Antelope Island 50k

Hooper, United States • 7 Nov 2025

The Antelope Island Fall Classic 50k is a premier ultra running event held at Antelope Island State Park in Utah, typically in early November. The race features a challenging 50-kilometer (about 31 miles) loop with approximately 3,900 feet of elevation gain, starting and finishing at the island's marina. The course traverses scenic trails including Mountain View, Sentry Peak, Split Rock, and White Rock, with several aid stations and two drop bag locations.

Runners may encounter bison on the course, adding a unique wilderness element. The event welcomes dogs on leash and offers a friendly atmosphere ideal for ultra running newcomers. Finishers receive a commemorative coffee mug, and top finishers earn trophies and prizes. Visit the organization's website for the most recent information.

Race information

50 km
50k
Visit the organization's website for the most recent information.
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