Hairy Gorilla Half Marathon & Squirrelly 6-Miler

Sunday, October 25, 2015 • Voorheesville, NY • Course Map

A Halloween-themed trail race that takes runners through the foothills of the Catskill Mountains in eastern New York State, the Hairy Gorilla Half Marathon and Squirrelly Six-Mile Run have something for everyone when it comes to trail running races — plenty of challenging hills, deep woods forest lands to run through, wet and inclement weather conditions at times, and plenty of natural beauty surrounding you as you run.

Organizers caution that this isn’t a race you should be looking to set any personal records at — the course will take much longer to complete than a road race.

The event’s three races — it also includes a half-marathon relay — follow an out-and-back loop course through John Boyd Thacher State Park, whose Helderburg escarpment is known as one of the richest fossil-bearing rock formations on earth, and whose trails offer runners, hikers and backpackers panoramic views of the nearby Hudson and Mohawk River valleys.

The first mile or so of the race takes runners through a grassy field, followed by a fairly easy trail section with some rocks and roots.

From there, the remainder of the course follows the park’s Long Path, which contains some technical sections as well as a mile-long incline between miles 1.5 and 2.5. Along the second half of the course, runners should expect to encounter muddy terrain, so race organizers encourage participants to wear sturdy trail shoes.

Race Weather & Climate

Located in eastern New York state, about 10 miles west of Albany and roughly 160 miles north of New York City, Voorheesville typically sees cool (and sometimes quite cold) to mild weather in October, which has brought record temperatures here as low as 16°F (in 1969) and as high as 91°F (in 1941).

On race day (Oct. 25), the average low is 37ºF and the average high is 56ºF.

Past Results

Course Map

See the race route map for the Hairy Gorilla Half Marathon here.

Starting Time

9:30 AM


  • $30 for the half marathon, until August 31
  • $40 between September 1- October 22
  • $50 on race day


To reserve your spot in the 2015 running of the Hairy Gorilla Half Marathon & Squirrelly 6-Miler, register online at here.

Official Race Website

Facebook Conversations

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See more races in: October, New York

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