Course DescriptioN

The 50-kilometer course offers an end to end tour of Antelope Island, combining runnable shoreline trails and rugged backcountry terrain. With wide-open views of the Great Salt Lake and frequent wildlife sightings, this course captures the essence of running on the island.

The race begins at the Marina, where runners head out on the Mountain View Trail for the opening 6 miles. This smooth, runnable section allows the field to spread out early before reaching the first aid station at Lower Frary (mile 6.1).

After aid, runners continue on Mountain View for 5.75 miles of rolling terrain to the Fielding Garr Ranch aid station (mile 11.75). From here, the course transitions onto the South Island Trail and into the Sentry Loop, winding through quieter and more remote sections of the island.

The route then moves onto the Buffalo Scaffold (West Side Trail) for a 5.6-mile stretch along the island’s western edge. This section is more rugged and exposed, with loose footing, short climbs, and expansive views across the lake. Wildlife sightings are common here, particularly bison and pronghorn in the grasslands below.

At the Split Rock junction, runners turn right onto the Split Rock Loop for 2.6 miles of brief uphill and then flat to rolling, exposed terrain that can feel deceptively demanding late in the race.

At the Elephant Head junction (mile 23.6), runners receive aid again.From there, the course connects to the White Rock Loop. Runners pass through the White Rock aid station (mile 28.9) before continuing along the fence line for 2.4 miles back to the Mountain View junction.

Once back on Mountain View, it’s just 1.2 miles to the finish at the Marina, completing a special tour of the island’s peaks, ridgelines, and shoreline.