue-ridge-gatrail
10/11/2025Sasquatch Shuffle20K, 30K, 50KMcCall IDidahomccall-idtrail
10/11/2025Farmdale Trail Run100M, 10K, 13.1M, 30M, 50MEast Peoria ILillinoiseast-peoria-iltrail
10/11/2025Bizz Johnson 50K10K, 13.1M, 26.2M, 50KSusanville CAcaliforniasusanville-catrail
10/11/2025Devil’s Den Ultra12H, 30H, 6MBradford VTvermontbradford-vttrail
10/11/2025Hainesport Endurance Run100M, 12H, 24H, 48HHainesport NJnew-jerseyhainesport-njroadrace
10/11/2025Le Grizz10K, 50M, 5KPolebridge MTmontanapolebridge-mttrail
10/11/2025Des Plaines River Trail Races13.1M, 26.2M, 50K, 50MLincolnshire ILillinoislincolnshire-iltrail
10/11/2025Mt. Umunhum Trail Conquest13.1M, 26.2M, 30K, 50K, 5K, 7MSan Jose CAcaliforniasan-jose-catrail
10/11/2025Canyon De Chelly Ultra55KNavajo Reservation AZarizonanavajo-reservation-aztrail
10/11/2025Rock Bridge Revenge25K, 50KColumbia MOmissouricolumbia-motrail
10/11/2025Sage Burner Trail Race15K, 28K, 50KGunnison COcoloradogunnison-cotrail
10/11/2025Cape Fear 24 Hour24HLillington NCnorth-carolinalillington-ncroadrace
10/11/2025Rogue Gorge Half Marathon12K, 13.1M, 50KUnion Creek ORoregonunion-creek-ortrail
10/11/2025Forbidden Forest 30 Hour Ultra Run30HStratford CTconnecticutstratford-cttrail
10/12/2025Green Monster Trail Challenge15K, 25K, 50KWellsboro PApennsylvaniawellsboro-patrail
10/12/2025The Dawnland 100K100KNorway MEmainenorway-metrail
10/17/2025Chattanooga Mountains Stage Race60MChattanooga TNtennesseechattanooga-tntrail
10/18/2025Pumpkin Holler Hunnerd100K, 100M, 10M, 25K, 50KTahlequah OKoklahomatahlequah-oktrail
10/18/2025Tecumseh Trail Challenge13.1M, 26.2M, 50K, 8MBloomington INindianabloomington-intrail
10/18/2025Wild Duluth Races100K, 10K, 13.1M, 50KDuluth MNminnesotaduluth-mntrail
10/18/2025Rogue Gorge Trail12K, 13.1M, 50K, 50MUnion Creek ORoregonunion-creek-ortrail
10/18/2025Indian Creek Fifties15M, 50M, 55K, 5MSedalia COcoloradosedalia-cotrail
10/18/2025Indian Creek Trail Runs15M, 50M, 55K, 5MSedalia COcoloradosedalia-cotrail
10/18/2025Ghost Train Trail Races15M, 30H, 30MBrookline NHnew-hampshirebrookline-nhtrail
10/18/2025The New Orleans Ultramarathon and Half13.1M, 50K, 50MNew Orleans LAlouisiananew-orleans-laroadrace
10/19/2025City to Sky25K, 50KMissoula MTmontanamissoula-mttrail
10/25/2025Lake Murray Endurance Run100K, 100M, 25K, 50K, 5MArdmore OKoklahomaardmore-oktrail
10/25/2025Day of the Dead Series Marathon and Half Marathon10K, 13.1M, 26.2M, 50K, 5KLas Cruces NMnew-mexicolas-cruces-nmroadrace
10/25/2025Rim to River 100100MNew River Gorge WVwest-virginianew-river-gorge-wvtrail
10/25/2025Bridge Burner Ultra10K, 35K, 35M, 50KCaรฑon City COcoloradocanon-city-cotrail
10/25/2025Yippee-Ki-Yay 50K10K, 13.1M, 50KCouncil Bluffs IAiowacouncil-bluffs-iaroadrace
10/25/2025Sadlers Creek Stumble10K, 13.1M, 26.2M, 32HAnderson SCsouth-carolinaanderson-sctrail
10/25/2025Canyonlands Ultra100K, 13.1M, 15K, 26.2M, 50K, 50MMoab UTutahmoab-uttrail
10/25/2025Range of Light Trail Races10K, 33K, 50K, 5KBishop CAcaliforniabishop-catrail
10/25/2025Trail of Terror10K, 13.1M, 26.2M, 50K, 5KLas Vegas NVnevadalas-vegas-nvtrail
10/25/2025Kansas Rails-to-Trails Extravaganza100K, 100M, 13.1M, 26.2M, 50K, 50M, 5MOttawa KSkansasottawa-kstrail
10/25/2025Javelina Jundred100K, 100MFountain Hills AZarizonafountain-hills-aztrail
10/25/2025Hot Mess Trail Races13.1M, 6HPittsgrove NJnew-jerseypittsgrove-njtrail
10/31/2025Stony Creek Marathon13.1M, 26.2M, 50K, 5K, 7MUtica MImichiganutica-miroadrace

Choose your favorite distance and save the calendar for later: Half Marathons, Marathons, Ultra Marathons, 5K, 10K, 50K, 50M, 100K, 100M

October Race Calendars:

All Races 5K Races
10K Races Half Marathons
Marathons Trail Races
50K Races 50 Miles Races
100K Races 100 Miles Races

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