Antelope Island Buffalo Run

Antelope Island, United States • 13 Mar 2027

Antelope Island Buffalo Run : Spring Classic

The Antelope Island Buffalo Run is a spring trail running event held on Antelope Island with views of the Great Salt Lake, singletrack through desert grasslands, and wild bison present along the course. The event includes multiple race distances and traces its history to 2006, when it began with about 150 runners in two distances.

Distances offered:

  • 50 Miles: ~3,428 feet of gain.
  • 50K / 31 Miles: ~3,038 feet of gain.
  • 25K / 16.48 Miles: ~1,687 feet of gain.

The event for 2027 is scheduled for Saturday, March 13, 2027, with registration listed as coming soon. Entry fees vary by distance and registration date. Early rates until December 31 and later rates until March 28 are published for each distance. Race fees do not include processing fees or taxes.

Pentalon Construction sponsors a prize purse for course record breakers. The sponsor offers monetary awards for breaking the course records in each distance, with specified amounts allocated separately for the 50 Mile, 50K, and 25K events.

The Buffalo Run emphasizes natural scenery and multi-distance trail running on Antelope Island. Additional detailed course information is maintained for each distance. Visit the organization's website for the most recent information.

Race information

50 mi
50 Mile
50 km
50k
25 km
25k
Visit the organization's website for the most recent information.
Trail runs nearby

Trail races in Salt Lake City offering 50 miles, 50K, half marathon, and 10K courses through the foothills with substantial elevation gain; bib pick up the day before and prize money for the 50K and half marathon.

An ultraloop on a hilly 7.7 mile circuit with a strict two hour lap cutoff and self supported format. Laps alternate direction and top finishers receive shoes and per lap cash prizes.

Three evening 5 km trail races on the Bonneville Shoreline Trail in Ogden with limited fields, race awards, and proceeds supporting local trails.

Mountain trail races near Tooele, Utah offering a 55K, a half marathon, and an 8.5 mile course. Routes feature steep canyon roads, high-elevation single-track and ridgelines with substantial vertical gain; the event is USATF sanctioned.

Add Event
Help us complete the calendar!
  • Distance is at least 5 km
  • Event has a website or Facebook page
Website
Optional: Please provide your e-mail address if we may contact you.
Report a change
We will only update the data if the information is also on the website.