Colorado 13er Half Marathon
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Event
The Colorado 13er is a running event in Louisville, Colorado, held on Sun June 7, 2026. The race offers three distance options:
- 13.1 miles (half marathon)
- 10k
- 5k
The half marathon is open to ages 14 and older. The official venue address is Home Depot, 1200 Dillon Road, Louisville, CO 80027.
Course and race details
The event uses a looped course through Louisville with views of the Flatirons. The route includes about 9 miles of flat, crushed gravel. On-course support and amenities listed for the event include 10 water station passes, 5 porta-john passes, iced towels at the finish, nearby free parking, and spectator-friendly access. All registrants receive a gender-specific performance short-sleeved tee. Half marathon finishers receive a collector finisher medal. Timing is chip based, with results provided via text and published live online.
Partnerships and extras
The race partners with Community Food Share; the listed claim is that every $1 donated provides 3 meals. The event also partners with Sneakers4Good to collect athletic shoe donations that support Growing Home. A group discount of $5 per person is available for groups of five or more. Visit the organization's website for the most recent information.
