Big Sky Marathon
Race Day Weather
Scorching heat, strong winds
Runners will face a significant temperature rise from 56°F at the start to a hot 100°F by finish. Winds will be a strong headwind throughout, reaching up to 29 mph. With low humidity at 21% and a dew point of 33°F, hydration will be crucial, and pacing should be conservative to manage the heat.
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Race Info
The Big Sky Marathon offers runners a thrilling point-to-point course through Montana's high mountains, starting at approximately 8,600 feet elevation and descending into the charming town of Ennis. This trail marathon is part of the Greater Yellowstone Adventure Series and features stunning mountain views throughout the challenging downhill route. The race is known as one of the longest downhill road marathons on the planet, making it a bucket list event for serious runners.
