Castle Rock
Trail Running Calendar near Castle Rock 2026-2027
Explore the top trail runs near Castle Rock for 2026-2027! We've gathered 26 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
December 2026
Mountain trail race at Staunton State Park offering 50k, 16 mile and 8 mile courses, time limits, shuttle parking and variable December weather.
January 2027
A winter out and back 21.6 mile race near Sedalia CO with 2,627 ft of climbing, mandatory gear, aid stations, and a 200 runner field limit.
February 2027
March 2027
Winter endurance laps on a marked 4.6 mile loop at Staunton State Park with 3, 6, 12 and 24 hour formats and fundraising for air quality nonprofits.
April 2027
A backyard ultra at Greenland Open Space in Larkspur, CO, run as repeated 4.167 mile (6.706 km) loops until one runner completes a final solo loop and wins.
Trail races in Highlands Ranch on April 10, 2027 offering 21 mile, half marathon, 10 km and 5 km courses on mostly dirt single-track with rolling hills.
May 2027
Trail ultramarathon in Buffalo Creek, Colorado offering 50 Mile and 50K courses on 100% soft-surface singletrack with staffed aid stations and limited crew access.
Trail races at Farish Recreation Area in Woodland Park, CO feature a Half Marathon, 10K, 5K and a free 1 mile kids run, with awards and packet pickup options.
June 2027
An overnight full moon trail event in Highlands Ranch offering 12 hour solo and team relays on a 10.3 mile loop with aid stations and required headlamps.
August 2027
Trail run at Rampart Reservoir on August 14, 2027 with 8 miles and 16 miles options, a 150 runner limit, water only aid stations, and limited parking.
Trail marathon and half at Staunton State Park in Colorado featuring mostly singletrack, significant elevation gain, marked courses, stocked aid stations, and limited fields.
September 2027