Big Sky Marathon
Race Day Weather
Cool start, warming trend ahead
Runners will face a temperature rise from 43°F at the start to 68°F by the finish, with max wind reaching 8 mph from the S. Humidity remains manageable at 45%, ensuring a comfortable experience. As temperatures climb, runners should consider adjusting their pace in the latter stages to avoid overheating.
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Race Info
Downhill point-to-point marathon starting on the Gravelly Range in the Beaverhead-Deerlodge National Forest and finishing at Varney Bridge on the Madison River, about 12 miles south of Ennis, Montana. Billed as the second longest downhill road marathon in the world, with a net drop of roughly 3,650 feet. Run the day after its sister race, the Madison Marathon, as part of the Greater Yellowstone Adventure Series' back-to-back weekend. Aid stations are cup-less and spaced about every three miles.
