
Platte River Trail 36 Hour
Casper, WY
Fri, Sep 25, 2026
In 79 days · Fri, Sep 25, 2026
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When
Friday, September 25th, 2026
Where
1775 W 1st St, Casper WY
Distances
See race page
About this race
Welcome
Welcome to the Platte River Trail 36 Hour race in Casper, Wyoming.
Format
- Type: Fat ass, self-support only, no fee.
Course
- Start Point: Tate Pumphouse (1775 W 1st St, Casper, WY 82604).
- Direction: Run eastward on the Platte River Trail.
- Turnaround: After 1.5 miles at Best Western Downtown (123 W E Street, Casper, WY 82601).
- 100 Mile Option: After running the 3-mile out-and-back course 33 times, an optional 1-mile out-and-back course is available at Amoco Park (1007 W 1st St, Casper, WY 82604).
Time
- Duration: 36 hours.
- Start Time: 6pm Mountain Time on Sep 25.
- End Time: 6am Mountain Time on Sep 27.
Size Limit
- Participants: 10.
Race Rules
- Registration: Runners must register by September 24 at runsignup.com.
- Age Requirement: Runners must be at least 18 years of age and sign the waiver during registration.
- Start Time: Runners can start anytime after the official race start time: check with the race director for early starts.
- Course Re-entry: When temporarily leaving the course, runners must reenter at the same spot and continue in the same direction.
Supplies
- Self-supply: Runners must provide their own supplies throughout the race, including water, sports drink, snacks, and food.
- Tracking: Runners should be prepared to track their exact distance using a commonly used application (e.g. Strava, Garmin, Apple Health).
- Parking: Parking is at Tate Pumphouse.
Contact
For any questions, please contact the race director.
Happy running!
Course map
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