Allenspark
Trail Running Calendar near Allenspark 2026-2027
Explore the top trail runs near Allenspark 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.
August 2026
A community running event in Allenspark with a timed 5K, a 2K walk/fun run, dog entries for $5, and proceeds supporting The Old Gallery.
Free timed 5K in Lafayette at Waneka Lake with nearby parking; strollers allowed, dogs restricted, and concessions and T shirt sales support the Centaurus Cross Country Team.
September 2026
A multi day ultra on a 2 mile loop in Loveland offering time based and distance races with round the clock aid and on site camping.
Multi-distance running weekend in Longmont, CO on a flat 1.05-mile loop, offering in-person and virtual options plus awards and on-site aid.
A two-day trail and bike event in Estes Park featuring 31-mile bike and run options, a 15-mile heavy half, and a 62-mile duathlon, with rugged trails, significant climbs, and aid stations supporting competitors.
October 2026
A scenic 5K through Estes Park during Elk Fest with shuttle transport from the Visitor Center and a finish at Performance Park.
An Oktoberfest themed run in Louisville Community Park with 5k, 10k, half marathon and a kids mile, featuring a traditional German beer mug, a large pretzel, a finisher medallion and an afternoon beer garden with live music.
Repeated 4.167 mile mountain loops on trails beside Rocky Mountain National Park where the last runner standing wins $1,000 and 100 mile finishers earn buckles.
A backyard ultra at Luvin Arms Animal Sanctuary on Oct 24–25, 2026 with hourly 4.167-mile loops on mostly flat dirt, grass, and gravel plus on-site race camp and cupless aid.
MonsterDASH Louisville on Oct 25, 2026 offers a new half marathon plus 5k, 10k and a kids mile with costume contests, expo, and themed runner perks.
November 2026
Trail races in Louisville, Colorado on November 14, 2026 offering Half Marathon, 10K and 5K on out-and-back dirt trails with aid stations and limited onsite parking.
Trail races in Loveland, CO offering a roughly 13-mile half marathon with a 5-hour limit and a shorter 5K on varied, mixed-terrain trails.
December 2026
Repeated 2 km climbs on Thumb Open Space in Estes Park with 540 ft gain per lap, limited to 40 runners; chips at each turnaround count toward patches for 14, 18 and 26 ascents.
Holiday trail runs in Louisville CO with 5k, 10k, a new half marathon, expo pickup, giveaways, family activities, and a visit from Santa.
May 2027
Trail races at YMCA of the Rockies on May 22, 2027 offering 10K, 25K and 50K on mostly runnable singletrack at 8,000 feet.
June 2027
Trail races at Granby Ranch on June 12 2027 include a 14 hour Elevation Challenge plus distances from 6 miles to 50K, with a 250 runner capacity.