
Friday, September 25, 2026 · 6:00 PM · Casper, Wyoming
Platte River Trail 36 Hour
Welcome to the Platte River Trail 36 Hour race in Casper, Wyoming.
Format:
Fat ass, self-support only, no fee.
Course:
Start at Tate Pumphouse (1775 W 1st St, Casper, WY 82604), run eastward on the Platte River Trail, turn around after 1.5 miles at Best Western Downtown (123 W E Street, Casper, WY 82601), and follow the same trail back to Tate Pumphouse.
For those who attempt 100 miles, after running the 3-mile out-and-back course 33 times, an optional 1-mile out-and-back course is available on the same trail, with the turnaround at Amoco Park (1007 W 1st St, Casper, WY 82604).
Time:
36 hours, from 6pm Mountain Time on Sep 25 to 6am Mountain Time on Sep 27.
Size limit:
10.
Race rules:
Runners must register by September 24 at runsignup.com.
Runners must be at least 18 years of age and sign the waiver during registration.
Runners can start anytime after the official race start time. For early starts, please check with the race director.
Runners can finish anytime before the official race end time, after which runners must be off course.
When runners temporarily leave the course, they must reenter the race at the same spot and continue in the same direction.
Runners must provide their own supplies throughout the race, including yet not limited to, water, sports drink, snacks, and food.
Runners should be prepared to track their exact distance using a commonly used application (e.g. Strava, Garmin, Apple Health).
Parking is at Tate Pumphouse.
For any questions, please contact the race director.
Happy running!
- Time limit
- No time limit listed by the organizer
- Walkers
- Not mentioned — ask the organizer
- Terrain
- Not stated
- Certified
- Not stated
Pulled from the organizer's own race description — per the organizer, not independently verified.
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Race details on this page come from RunSignup.
Race details can change and mistakes can be made. Always verify the race website for the most complete and accurate information. Report an error on this page.
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Platte River Trail 36 Hour
Sep 25, 2026 · Free


