White River Marathon
- Running
- Marathon
- Half Marathon
- 5k
Formerly known as the Arkansas Backyard Ultra Championship, the Cotter Bridge Ultra is a unique timed event. Runners start a 4.1667 mile lap every hour, with a 59 minute and 59 second time limit per lap. Different categories exist for 3, 6, and 12-hour races.
Venue: Big Springs Park in Cotter, Arkansas. The venue offers amenities like fishing, swimming, a rope swing, and a playground, making it family-friendly.
Course: A 2.08 mile out-and-back course on a mostly flat, soft surface of fine gravel, following the White River. It's designed to be scenic and easy to navigate.
Swag, Post Race, and Awards: Standard Syllamo Events swag includes a race shirt, stickers, and sponsor giveaways. Food and music are provided for runners and families. Awards are custom-made and vary annually.
Registration Closes: Tuesday, June 9, 2026, at 11:59 PM CT.
Event Dates: Saturday, June 13, 2026.
Start Time: 7:00 AM CT.
12 Hour Registration | $80.00 | View |
6 Hour Registration | $80.00 | View |
3 Hour Registration | $70.00 | View |
1 Hour Registration | $30.00 | View |
Help us keep everything accurate. Report any issues with this event.