Curated races, clubs, and training

MarathonThe full 26.2 Half Marathon13.1 miles of fun 5KShort and fast 10KThe classic distance TrailGet off the pavement RoadPavement classics Ultra50K, 100K, and beyond FlatFast, PR-friendly courses DownhillNet elevation drop RelayRun as a team VirtualRun anywhere, anytime CoastalRun along the shoreline MountainHigh-altitude challenges

5KShort and fast 10KThe classic distance Half Marathon13.1 miles of fun MarathonThe full 26.2 50KYour first ultra 50 MileThe long haul 100KUltimate endurance 100 MileThe ultimate challenge

All trail racesGet off the pavement Mountain TrailsAlpine singletrack Coastal TrailsOcean views on foot Hilly TrailsRolling terrain off-road Flat TrailsSmooth and fast off-road Trail Ultras50K+ off-road Trail 50KFirst ultra on dirt Trail Marathon26.2 off-road Trail Half13.1 off-road

All road racesPavement classics Road MarathonClassic 26.2 on pavement Road Half13.1 on the roads Road 10K6.2 miles on pavement Road 5KFast 3.1 on the roads Flat RoadPR-friendly road courses Downhill RoadNet downhill road courses City RoadUrban road events

United StatesRaces across America Boston, MAHistoric running city New York, NYThe five boroughs Chicago, ILFlat and fast Los Angeles, CAWest coast running San Francisco, CAHills and views Denver, COMile high racing Portland, ORPacific Northwest Seattle, WAEmerald city runs Austin, TXTexas running scene Nashville, TNMusic city miles San Diego, CAYear-round sunshine Miami, FLTropical running Honolulu, HIIsland paradise runs Washington, DCMonument runs Salt Lake City, UTMountain valley racing Boulder, CORunner's paradise Bend, ORTrail town USA Asheville, NCBlue Ridge running Duluth, MNNorth Shore trails Charleston, SCSouthern charm runs Savannah, GALive oak lined routes Santa Fe, NMHigh desert art town Key West, FLSouthernmost runs Maui, HIVolcanic island trails Napa Valley, CAWine country running

FlatFast, PR-friendly courses RollingGentle hills throughout HillySignificant climbs MountainousMajor elevation challenges DownhillNet elevation drop CoastalRun along the shoreline MountainHigh-altitude challenges ValleyBetween the peaks IslandSurrounded by water CanyonDeep and dramatic DesertArid and exposed

OceanRun along the ocean LakePeaceful lake views RiverFollow the water BayHarbor and bay views WildernessDeep backcountry RuralQuiet country roads CityUrban energy LoopStart and finish together Point to PointA to B adventures Out & BackThere and back again

Turkey TrotThanksgiving weekend runs New Year'sStart the year running July 4thIndependence Day runs Valentine'sRun with your sweetheart St. Patrick'sLucky runs in green HalloweenSpooky season runs Memorial DayHonor and run ChristmasHoliday season runs Labor DayEnd-of-summer runs Mother's DayRun for mom Father's DayRun for dad Cinco de MayoFiesta runs MLK DayDream runs

YosemiteSierra Nevada running Grand CanyonRim-to-rim adventures ZionRed canyon trails YellowstoneGeothermal wilderness Big SurCoastal California SedonaRed rock running MoabDesert ultra country Lake TahoeAlpine lake running AcadiaNortheast coastal trails GlacierCrown of the continent Death ValleyExtreme desert running Joshua TreeHigh desert trails Rocky MountainAlpine trail running OlympicRainforest to coast Bryce CanyonHoodoo trails Great Smoky MountainsAppalachian running LeadvilleRace across the sky Mount RainierVolcanic peak trails Pictured RocksGreat Lakes shoreline

RelayRun as a team VirtualRun anywhere, anytime WalkingWalk-friendly events TrackOn the oval GrassSoft underfoot SandBeach running MixedVariety of terrain LapsMultiple loops

About Pricing Brand Terms Privacy

© 2026 Intervals

Races Clubs Train Wrapped

OUTLAST COLORADO SPRINGS — Colorado Springs, CO

Races
United States
Colorado
Colorado Springs, CO
OUTLAST COLORADO SPRINGS

OUTLAST COLORADO SPRINGS

Saturday, September 26, 2026Colorado Springs, CO18 Miles

Registration open17 weeks

What Is OUTLAST? OUTLAST is a 6-hour trail endurance challenge where runners complete a 5K every hour, on the hour. Each lap must be finished within the hour to stay in the event. If you finish early, you rest until the next round. Miss a lap, and you’re out. Complete all six rounds, and you OUTLAST. This isn't just about speed — it's about pacing, discipline, and mental grit. Whether you're trying to survive all six or win your division, the challenge is the same: show up each hour, push your limits, and stay in it. Each course is trail-based, with natural terrain, elevation, and ...

Race

Surface

Trail

18 Miles

Sep 268:00 AM

400 spotsShirt

$90

$100 after Jun 9

18 Miles

Sep 268:00 AM

400 spotsShirt

$90

$100 after Jun 9

Not affiliated with this event. Official website. We may earn a commission on registrations.

Location

1045 Lower Gold Camp Rd # 3

Colorado Springs, CO 80905

More races near Colorado Springs

Race for the Refuge

10K30K6-Hour Trail Race+1

TAM Trek

19 Miles10K5K+1

Forbidden Forest 30 Hour Ultra

Forbidden Forest 30 Hour Ultra

Hit the Trail Vermont 2026

Morrisville, VT

Ocean Running Club's Seaside Half Marathon and 5K

Seaside Park, NJ

5K13.1 Miles16.2 Miles

Oktoberfest Run 5K/10K/13.1 NEW JERSEY

5K10K13.1 Miles+1

Oktoberfest Run 5K/10K/13.1 PHILADELPHIA

5K10K13.1 Miles+1

Run for Donuts 5K/10K/13.1 NEW JERSEY

5K10K13.1 Miles+1

Run for Donuts 5K/10K/13.1 PHILADELPHIA

5K10K13.1 Miles+1

Medal Madness 5K, 10K, & 13.1M at Montgomery, AL (39)

5K10K13.1 Miles

Medal Madness 5K, 10K, & 13.1M at Gadsden, AL (39)

5K10K13.1 Miles

Oktoberfest Run 5K/10K/13.1 PHOENIX

5K10K13.1 Miles+1