Colorado 13er Half Marathon
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Event details
The Colorado 13er takes place on Sunday, June 7, 2026, in Louisville, Colorado. The event offers three distance options:
- 13.1 miles
- 10k
- 5k
The race start/finish area is listed at Home Depot, 1200 Dillon Road, Louisville, CO 80027. Entry fees listed for the race season are $65 for the 13.1, $45 for the 10k, and $35 for the 5k; fees increase after February 28, 2026. The 13.1 entry is open to ages 14 and older. A course map is provided by the organizer.
Course, amenities and partners
The 13.1 course is a loop that runs through Louisville and includes views of the Flatirons. The surface includes about 9 miles of flat, crushed gravel. Race services listed include 10 water station passes, five port-a-john passes, nearby free parking, spectator-friendly sections, iced towels at the finish, gender-specific performance tees for every registrant, and a collector finisher medal for 13er finishers. Timing is chip based with texted results and live, real-time results posted online.
The event partners with Community Food Share; the page states that every $1 donated provides three meals. The organizer also partners with Sneakers4Good to collect gently used or new athletic shoes, with proceeds benefiting Growing Home. A group discount of $5 per person applies for groups of five or more. Visit the organization's website for the most recent information.