Estes Park
Trail Running Calendar near Estes Park 2026-2027
Explore the top trail runs near Estes Park for 2026-2027! We've gathered 24 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
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 marathon near Fort Collins featuring redstone singletrack, significant elevation change, fully stocked aid stations, and a finish line meal.
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
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
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
An ultramarathon on the Poudre River Trail through Fort Collins, Timnath, Windsor and Greeley offering 50 mile and 100 mile individual races plus relay team options.
May 2027
Trail races near Fort Collins offering 25 miles (≈5,500 ft gain) and 50 miles (≈11,000 ft gain) on mostly singletrack with staffed aid stations.
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
A weekend of road and trail races in Estes Park, CO, featuring marathon, half, 5-mile, trail descent, kids events, shuttled point-to-point courses and finish-line amenities.
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 from Fort Collins to Steamboat Springs across 36 legs, run in several team categories and on public roads that remain open to traffic.