Wyoming · Half Marathon (13.1 mi) · 5K
Star Valley Half Marathon & 5K
Star Valley Half Marathon & 5K is a Half Marathon (13.1 mi) and 5K event held in Afton, Wyoming. It is usually held in July; the exact date hasn't been confirmed in the listing yet. About 300 runners take part across all distances.
- Usually held
- July
- Location
- Afton, WY
- Field size
- ~300 runners
Race details
- Usually held in
- July (date not confirmed)
- Location
- Afton, Wyoming
- Distances
- Half Marathon (13.1 mi), 5K
- Field size
- About 300 runners
- Course
- Scenic mountain valley course, ~6,100 ft
- Registration
- ahotu.com
- Official website
- starvalleyhalfmarathon.com
About the Star Valley Half Marathon & 5K
A scenic point-to-point half marathon and 5K through the Star Valley near Afton, now in its 16th year.
Rankings and notes
- Rankings and awards
- 16th annual edition in 2026; popular destination half in western Wyoming
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Guides from the RaceRove blog
- 8 min read How to Choose the Best Half Marathon for a PR, Racecation or 50-State Challenge The best half marathon depends on what you want from it. How to choose a course for a personal record, a race worth travelling for, or an efficient stop on a 50-state challenge.
- 7 min read How to Find a 5K, 10K, Half Marathon or Marathon Near You A practical way to find running races near you: pick a distance, decide how far you'll travel, read the listing properly and confirm the details before you register.
- 9 min read How to Run a Race in All 50 States How to plan a 50-state running challenge: set your own rules, group states into trips, build a calendar around the seasons, budget for it and keep track of every finish.
- Blog All guides Planning advice for finding, choosing and travelling to races.
Star Valley Half Marathon & 5K: common questions
- When is the Star Valley Half Marathon & 5K?
- The next date hasn't been announced in the listing yet. The race is usually held in July. Check the organiser's website for the official date.
- Where is the Star Valley Half Marathon & 5K held?
- In Afton, Wyoming.
- What distances does the Star Valley Half Marathon & 5K offer?
- Half Marathon (13.1 mi) and 5K.
- How many people run the Star Valley Half Marathon & 5K?
- About 300 runners across all of its distances. That figure is an estimate of the field size, not an entry cap.
- How do I register for the Star Valley Half Marathon & 5K?
- Registration is handled by the organiser at ahotu.com. Entry fees, caps and deadlines are set there.
Plan this race in RaceRove
Save it to your plan, compare it with other races, check typical race-day weather and track your 50-state progress in the interactive app.