Green River, Wyoming, United States
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.
Run with the Horses Marathon is a certified 42.195 km (26.2 mile) marathon — the standard World Athletics marathon distance.
The next Run with the Horses Marathon is scheduled for Sunday, 1 August 2027 with a 7:00 am start. The certified course covers 42.195 km (26.2 miles) with 150 m of climbing on a rolling with moderate climbs layout.
The Run with the Horses Marathon is a rolling scenic road course with moderate climbs. Starts and finishes in Green River on a southwestern Wyoming loop. The course tours Green River neighborhoods and high-desert plateau roads. Rolling terrain with moderate climbs.
The Run with the Horses Marathon course is rolling with moderate climbs over 42.195 km (26.2 miles). Runners cover 150 metres of climbing and 140 metres of descent, with a net climb of 10 metres from start to finish.
Run with the Horses Marathon is typically held in August. Registration opens through https://www.runwiththehorses.com/ and may use a lottery or tiered entry when demand exceeds capacity.
Last updated 18 July 2026. Edition dates and course details are reviewed regularly.
Other races closest to Green River.
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