Races
Relay
United States
South Dakota

Relay ultramarathons in South Dakota, United States

Relay

United States

South Dakota

Filters

TrailRoadTrack

BackyardRelayStage

Point to pointSingle loopMultiple loopsOut & back

50K50mi100K100mi6hr 12hr 24hr

< 1%1%-2%2%-3%3%-4%4%-5%> 5%

BeginnerIntermediateHardHardest

≥

North AmericaSouth AmericaEurope Asia Africa OceaniaAntarctica

United States

AfghanistanÅland IslandsAlbaniaAlgeriaAndorraAngolaAnguillaAntarcticaAntigua and BarbudaArgentinaArmeniaArubaAustraliaAustriaAzerbaijanBahamasBahrainBangladeshBarbadosBelarusBelgiumBelizeBeninBermudaBhutanBoliviaBosnia and HerzegovinaBotswanaBrazilBritish Virgin IslandsBruneiBulgariaBurkina FasoBurundiCambodiaCameroonCanadaCape VerdeCayman IslandsCentral African RepublicChadChileChinaColombiaComorosCongoCosta RicaCroatiaCubaCuraçaoCyprusCzech RepublicDemocratic Republic of the CongoDenmarkDjiboutiDominicaDominican RepublicEcuadorEgyptEl SalvadorEquatorial GuineaEritreaEstoniaEswatiniEthiopiaFaroe IslandsFijiFinlandFranceFrench GuianaGabonGambiaGeorgiaGermanyGhanaGibraltarGreeceGrenadaGuadeloupeGuamGuatemalaGuernseyGuineaGuinea-BissauGuyanaHaitiHondurasHong KongHungaryIcelandIndiaIndonesiaIranIraqIrelandIsle of ManIsraelItalyIvory CoastJamaicaJapanJerseyJordanKazakhstanKenyaKiribatiKosovoKuwaitKyrgyzstanLaosLatviaLebanonLesothoLiberiaLibyaLiechtensteinLithuaniaLuxembourgMacauMadagascarMalawiMalaysiaMaldivesMaliMaltaMarshall IslandsMartiniqueMauritaniaMauritiusMayotteMexicoMoldovaMonacoMongoliaMontenegroMontserratMoroccoMozambiqueMyanmarNamibiaNauruNepalNetherlandsNew CaledoniaNew ZealandNicaraguaNigerNigeriaNorfolk IslandNorthern Mariana IslandsNorth KoreaNorth MacedoniaNorwayOmanPakistanPalauPanamaPapua New GuineaParaguayPeruPhilippinesPolandPortugalPuerto RicoQatarRéunionRomaniaRussiaRwandaSaint Kitts and NevisSaint LuciaSaint MartinSaint Pierre and MiquelonSaint Vincent and the GrenadinesSamoaSan MarinoSão Tomé and PríncipeSaudi ArabiaSenegalSerbiaSeychellesSierra LeoneSingaporeSint MaartenSlovakiaSloveniaSolomon IslandsSomaliaSouth AfricaSouth KoreaSouth SudanSpainSri LankaSudanSurinameSvalbard and Jan MayenSwedenSwitzerlandSyriaTaiwanTajikistanTanzaniaThailandTimor-LesteTogoTongaTrinidad and TobagoTunisiaTurkeyTurkmenistanTurks and Caicos IslandsTuvaluUgandaUkraineUnited Arab EmiratesUnited KingdomUnited StatesUruguayUS Virgin IslandsUzbekistanVanuatuVenezuelaVietnamWestern SaharaYemenZambiaZimbabwe

East East Coast Gulf Coast Mid-Atlantic Midwest New England Northeast Pacific North West South Southeast Southwest West West Coast

South Dakota

AlabamaAlaskaArizonaArkansasCaliforniaColoradoConnecticutDelawareDistrict of ColumbiaFloridaGeorgiaHawaiiIdahoIllinoisIndianaIowaKansasKentuckyLouisianaMaineMarylandMassachusettsMichiganMinnesotaMississippiMissouriMontanaNebraskaNevadaNew HampshireNew JerseyNew MexicoNew YorkNorth CarolinaNorth DakotaOhioOklahomaOregonPennsylvaniaRhode IslandSouth CarolinaSouth DakotaTennesseeTexasUtahVermontVirginiaWashingtonWest VirginiaWisconsinWyoming

2025202620272028

WinterSpringSummerFall

JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember

UTMB IndexUTMB World SeriesUTMB World Series Majors

1 races

The Blood Run

Sep 4-6, 2026 (Fri-Sun)

Lennox, South Dakota, United States

Repeated 1.5-mile farm loop on flat dirt and pasture, surrounded by miniature animals, with variable trail conditions and on-site camping options.

36h

12h

24h

Page 1 of 1

Showing 1 - 1 of 1 events

Races by distance

50K races
50mi races
100K races
100mi races
6hr races
12hr races
24hr races

Races by type

Road races
Trail races
Track races
Stage races
Relays
Backyard ultras

Races by continent

North America
South America
Europe
Asia
Africa
Oceania

Races by country

United States
United Kingdom
France
Germany
Canada
Australia
Japan
South Africa

Your next ultra starts here

Contact
Help
Privacy Policy
Cookies Policy
Terms of Use

Relay ultramarathons in South Dakota, United States

Filters

Terrain

Format1

Course

Distance

Elevation

Difficulty

Cutoff

Continent

Country1

Region

State1

Year

Season

Month

UTMB Qualification

The Blood Run