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Trail Running Calendar near Roxborough Park 2026-2027

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Explore the top trail runs near Roxborough Park for 2026-2027! We've gathered 31 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.

November 2026
Nov
7
Sa

HRCA Backcountry Wilderness Half Marathon

Trail Run 13 mi
Experience 13.1 miles of singletrack trails and hills in the Highlands Ranch Backcountry Wilderness Area. Enjoy custom medals and a post race pancake breakfast while competing for cash prizes in various categories.
Nov
7
Sa

Sandstone Sixer

Trail Run Backyard Ultra
A six hour timed trail event on an 8 mile loop at Sandstone Ranch in Larkspur, Colorado with aid every four miles and loop based medals.
December 2026
Dec
5
Sa

Sawmill Trail Runs

Trail Run 50 km
Dec
5
Sa

Kingfisher Half Marathon

Trail Run 5 km 10 km Half Marathon
January 2027
Jan
9
Sa

Frozen Devil’s Head

Trail Run 22 mi
A winter 21.6 mile out and back on closed Rampart Range Road from Highway 67 to Devil's Head with 2,600 feet of climbing and required gear.
March 2027
Mar
20
Sa

Far Out 3/4 Marathon

Trail Run 5 km 10 mi 32 km
May 2027
May
1
Sa

Greenland Trail Races

Trail Run 4 mi 8 mi 25 km 50 km
Trail races at Greenland Open Space near Larkspur offer four dirt-trail distances with looped courses, aid stations, timing, and awards.
May
1
Sa

Niwot's Challenge

Trail Run 24 mi 50 mi 100 mi
An invitation-only ultrarunning trial in Sedalia, Colorado emphasizing off-trail navigation, self-reliance, and multi-loop endurance challenges with a 40-runner field.
August 2027
Aug
15
Su

Westminster Night Trail

Trail Run 6 km 12 km ... 36 km 50 km
Trail races at Standley Lake in Westminster CO offering distances from 6K to 50K on 100% dirt courses with aid stations and parking at Wayne Carle Middle School.
September 2027
Sep
25
Sa

Elk Falls

Trail Run 6 mi 14 mi
Trail event at Staunton State Park on September 25, 2027, offering 6 mile and 14 mile options with weighted categories and proceeds to the Special Forces Foundation.
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