Green River Run With the Horses
Race Day Weather
Warm afternoon, moderate winds
Runners will face a temperature rise from 56°F at the start to 81°F by the finish, with average humidity at 35%. A moderate wind from the SW at 13 mph will provide a slight challenge with gusts up to 28 mph. Runners should pace conservatively in the warmer mid-race hours and stay hydrated throughout.
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Race Info
The Run with the Horses Marathon in Green River, Wyoming, offers a challenging and scenic course that begins at Expedition Island, situated at an elevation of 6,100 feet. Runners traverse city streets and the Greenbelt Trail before ascending 1st Springs Canyon and crossing the top of White Mountain, with elevations ranging from 7,300 to 7,500 feet. This out-and-back route provides breathtaking high plains desert vistas and opportunities to encounter wild horses and other wildlife. Held annually during the River Festival, the event features a vibrant atmosphere with a Cajun shrimp boil, craft vendors, live music, and fireworks. Aid stations are available every two miles, and the race accommodates all levels with a seven-hour time limit. Finishers receive unique horse-themed medals, and age group winners are awarded trophies made from local minerals.
