Trail Running calendar near Fort Collins 2024-2025

We have found 40 Trailruns within 80 miles of Fort Collins. See below where and when you can find the races.

The Samson's Revenge trail run takes place on May 18, 2024, in Estes Park, CO, offering race distances of 55k, 27k, and 10k. The course features a 10k loop with 1,200ft of gain per loop, including the challenging Bible Point ascent. Runners will traverse fast single track trails with a significant s..

June 2024

The Mountain Ridge Trail Race will take place in Highlands Ranch on Saturday 1 June 2024. You can run between 5 and 21 miles.

The Latino Ultra Nature Adventure will take place in Golden on Saturday 1 June 2024. You can run between 5 and 50 kilometers.

The North Fork 50 Mile/50K trail run takes place in the Buffalo Creek Recreation Area in the Pike National Forest, Colorado. The race offers a challenging course with varying altitudes between 6,700 to 8,600 feet for the 50 Mile and 50K distances. Participants can enjoy beautiful pine forests, uniqu..

The Crazy Legs 10K+ Trail Run will take place in Loveland on Sunday 2 June 2024. You can run between 0 and 0 kilometers.

The Ol' College Try 24 Hour Ultra is an inaugural race taking place at the Auraria Campus Tivoli Quad in Denver, CO. The event offers 6, 12, and 24-hour tiers, providing options for participants to test their limits. The race aims to make ultra racing more accessible to newcomers while raising funds..

Ring the Springs is an epic trail run event held at Rock Ledge Ranch at Garden of the Gods in Colorado Springs, offering distances of 100 miles, 100K, 50K, and 25K. The 100-miler course includes strenuous mountain climbing and a city-wide tour through the best parks and open spaces in the area, with..

The Sunset Trail Running Festival in Gold Hill, CO, offers a variety of trail races including a 28K, 12K, 5K, and Kids 1K, with varying registration fees and start times. The event takes place on June 23rd and benefits the Boulder Watershed Collective. Runners will experience scenic views of Boulder..

The Timberview Trail Run is a popular trail race held at Lory State Park in Colorado. The event offers three distances - 10 miles, 5 miles, and a 5K, suitable for athletes of all levels and ages. Participants can enjoy scenic views of Horsetooth Reservoir, Fort Collins, and the foothills while runni..

July 2024

The Flat and the Furious trail run at Barr Lake State Park in Brighton, CO offers a 30K and 15K race on a flat and fast course with stunning lake views and minimal elevation gain. The event, part of the Endurance Race Series, takes place on July 14, 2024, starting and finishing at the Nature Center...

The Never Summer 100km trail run takes place in State Forest State Park, running between the Never Summer Mountains and the Medicine Bow Mountains. The race offers stunning views of various mountain ranges and alpine lakes along the way. Participants can expect a challenging course with a variety of..

August 2024

The Lory Summer Trail Series offers a fun series of shorter midweek trail races in Bellvue, CO, starting with the Eltuck Valley 5k on August 6. The series includes races of varying distances from 5k to 12k, with different elevation gains. The races aim to provide both new and experienced trail runne..

The Lory Summer Trail Series will take place in Bellvue on Thursday 8 August 2024. You can run between 5 and 12 kilometers.

The Med Bow Rail Marathon & Half Marathon takes place on August 10th, 2024, in Lake Owen, Medicine Bow National Forest, Laramie, WY. The marathon course covers the Rail Trail from end-to-end at an average elevation of 8,926 feet, passing through two states and finishing at a mountain lake. The half-..

The Dirt Circus - Boulder will take place in Table Mesa on Saturday 10 August 2024. You can run between 0 and 0 kilometers.

The Summer Trail Series at Lory State Park offers a fun and challenging opportunity for trail runners of all levels. With races ranging from 5k to 12k, participants can enjoy the beautiful mountain scenery while testing their skills on varying terrains. The series aims to provide newer trail runners..

The Lory Summer Trail Series will take place in Bellvue on Thursday 15 August 2024. You can run between 5 and 12 kilometers.

Participants can join the Summer Trail Series at Lory State Park in Bellvue, CO on August 6, 13, 20 & 27 for a series of shorter midweek trail races ranging from 5k to 12k. The third race features a steep climb and descent on the Homestead, Well Gulch, Kimmons loop. The event aims to provide both ne..

The Lory Summer Trail Series will take place in Bellvue on Thursday 22 August 2024. You can run between 5 and 12 kilometers.

Participants can join the 12th Annual Race Standley Lake event in Westminster on August 24, 2024, offering 13.1, 10K, and 5K distances suitable for competitive, intermediate, or novice runners. The course features a mix of packed dirt trails, single track, and some minimal bike path, with stunning l..