The Dusk to Dawn Relay Race is an Ultra and team relay event on Utah's Bonneville Salt Flats. The race starts at sunset and ends at sunrise, around a 2-mile loop course.

If you decide to take a break during the night, enjoy giveaways, games, music, and friends. A deluxe pancake breakfast is provided at the end of the race, with any donations going to charity.

How many miles will you run from sunset to sunrise??

Upcoming Races

Sep 3 2021
11 Hours
2-mile loop run from sunset to sunrise (11 hours) on the Bonneville Salt Flats International Speedway in Utah's west desert. Course is flat and salty, and feels like packed dirt.
Multiple Loop Course
1 Aid Stations
11 :00 Cutoff
1 Elevation Rating
Flat or nearly flat
1 Surface Rating
Paved or very smooth surface


11 Hours View course top times

Date Finishers Top Result Top Result (F)
08/21/20 Race Cancelled
08/30/19 3 30.78 27.36
We try to keep the most accurate information about this race, but changes do happen. Always visit the official race website for the most up to date information. If you see an error, please let us know
Dusk to Dawn Relay Race at the Bonneville Salt Flats Utah Dusk to Dawn Relay Race at the Bonneville Salt Flats Utah

Sri Chinmoy 7 & 13 Hour Races

  • Sep 5, 2021
  • Seattle, WA
7 Hours 13 Hours