21-mile Front Range trail classic with panoramic Colorado views
Other trail races within 37 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 11, 2026
Well-maintained, non-technical trails
| Location | Mile | Elevation |
|---|---|---|
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 |
Sign in to see cutoffs, crew access, drop bags, and services for every aid station.
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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