Trail Running calendar near Aurora 2024-2025

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..

The Endure Trail Runs @ Mueller State Park offers various events including a 10k, Half Marathon, 12-Hour, and 24-Hour races. The unique 12-Hour event involves runners pulling colored balls to determine their next loop, while the 24-Hour event requires participants to endure the full 24 hours. The Ha..

The Ram Party Trail Runs offer a variety of race options for all levels, set around the stunning Rampart Reservoir in Woodland Park, Colorado, with views of Pikes Peak and the front range. The event includes distances ranging from 15k to 60k on Saturday and 16k to 33k on Sunday. The race starts at B..

The Great Divide Ultra is a trail running festival taking place in Divide, CO on June 1-2, 2024. The event offers a variety of distances including 100 miles, 100k, 50k, and 25k on both Saturday and Sunday. Participants will enjoy running on smooth single/double-track trails through Mueller State Par..

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 Bear Creek Ruck will take place in Colorado Springs on Sunday 2 June 2024. You can run 13 miles.

The Garden of the Gods Ten Mile Run® is a premier race in Colorado Springs, featuring a challenging course through the iconic Garden of the Gods Park. With towering sandstone rock formations and a post-race party at Rock Ledge Ranch, this race offers a unique and rewarding experience for participant..

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..

The Silverheels Trail Runs take place at an average elevation of over 10,000 feet in Colorado, offering stunning views of the South Park Valley and the "Decalibron" 14er's. The course includes single track trails, fire roads, and dirt roads, passing through ghost towns, abandoned mines, and high alp..

The Last Call Fifties trail run has now been rebranded as the Silverheels Trail Runs, featuring various distances including 10-Mile, 18-Mile, 60k, 50-Mile, 100k, and 100-Mile options. The event, held annually in July, underwent a refresh in 2024 with new start and finish locations, distances, and br..

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 Greenland Open Space Pack Burro Races take place in Larkspur, Colorado, offering two distances: an 8-mile race following all WPBA rules and a 4-mile introductory course where packs are optional. Participants must be 14 years or older and are encouraged to secure a burro partner before registerin..

The Barr Trail Mountain Race is a historic summer mountain running event in Manitou Springs, Colorado. The 12.6-mile course starts at the Cog Railway Station and ascends Pikes Peak's Barr Trail before finishing at the Barr Trailhead. The race is part of The Garden to Peak Challenge, where participan..

The Summit 200 is a 200-mile trail run around Summit County, Colorado, featuring stunning hiking trails, forest roads, and sections of pavement. The route offers breathtaking beauty and significant elevation changes, with the lowest altitude over 9000 feet and sections surpassing 13,000 feet. The ev..