Colorado 13er Half Marathon

JUN
6
2027
A looped 13.1 mile course through Louisville, Colorado with views of the Flatirons, plus 10K and 5K options. The event features chip timing with live results, water stations, a half marathon finisher medal, and performance tees.
Sun 6 Jun 2027
13 miles 10 kilometers 5 kilometers

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Colorado 13er Half Marathon - Louisville, Colorado

The Colorado 13er is a running event held on 06/06/2027 in Louisville, Colorado, at 1200 Dillon Road (Home Depot). The event offers three distances and a looped course that runs through Louisville and provides views of the Flatirons.

Distances:

  • 13.1 Miles - half marathon, 13.1 finishers receive a finisher medal
  • 10K - 10 kilometer option
  • 5K - 5 kilometer option

Registration opens 07/01/2026 and closes 08/01/2026. Published registration fees are $60.00 for the half marathon, $40.00 for the 10K, and $30.00 for the 5K. Groups of five or more receive a $5 per person discount.

Course and on-course services include 10 water station passes, 5 port-a-john passes, and about 9 miles of flat, crushed gravel surface. The event provides nearby free parking and is described as spectator friendly. Race services include chip timing with texted results and live online results, iced towels at the finish, and gender-specific performance tees for registrants.

The organizer notes a looped course layout and multiple support features for participants. Exact start times are not included here. Visit the organization's website for the most recent information.

13 mi
13er
10 km
10k
5 km
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