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.
September 2026
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.
Experience two days of mountain endurance in Colorado with technical mountain bike and trail running races including a 50K ultra and the 100K Epic Double challenge.
October 2026
A scenic 5K through Estes Park during Elk Fest with shuttle transport from the Visitor Center and a finish at Performance Park.
Run a 4.167 mile loop every hour at 8,000 feet in this mountain endurance race where the last person standing wins a 1,000 dollar prize.
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
A mountain challenge in Estes Park where runners complete 2km laps with 540ft of gain to reach elevation milestones and collect poker chips for rank.
Celebrate the season with a festive 10K featuring 1,500 feet of climbing and beautiful trail views at the YMCA of the Rockies.
February 2027
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; the 50K includes 6,000 feet of gain.
June 2027
Experience a scenic downhill race through the Rocky Mountains with distances ranging from a 5 mile run to a full marathon passing the historic Stanley Hotel.
July 2027
Two mountain ultras near Gould, Colorado: a 100 km and a 60 km course with high alpine ridgelines, major elevation change and fully stocked aid stations.
August 2027
A four race midweek trail series at Lory State Park in August 2027 offering 5K, 10K and 12K options, post race food and beverages, and series awards.
A 200 mile point to point relay across Colorado from Fort Collins to Steamboat Springs with 36 legs and team options from solo to 12 runners.