Estes Park
Trail Running Calendar near Estes Park 2026-2027
Explore the top trail runs near Estes Park for 2026-2027! We've gathered 22 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
October 2026
An approximately 18 mile trail across Boulder's five peaks with about 5,000 ft of climbing on October 24, 2026; limited to 100 participants with a $25 fee donated to recovery.
November 2026
December 2026
A limited 40-runner mountain ascent at Thumb Open Space: repeated 2 km laps with 540 ft gain, poker-chip turnarounds, and patch milestones for 14, 18, and 26 ascents.
A 10K at the YMCA of the Rockies on December 19, 2026, with trail and paved sections and nearly 1,500 feet of climbing; breakfast and a day pass included.
February 2027
A winter gravel bike rally and trail run in Lyons, Colorado offering multiple run and ride distances, mixed terrain courses, and a public finish-line party with food and music.
April 2027
Long-distance races on April 11, 2027 along the Poudre River Trail from Bellvue to Greeley with 50 and 100 mile solo and relay options.
May 2027
Trail races near Fort Collins with two distances: 25 miles (~5,500 ft gain) or 50 miles (~11,000 ft gain) on mostly singletrack through Lory State Park and Horsetooth.
Trail races at YMCA of the Rockies on May 22, 2027 offering 10K, 25K, and 50K on mostly runnable singletrack at 8,000 feet; the 50K includes 6,000 feet of gain.
June 2027
Estes Park race weekend on June 20, 2027 features marathon, half marathon, Estes Trail Descent 7.75 miles, Longs Peak 5 mile, kids runs, finisher medals and age group awards.
August 2027
Four Tuesday evening trail races in August at Lory State Park offering 5k, 10k and 12k courses with pizza, series awards, and youth pricing.
A point to point 200 mile team relay across Colorado with 36 legs from Fort Collins to Steamboat Springs, offered in multiple team categories on open roads.
September 2027
Multi-day ultrarunning event in Loveland, Colorado offering timed and distance races on a flat 2 mile loop with camping and a 150-runner cap.