Trail Running calendar near Frisco 2024-2025

The Leadville Silver Rush 50M will take place in Leadville on Saturday 12 July 2025. You can run 50 miles.

The High Lonesome 100 is a challenging 100-mile trail race set in the stunning Sawatch Range of Colorado. With a total elevation gain of 23,500 feet and a high point of 13,150 feet, this race offers a rugged loop course that showcases some of the best singletrack in the state. Participants will trav..

The Summit 200 is an extraordinary 200-mile ultra-running event set in the breathtaking landscapes of Summit County, Colorado. This challenging race features a single-loop course that reaches altitudes between 9,000 and nearly 13,000 feet, with a total elevation gain of approximately 40,000 feet. Li..

The Sheep Mountain Trail Runs, organized by the Human Potential Running Series, offers a challenging and scenic experience for trail and ultra runners in Fairplay, Colorado. Set at an average elevation of over 10,600 feet, the event features three race distances: a Half Marathon, 50k, and 50-Mile. P..

The TransRockies Run is an exhilarating six-day stage race set in the stunning Colorado Rockies, covering a total distance of 120 miles. Scheduled for August 4-9, 2025, this event offers participants a unique opportunity to experience breathtaking trails while fostering a strong sense of community a..

The Leadville Trail 100 Mile Run will take place in Leadville from Saturday 16 August 2025 to Sunday 17 August 2025. You can run 100 miles.

The CKF Leadville Trail 100 will take place in Leadville from Saturday 16 August 2025 to Sunday 17 August 2025. You can run 100 miles.