Race Calendar in Colorado, United States

Grin & Bear It

Crested Butte, Colorado, United States

Jul 11, 2026 (Sat)

Running, Cycling

25K 15K 23.9K

Pagosa Duathlon

Pagosa Springs, Colorado, United States

Jul 11, 2026 (Sat)

Duathlon

35.4K 17.7K 4.8K

Paint the Prairie

Aurora, Colorado, United States

Jul 11, 2026 (Sat)

Running

1.6K

All-Out Dog Days

Westminster, Colorado, United States

Jul 11, 2026 (Sat)

Running

Half-Marathon 10K 5K +2

Cookie Chase

Denver, Colorado, United States

Jul 11, 2026 (Sat)

Running

5K

Silverheels Trail Runs

Como, Colorado, United States

Jul 10, 2026 (Fri) – Jul 11, 2026

Trail running

Ultra 17.4K 30.7K +2

July 9 - Intermediate @ Austin Bluffs Open Space

Colorado Springs, Colorado, United States

Jul 9, 2026 (Thu)

July 9 - Beg & Skills / Advanced @ Palmer Park

Colorado Springs, Colorado, United States

Jul 9, 2026 (Thu)

Women's Specific High Trails Trail Running Retreat

Buena Vista, Colorado, United States

Jul 9, 2026 (Thu) – Jul 12, 2026

BRR All-Comers Summer Track & Field Series #3

Boulder, Colorado, United States

Jul 9, 2026 (Thu)

Running

Ultra 1.6K 5K +1

HRCA Rocky Gulch Circuit

Highlands Ranch, Colorado, United States

Jul 8, 2026 (Wed)

Hahns Peak Vertical Trail Race

Clark, Colorado, United States

Jul 5, 2026 (Sun)

Running

12.9K