Westminster Night Trail

AUG
15
2026
Trail races around Standley Lake in Westminster, CO offering 50K, 35K, half marathon, 10K and 5K on packed dirt trails with lake and front range views. The event uses a cupless policy with reusable cups available.
Sat 15 Aug 2026
50 kilometers 35 kilometers Half Marathon 10 kilometers 5 kilometers

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Westminster Trail Races - Standley Lake, Westminster, CO

The Westminster Trail Races, in its 13th year, stages multiple trail distances around Standley Lake in Westminster, Colorado. The courses run on packed dirt trails with sections of single-track and some bike path, and the event includes music and a festival atmosphere near the lake and front range views.

Distances offered include:

  • 50K 31 miles, 2,358 ft elevation gain, three aid stations
  • 35K 21.9 miles, 1,650 ft elevation gain, three aid stations
  • Half Marathon 13 miles, 954 ft elevation gain, three aid stations
  • 10K 6.2 miles, 434 ft elevation gain, two aid stations
  • 5K 3.3 miles, 212 ft elevation gain, reachable high point 5,450 ft

Courses are described as 100% packed dirt trails with out-and-back and Y out-and-back formats; several courses reach a maximum elevation of about 5,597 feet. Race entries are non-refundable and non-transferable. Registration closes November 10.

Pre-race bib pickup is scheduled at Runners Roost Louisville, 459 S. McCaslin Blvd, Louisville, CO. The event operates a cupless policy; reusable UltrAspire cups will be available for purchase or participants may bring their own. Volunteer opportunities are available and include race credits and race swag as perks. Visit the organization's website for the most recent information.

50 km
35 km
Half Marathon
Half Marathon
10 km
5 km
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