21-mile Front Range trail classic with panoramic Colorado views
Other trail races within 35 miles
A rolling, mostly-dirt trail race traversing the Douglas County East-West Regional Trail near Highlands Ranch, Colorado. The Y-shaped out-and-back course covers 21.8 miles with 2,106 feet of gain through open Front Range terrain with panoramic Rocky Mountain views. With four aid stations, generous cutoffs, and a welcoming atmosphere, it serves as an approachable introduction to longer-distance trail racing and has been a Colorado spring tradition since 2014.
Suitable for first-timers
Highlands Ranch, CO, United StatesApril 10, 2027
Mountain Ridge Trail Race 21 Mile is an out-and-back trail race in Highlands Ranch, CO, United States, held on April 10, 2027. The course covers 21.8 miles, climbs 2,110 ft, and has a 6h30m cutoff.
Well-maintained, non-technical trails
| Location | Mile | Elevation | Cutoff | Crew | Drop bags |
|---|---|---|---|---|---|
Start Start | 0.0 | 6,056 ft | — | ||
Grigs Aid Aid Station | 2.2 | 6,302 ft | — | ||
Coyote Cache Aid Aid Station | 6.0 | 6,283 ft | — | ||
Grigs Aid II Aid Station | 9.9 | 6,302 ft | — | ||
West Side Aid Aid Station | 16.1 | 5,778 ft | — | ||
Finish Finish | 21.8 | 6,056 ft | 6h30m1:30 PM | Crew | Drop Bags |
Sign in for race-day weather at every station, points of interest, segment-by-segment analysis, pacing, and to save this race to your calendar.
April mornings in Highlands Ranch start cold, with temperatures ranging from the upper 20s to low 40s°F at race start. By midday conditions often warm to the 50s–60s°F. Spring snowstorms are possible in early April, afternoon wind can develop on exposed ridge sections, and UV exposure is notable at 6,000–6,400 feet elevation. Dress in layers and carry a light wind layer.
April weather on the Front Range is unpredictable — sub-freezing mornings are possible and afternoon conditions can shift quickly
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