Marathons in Wyoming

Wyoming is home to 5 marathons in our database in United States, spread across cities including Casper, Cokeville, Green River, and Jackson Hole, and more. Jackson Hole Marathon is the largest race in the lineup, typically drawing around 248 finishers, while the full spread offers everything from fast urban courses to scenic regional events. Browse the races below for course maps, elevation profiles, typical weather, and practical race-day detail to help you choose your next start line. Plan by month on our marathon calendar or filter by country and region.

Cokeville, Wyoming, United States

Bear Lake Wyoming Marathon

The Bear Lake Wyoming Marathon draws approximately 41 finishers each August on a scenic road in Cokeville, United States. The Bear Lake Wyoming Marathon serves runners on the scenic Wyoming side of Bear Lake each August. The course tours Bear Lake basin roads with mountain and lake-country scenery on the Wyoming–Idaho border. Rolling terrain with moderate climbs shapes the middle miles.

Next race: Sunday, 1 August 2027

Casper, Wyoming, United States

Casper Marathon

The Casper Marathon draws approximately 89 finishers each June on a scenic road in Casper, United States. Wyoming's fast-growing Casper Marathon is a USATF-certified Boston qualifier in the heart of the state. The course follows Casper river trails, prairie roads, and wide-open Wyoming vistas. Gentle undulations are the only breaks on an otherwise flat profile.

Next race: Sunday, 6 June 2027

Jackson Hole, Wyoming, United States

Jackson Hole Marathon

The Jackson Hole Marathon draws approximately 248 finishers each September on a scenic road in Jackson Hole, United States. Wyoming's largest marathon by participation finishes at the base of the Tetons on a certified Boston-qualifier course. The course tours Jackson Hole valley roads, community pathways, Wilson, and Grand Teton views. Rolling terrain with moderate climbs shapes the middle miles.

Next race: Sunday, 6 September 2026

Laramie, Wyoming, United States

Med Bow Rail Marathon

The Med Bow Rail Marathon draws approximately 45 finishers each May on a scenic trail road in Laramie, United States. Laramie's Med Bow Rail Marathon uses a rail-trail corridor through southeastern Wyoming's high country. The course follows the Medicine Bow Rail Trail through high-plains and mountain-foothill scenery. Rolling terrain with moderate climbs shapes the middle miles.

Next race: Sunday, 2 May 2027

Green River, Wyoming, United States

Run with the Horses Marathon

The Run with the Horses Marathon draws approximately 57 finishers each August on a scenic road in Green River, United States. Green River's Run with the Horses Marathon serves southwestern Wyoming on a rolling high-desert course. The course tours Green River neighborhoods and high-desert plateau roads. Rolling terrain with moderate climbs shapes the middle miles.

Next race: Sunday, 1 August 2027

Nearby Marathons

Other races closest to Wyoming.

Ogden, Utah, United States· 303 km away

Ogden Marathon

The Ogden Marathon draws approximately 2,500 finishers each May on a canyon point-to-point road in Ogden, United States. The canyon start gives the event one of the most scenic road descents on the U.S. spring calendar. The course passes steep canyon walls, pine-lined descents, and the Union Station area in the city finish. The route is net downhill overall.

Next race: Sunday, 2 May 2027

Salt Lake City, Utah, United States· 321 km away

REVEL Big Cottonwood Marathon

The REVEL Big Cottonwood Marathon is a net-downhill speed course drawing approximately 2,500 finishers each September through Utah's Wasatch Mountains. Starting at Brighton Ski Resort (2,590 m) and descending Big Cottonwood Canyon to Salt Lake City, the course drops roughly 1,200 m on scenic mountain highway. September's crisp alpine morning and the fast descent make it one of America's most popular personal-best marathons.

Next race: Saturday, 19 September 2026

Salt Lake City, Utah, United States· 321 km away

Salt Lake City Marathon

The Salt Lake City Marathon draws approximately 1,500 finishers each April on an urban road in Salt Lake City, United States. Descending from the east bench gives the race a quick first half before the city grid settles the pace. The course passes This Is The Place Heritage Park, Liberty Park, and temple district streets with Wasatch views throughout. The route is net downhill overall.

Next race: Sunday, 4 April 2027

Provo, Utah, United States· 341 km away

Utah Valley Marathon

The Utah Valley Marathon draws approximately 2,200 finishers each June on a canyon point-to-point road in Provo, United States. Its long gentle descent makes it a common target for personal bests and Boston qualifying attempts. The route passes Deer Creek-adjacent canyon roads, the Provo River corridor, and broad urban streets near BYU. The route is net downhill overall.

Next race: Sunday, 6 June 2027

Fort Collins, Colorado, United States· 349 km away

Colorado Marathon

The Colorado Marathon draws approximately 1,800 finishers each May on a canyon point-to-point road in Fort Collins, United States. It delivers a scenic mountain-canyon descent without the extreme grade of some western downhill marathons. The course follows the Cache la Poudre River, red-rock canyon walls, and the approach into northern Colorado neighborhoods. The route is net downhill overall.

Next race: Sunday, 2 May 2027