Loveland
Trail Running Calendar near Loveland 2026-2027
Explore the top trail runs near Loveland for 2026-2027! We've gathered 21 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
November 2026
Trail races in Longmont on November 14, 2026 offering Half Marathon, 10K and 5K on new mostly flat courses along the St. Vrain Greenway.
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.
Santa Claus Run in Louisville CO on Dec 12 offers 5k, 10k, a half marathon and a kids race with an expo, festive finish gifts and on-course amenities.
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 bike rally and trail run in Lyons, Colorado offering multiple run and ride distances plus an afterparty with food, music and saunas.
April 2027
Long distance races along the Poudre River Trail including 50 mile and 100 mile hybrid options, a 50k, and team relays through Fort Collins, Timnath, Windsor and Greeley.
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 featuring 10K, 25K, and a 50K with 6,000 feet of gain on mostly runnable singletrack.
June 2027
A mixed gravel-bike and trail-running festival in Lyons, Colorado on June 6, 2027, featuring races from 100K to 5 miles plus relays, BMX, camping and a concert.
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 Lory State Park, Fort Collins in August 2027 offering 5k, 10k and 12k distances with post-race pizza and vintage shirts.
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.
Family friendly mud run in Denver on Aug 14, 2027 featuring obstacles, mud pits, slides and a pre party at Colorado National Speedway.
September 2027
Multi-day ultrarunning event in Loveland, Colorado offering timed and distance races on a two mile mostly trail loop, camping, chip timing, and a 150 runner cap.