Events Father's Day Classic 10k/5k Arvada, CO The Great Trailhead Footrace Lakewood, CO GMR Backyard Ultra Golden, CO Event Series Ironman Triathlon Rock 'n' Roll Marathon Spartan Race Hot Chocolate Run Ragnar Relay
Father's Day Classic 10k/5k Arvada, CO The Great Trailhead Footrace Lakewood, CO GMR Backyard Ultra Golden, CO
October 2026 PB&J Fuel Run 5K/10K/13.1 DENVER/AURORA Centennial, CO Sat - Oct 31, 2026 Running > 5k I Ain't Scared (of 5k) Thornton, CO Sat - Oct 31, 2026 Running > 5k November 2026 Run for Mental Health 5K/10K/13.1 DENVER/AURORA Centennial, CO Sat - Nov 14, 2026 Running > 5k Coffee Lovers Run 5K/10K/13.1 DENVER/AURORA Centennial, CO Sat - Nov 28, 2026 Running > 5k, 10k, Half Marathon, 1 mile « ‹ 1 2 3 Add your event to the calendar Trending Events Father's Day Classic 10k/5k The Great Trailhead Footrace GMR Backyard Ultra
Coffee Lovers Run 5K/10K/13.1 DENVER/AURORA Centennial, CO Sat - Nov 28, 2026 Running > 5k, 10k, Half Marathon, 1 mile
