Estes Park
Trail Running Calendar near Estes Park 2026-2027
Explore the top trail runs near Estes Park for 2026-2027! We've gathered 19 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
August 2026
A four-date midweek trail series at Lory State Park with races from 5k to 12k; the August 25 Eltuck Valley 12k is a mostly flat 12 km course with post-race pizza and beverages.
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.
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.
Experience the scenic trails of Lory State Park in this 13.5 mile mountain race featuring technical singletrack and stunning Rocky Mountain views. Enjoy a well supported course followed by a celebratory pancake breakfast at the finish.
Social trail run at Lory State Park on September 13 with multiple distance options, followed by coffee and bagels; a State Park Pass is required.
Experience the wild spaces of Northern Colorado with a weekend of trail races ranging from a half marathon to a 50 mile ultra through scenic forests and scout camp trails. Stay on site with available camping and community meals.
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.
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.
Trail marathon and half near Horsetooth Mountain Park featuring Colorado singletrack, rocky sections, fully stocked aid stations, and time limits for each distance.
November 2026
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.
April 2027
50 mile solo and relay races run along the Poudre River Trail on April 11, 2027, plus a 100 mile option that combines in person and on your own miles.
May 2027
Trail races near Fort Collins offering 25 and 50 mile loops on mostly singletrack with about 5,500 or 11,000 feet of elevation gain.
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
August 2027
An overnight team relay across Colorado from Fort Collins into the Rocky Mountains to Steamboat Springs covering 200 miles, 36 legs, and two mountain passes.