Big Sky Marathon
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Big Sky Marathon
The Big Sky Marathon is a high-altitude downhill race that descends the Gravelly mountain range toward the Madison River. The course records a total descent of nearly 4,900 feet at the finish and a net descent of over 3,800 feet. Most of the route is unpaved: about 96% is on packed and loose gravel.
The event offers multiple distances:
- Full marathon: 26.2 Miles
- Half marathon: 13.1 Miles
- Ultra 50K: 50K
The race is held at Varney Bridge Fishing Access Site, Ennis, Montana. The event began in 2015. For 2027 the course was revised to remove the out-and-back loop to Highway 287. Prizes are awarded to the first and second place male and female finishers. After the race there is an on-site gathering at Varney Bridge where participants from the Ultra 50K, full marathon, and half marathon share food and local brews. Visit the organization's website for the most recent information.
