West · WY
Running Races in Wyoming
Wyoming currently has 32 upcoming races with a confirmed date listed in RaceRove. Casper, Cody, Cheyenne and Laramie have the largest concentration of events.
By distance, that includes 18 5Ks, 13 10Ks, 14 half marathons and 6 marathons. Many events offer more than one distance, so a race can appear in more than one of those counts.
June (7), July (7) and August (5) are the busiest months on the calendar right now. Another 20 annual races are waiting for next year's date to be announced.
- Upcoming, date confirmed
- 32
- Active listings
- 52
- Cities with races
- 24
Browse Wyoming races by distance
Upcoming races in Wyoming
All 32 with a confirmed date, soonest first.
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Bighorn Mountain Wild and Scenic Trail RunsSheridan, WY100 Mile52 Mile50K32 Mile +3 more ~1,500 runners
Dates come from each race's own listing. Always confirm on the organiser's site before you book travel.
Largest races in Wyoming
By estimated field size across all distances at the event.
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Bighorn Mountain Wild and Scenic Trail RunsSheridan, WY100 Mile52 Mile50K32 Mile +3 more ~1,500 runners
When races happen in Wyoming
- January
- 1 upcoming race
- May
- 2 upcoming races
- June
- 7 upcoming races
- July
- 7 upcoming races
- August
- 5 upcoming races
- September
- 5 upcoming races
- October
- 3 upcoming races
- November
- 2 upcoming races
Wyoming cities with the most races
- Casper
- 4 upcoming races
- Cody
- 4 upcoming races
- Cheyenne
- 3 upcoming races
- Laramie
- 3 upcoming races
- Lander
- 3 upcoming races
- Wilson
- 2 upcoming races
- Gillette
- 1 upcoming race
- Jackson
- 1 upcoming race
Browse Wyoming races by month
Annual events awaiting their next date
These races are held every year, but the next date isn't in the listing yet. The month shown is when each is usually held.
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Cirque Series - Grand Targhee, WYGrand Targhee, WY Usually held in August · next date not announced7.1 Miles ~500 runners
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Med Bow Rail Trail Marathon & Half MarathonLaramie, WY Usually held in August · next date not announcedMarathonHalf Marathon ~150 runners
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Wolf Creek Wrangle Trail RunWolf, WY Usually held in September · next date not announced18-MileHalf Marathon7-Mile5-Mile (trail) ~150 runners
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Antelope Dash Trail Races (Curt Gowdy State Park)Cheyenne, WY Usually held in August · next date not announced8 Mile4 Mile ~100 runners
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Silent Trails Memorial RaceLaramie, WY Usually held in October · next date not announced10.5 Mile ~100 runners
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Platte River Trail 36 HourCasper, WY Usually held in September · next date not announced36 Hour100 Miles ~10 runners
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25th Memorial Stair Climb and 5KRawlins, WY Usually held in September · next date not announcedStair Climb or 5KStair Climb or 5K - First Responders Only
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9.11km Run/Walk/Ride/RememberGillette, WY Usually held in September · next date not announced9.11K
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Night Crawler Endurance ChallengeCasper, WY Usually held in August · next date not announced12 hrs12hr RELAY4hr SOLO
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Sgt. Nevada Krinkee Memorial 5kSheridan, WY Usually held in September · next date not announced5K1 Mile
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Teton Mountaineering Cache Creek Trail RunJackson, WY Usually held in July · next date not announced18K
Races in nearby states
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.
- 4 min read Diplo's Run Club 2026-27: Every City, Date and Course Diplo's Run Club is a 5K with a post-race concert. Every US date for 2026-27 (San Francisco, New York, Los Angeles, San Diego and Phoenix), start times and courses.
- 8 min read How to Choose Your First Marathon A practical checklist for choosing a first marathon based on course, weather, cutoff, travel, field size and support.
- Blog All guides Planning advice for finding, choosing and travelling to races.
Running Races in Wyoming: common questions
- How many races are there in Wyoming?
- RaceRove currently lists 32 upcoming races in Wyoming with a confirmed date, plus 20 annual events whose next date hasn't been announced yet.
- Which Wyoming cities have the most races?
- By upcoming events listed in RaceRove: Casper (4), Cody (4), Cheyenne (3), Laramie (3) and Lander (3).
- When is race season in Wyoming?
- Of the upcoming races listed, the busiest months are June (7), July (7) and August (5).
- What is the biggest race in Wyoming?
- By estimated field size, the largest race listed in Wyoming is the Grand Teton Half Marathon, with about 2,500 runners across all of its distances.
Search every race in Wyoming
Filter by month, course profile and field size, save races to a shortlist and compare them side by side in the interactive search.