Louisville Trail Race

NOV
14
2026
Trail races in Longmont on November 14, 2026 offering Half Marathon, 10K and 5K on new mostly flat courses along the St. Vrain Greenway.
Sat 14 Nov 2026
13 miles 10 kilometers 5 kilometers

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Louisville Trail Races at Rogers Grove

The Louisville Trail Races take place on November 14, 2026 at Rogers Grove Park in Longmont, Colorado. The event includes three distances and represents the 13th running of the Louisville Trail races; for 2026 the event moves from Louisville Community Park to Rogers Grove Park and features all-new courses.

The courses run along the St. Vrain Greenway and through Golden Ponds Park, with segments on dirt trail and paved greenway path and lake views with the Front Range visible on the horizon. Distances offered:

  • Half Marathon (13.1 miles)
  • 10K (6.2 miles)
  • 5K (3.1 miles)

Course and logistics details are specific to each distance. The half marathon is two laps of a 10K loop with 240 feet of elevation gain and five aid stations. The 10K is a single loop with 109 feet of elevation gain and two aid stations. The 5K is an out and back with 52 feet of elevation gain and one aid station. Time limits apply for each race. Crews are permitted at the finish line and pacers are not allowed for any distance. Parking is available in the start/finish lot and a lake lot at Rogers Grove Park, with overflow parking at Golden Ponds Park about 0.6 to 0.7 miles from the start/finish. Visit the organization's website for the most recent information.

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