Black Squirrel Half

SEP
11-12
2027
A 13.5 mile trail half around Lory State Park near Fort Collins with ~2,000 ft elevation change, ridge climb, stocked aid stations and a post-race breakfast.
11-12 Sep 2027
14 miles

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Black Squirrel Half : Lory State Park, September 2027

The Black Squirrel Trail Half Marathon is a trail race on the perimeter trails of Lory State Park northwest of Fort Collins, Colorado. The course offers views to the east of Horsetooth Reservoir, Fort Collins and the Great Plains, and to the west of the Rocky Mountain peaks.

The main event covers 13.5 miles with roughly 2,000 feet of total ascent and descent. Terrain is mostly hard-pack singletrack with a short section of dirt road. Runners climb about 1,500 feet between mile 2 and mile 6 to reach the west ridge, then descend over the next 2.5 miles before returning on gently rolling singletrack for the final miles. Reported elevations range from 5,400 to 7,000 feet, with an average near 6,100 feet.

Distances:

  • 13.5 miles with about 2,000 ft of vertical gain and descent
  • 1 mile kids race on gently rolling singletrack

Aid stations are fully stocked with water and sports drink; one station at mile 8.5 offers additional snacks such as fruit and chips. There are toilets at the start/finish, Arthur’s Trailhead and Timber Trailhead. The field is capped at 400 entrants and the event allows 5.5 hours to complete the course. Crewing and pacing are permitted only at designated aid stations. Poles and other mechanical aids are not allowed unless approved by race staff. Post-race offerings include a pancake breakfast, awards, a pint glass finisher award and a gender specific race T-shirt. Visit the organization's website for the most recent information.

Events nearby

Long distance races along the Poudre River Trail including 50 mile and 100 mile hybrid options, a 50k, and team relays through Fort Collins, Timnath, Windsor and Greeley.
Trail races near Fort Collins with a 25 mile loop of about 5,500 ft gain or a 50 mile option with over 11,000 ft gain.
Timberview Trail Run at Lory State Park on June 26, 2027 offers 5K, 5 mile and 10 mile trail courses with aid stations, chip timing, shirts and post-race food.
Four Tuesday evening trail races in Lory State Park, Fort Collins in August 2027 offering 5k, 10k and 12k distances with post-race pizza and vintage shirts.
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