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

HRCA Wildcat Mountain Trail Races — Littleton, CO

Races
United States
Colorado
Denver, CO
HRCA Wildcat Mountain Trail Races

HRCA Wildcat Mountain Trail Races

Saturday, October 3, 2026Littleton, CO10K – 10 Miles

Registration open18 weeks

The Wildcat Mountain Trail Races showcase some of the most scenic terrain in the HRCA Backcountry Wilderness Area, giving runners a true taste of the rolling hills, open views, and natural beauty surrounding Wildcat Mountain. Each fall, participants take on two distances—a 10-mile and a 10K—designed to highlight the area’s unique, beautiful trails. The race begins at the Douglas County East/West Trailhead at Rocky Heights Middle School and follows the E/W Trail into the Backcountry, linking directly into the Wildcat Mountain trails. Adult registration includes: Dry-fit race t-shirt Custom race...

Races

Surface

Trail

Oct 310:30 AM

$10

Oct 310:30 AM

$10

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

Location

11033 Monarch Blvd

Littleton, CO 80126

More races near Littleton

Amy's Adventure Race for the Lake

Bolton Landing, NY

4.5 Miles10 Miles

Cindy's Race 10 Mile |10k | 6K | Kid's 1K

10 Miles10K6K+2

Cirque Series - Mt Baldy, CA

9.1 MilesExpert DivisionPro Division+1

FREC 5k Race Series Presented by Michelob Ultra and Coca-Cola Bottling Company

9.3 Miles3.1 Miles1 Miles

Everyone Runs Catalina State Park 50-Year Trail Race and 5k Trail Run & Walk

9.3 Miles3.1 Miles

Junction Jamboree Jog 5K / 10K / 10-Miler

Union Point, GA

3.1 Miles6.2 Miles10 Miles+2

Riverbank Run for the Cheese (50th Anniversary Run)

Fleet Feet Monte Sano 15K

14er Fest 14K & 5K

Buena Vista, CO

RMRR October Trophy Series

Mountain Marmot Trail Run presented by Durango Running Company

Bad Little Trail Run - 8mile Run and 2.5mile run/walk

Whitneyville, ME

8 Miles2.5 Miles