Cotter Bridge Ultra

JUN
13
2026
A timed, lap-based running event at Big Springs Park in Cotter, Arkansas, where runners complete repeated 4.1667 mile laps within a 59 minute 59 second limit. Race options include 1, 3, 6, and 12 hour formats and a riverside out-and-back course.
Sat 13 Jun 2026
1 Hour 3 Hour 6 Hour 12 Hour

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Cotter Bridge Ultra

Cotter Bridge Ultra is a timed, lap-based running event held at Big Springs Park in Cotter, Arkansas. The event evolved from a backyard ultra format and uses repeated fixed-distance laps with a strict time limit per lap.

All participants run the same lap distance of 4.1667 miles and must complete each lap within 59 minutes and 59 seconds. Each lap is started together, and laps repeat in sequence until a runner stops or their chosen race duration ends.

Available race options and equivalent distances:

  • 1 Hour race: distance varies by laps completed
  • 3 Hour race: 12.5 miles
  • 6 Hour race: 25 miles
  • 12 Hour race: 50 miles

The course layout is a 2.08 mile out-and-back that follows the White River. The route is mostly flat with a soft surface, generally fine gravel, and a width of about 8 to 10 feet. The course has no turns that could cause navigation issues and is described as scenic.

The venue includes on-site recreational features such as fishing, swimming, a rope swing, and a playground. Nearby lodging options include multiple campgrounds and historic vacation rentals within about a mile of the park.

Event amenities include a race shirt, stickers, sponsor giveaways, optional merchandise for purchase, provided meals for registered runners, and custom awards that vary by time and distance. Visit the organization's website for the most recent information.

50 mi
12 Hour
25 mi
6 Hour
13 mi
3 Hour
4 mi
1 Hour