Watershed Endurance 6Hr Runs

Edwardsville, United States • 8 Aug 2026

Watershed Endurance 6Hr / 3Hr Runs

The Watershed Endurance Runs take place on Saturday, August 8th, 2026 at the Watershed Nature Center in Edwardsville, IL (1591 Tower Ave). The event consists of two timed efforts run on a 1.01 mile loop around the Welcome Center walking path. The route surface is approximately 50% crushed limestone or gravel and 50% pavement. Direction of the loop alternates by year, with odd years run counterclockwise and even years run clockwise. The event is held in the evening and participants must wear a headlamp, waist lamp, or carry a light after sunset.

Participants may run, jog, walk, or take breaks between loops. The objective is to complete as many miles as possible within each timed limit. Field size is limited to 120 participants.

Distances

  • 6 hour timed run on a 1.01 mile loop.
  • 3 hour timed run on a 1.01 mile loop.

Registration fees vary by date. Packet pickup is available early on Friday, August 7th from 3:00 PM to 6:00 PM at Runwell, and on race day in front of the Watershed Nature Center Welcome Center. An aid station near the Welcome Center will provide water, energy gels, fruit, snacks, and first aid; no cooked food will be available on site. The event is cup free and restrooms are available inside the Welcome Center. Proceeds support the Watershed Nature Center and its nature preserve committee. Visit the organization's website for the most recent information.

Race information

6 Hr
3 Hr
Visit the organization's website for the most recent information.
Trail runs nearby

A trail race at Queeny Park on July 11, 2026 with an approximately 4 mile off road course, free bagels and beer, and a long sleeve tech race shirt. The event is supported by Fit4adventure Touring Company.

The Labor Day Slay at Queeny Park on August 29, 2026 features 5K, 10K, 10K Ruck and a half marathon on marked trails with chip timing, lap aid stations, finishers medals and age-group awards.

Trail races at the Lewis and Clark Trailhead near St Charles include a 13.1 miles half plus separate 8 miles and 5 miles loops. Aid stations offer water and Tailwind and each runner receives a reusable cup at packet pickup.

An open 5K running event in Forest Park, Saint Louis, on 12 September 2026 with a $15 entry fee; the festival also features high school cross country competition and open registration from 23 April 2026.

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