Colorado 13er (Half Marathon/10k/5k)
Sunday, June 7, 2026 · Louisville, United States
Distances
5 km
10 km
21.1 km
About this race
The Colorado 13er offers a blend of trail and road running on a looped course with 9 miles of flat, crushed gravel. Runners will enjoy views of the Flatirons. It is suitable for all levels of runners.
Start location
1200 Dillon Road
Louisville, CO