USA Ultra Marathons in April

Upcoming races with ultra marathon distances in April 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
04/04/2025West Texas Ultra10K, 25K, 50K, 50MFritch TXtexasfritch-txtrail
04/04/2025The Country Mile48HSlater-Marietta SCsouth-carolinaslater-marietta-sctrail
04/05/2025Kanawha Trace Trail Run10K, 25K, 50KOna WVwest-virginiaona-wvtrail
04/05/2025Lake Martin 100100M, 27M, 50MAlexander City ALalabamaalexander-city-altrail
04/05/2025Red River Gorge Ultra25K, 50KPine Ridge KYkentuckypine-ridge-kytrail
04/05/2025Shotgun Trail Blast10K, 25K, 50K, 5KMarcola ORoregonmarcola-ortrail
04/11/2025Gorge Waterfalls Trail100K, 30K, 50KCascade Locks ORoregoncascade-locks-ortrail
04/11/2025Zion Ultras & Trail Half Marathon100K, 100M, 13.1M, 50KApple Valley UTutahapple-valley-uttrail
04/11/2025Desert RATS Trail Running Festival100K, 10K, 13.1M, 50KFruita COcoloradofruita-cotrail
04/12/2025Lake McMurtry Run100K, 12K, 25K, 50K, 5KStillwater OKoklahomastillwater-oktrail
04/12/2025Lake Sonoma 5013.1M, 26.2M, 50MHealdsburg CAcaliforniahealdsburg-catrail
04/12/2025Ouachita Trail 50 Endurance Run50K, 50MLittle Rock ARarkansaslittle-rock-artrail
04/12/2025OAT Run12K, 13.1M, 50KPort Angeles WAwashingtonport-angeles-watrail
04/12/2025Leona Divide Trail Runs100K, 100M, 30K, 50M, 55KLake Hughes CAcalifornialake-hughes-catrail
04/12/2025Ville to Ville Craft Brew Relay71MAsheville NCnorth-carolinaasheville-ncroadrace
04/12/2025Whiskey Basin Trail Runs10K, 13.1M, 33K, 60K, 91KPrescott AZarizonaprescott-aztrail
04/13/2025Peterson Ridge Rumble20M, 26.2M, 40MSisters ORoregonsisters-ortrail
04/14/2025Riverboat Marathon Series10K, 13.1M, 26.2M, 50K, 5KWinnsboro LAlouisianawinnsboro-laroadrace
04/19/2025Loop The Hooch 50K/25K25K, 50KSuwanee GAgeorgiasuwanee-gatrail
04/19/2025Storm the Park 50K15K, 30K, 50K, 5KAltura MNminnesotaaltura-mntrail
04/19/2025Sierra Azul Trail Challenge13.1M, 20M, 26.2M, 50K, 5K, 7MSan Jose CAcaliforniasan-jose-catrail
04/19/2025Spitfire Ultra Trail Challenge12K, 30K, 55K, 5KMenan IDidahomenan-idtrail
04/19/2025Squak Mountain Trail Run12K, 13.1M, 50KIssaquah WAwashingtonissaquah-watrail
04/19/2025Trail Mix Race12.5K, 25K, 50K, 6KRockford MNminnesotarockford-mntrail
04/20/2025Horseshoe Lake Trail Run13.1M, 26.2M, 30K, 50K, 5MLa Honda CAcaliforniala-honda-catrail
04/26/2025Roseburg to Coos Bay Relay24M, 68MRoseburg ORoregonroseburg-ortrail
04/26/2025Potawatomi Trail13.1M, 26.2M, 50K, 5MPinckney MImichiganpinckney-mitrail
04/26/2025Thelma and Louise Marathon and Half13.1M, 15K, 26.2M, 50KMoab UTutahmoab-uttrail
04/26/2025Sinister Night Runs18K, 27K, 54K, 6K, 9KQueen Creek AZarizonaqueen-creek-aztrail
04/26/2025Thumb Coast Ultra50K, 50MCaseville MImichigancaseville-miroadrace
04/26/2025Coopers Rock 50K and Half Marathon Trail Race13.1M, 50KMorgantown WVwest-virginiamorgantown-wvtrail
04/26/2025Hidden Hills Ultra10K, 13.1M, 26.2M, 50M, 5KGraham TXtexasgraham-txtrail
04/26/2025Pandora’s Box of Rox Trail Race13.1M, 26.2M, 4M, 52.4M, 8MBurnet TXtexasburnet-txtrail
04/26/2025Earth Day 50K15M, 50K, 5MCrystal Lake ILillinoiscrystal-lake-iltrail
04/26/2025Dunes 10013.1M, 50KHobe Sound FLfloridahobe-sound-fltrail
04/26/2025Tobacco Road Relay75MRaleigh NCnorth-carolinaraleigh-nctrail
04/26/2025Runs with Scissors Races13.1M, 26.2M, 50KBrighton COcoloradobrighton-cotrail
04/26/2025Royal Gorge Groove Trail Runs12K, 20K, 30K, 50K, 5KCaรฑon City COcoloradocanon-city-cotrail
04/27/2025Jack Bristol Lake Waramaug Ultra Races100K, 50K, 50MNew Preston CTconnecticutnew-preston-cttrail

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

April 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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