You can run a Wyoming half marathon in Casper, Cheyenne, Cody, Cokeville, Evanston, Green River, Jackson, Jackson Hole, Lander, Lovell, Pinedale, Provo, and South Pass City.
Wyoming Half Marathons in September
This is the calendar of all the Wyoming half marathons in September. On these race calendars, not only will you be able to search the basics of cities and dates, but you’ll also be able to find September Wyoming half marathons by difficulty, scenery, race size, and attributes like whether it’s pet-friendly, stroller-friendly, or has a great finisher party.
If you can’t find the half marathon you’re looking for in Wyoming in September, it’s possible the race has not updated their date to the current year or has switched months. If you know a race belongs on this calendar or have any edits you’d like to suggest for an existing race in Wyoming in September, you can email us [email protected].
Filter Wyoming Half Marathons
Race Size
Difficulty
Scenery
Type
Perfect For
Distances
Filter Wyoming Half Marathons
Race Size
Difficulty
Scenery
Type
Perfect For
Distances
September 13, 2026
1-100 runners
Casper, Wyoming
- 10K, 5k, Half Marathon, Road
Running in Wyoming
FAQ
What are the most popular Wyoming half marathons?
The Grand Teton Half Marathon is the most popular Wyoming half marathon with 1,859 finishers in 2023.
What are the best Wyoming half marathons for beginners in 2025?
The Wyoming half marathons that we recommend most frequently for beginners are the:
The Grand Teton Half Marathon: An exceptionally produced race from Vacation Races through one of the most popular National Parks in the United States. The race offers a stunning course featuring a flat, paved road over the Snake River, scenic pastures, and a final stretch on a well-packed dirt road, culminating in breathtaking views of the Grand Teton mountain range at the finish line.
Jackson Hole Half Marathon: This course offers the breathtaking beauty of the Tetons, commencing near Jackson Town Square’s iconic elk antler arches and traversing diverse landscapes, including the National Elk Refuge, Snow King Mountain, and the Snake River.
Which cities host Wyoming half marathons?
