Bad Ass Backyard Ultra - Rio Linda, CA
Rio Linda, United States • 28 Mar 2026
Event Format
The Bad Ass Backyard Ultra follows the traditional Backyard Ultra format. Runners have one hour to complete each loop. Each new loop begins precisely on the hour. If a runner is not in the start corral ready to begin the next loop at the designated time, they are eliminated. The runner who completes the most loops is the winner.
Course and Location
The event takes place at Dry Creek Parkway in Rio Linda, California, which is in northern Sacramento. Each loop is 4.16 miles long.
Affiliation and Opportunity
This is an affiliated Backyard Ultra event. Participation makes runners eligible to earn a spot on a National Team for the Satellite Team Championships and for the World Individual Championships at Big’s Backyard in Tennessee.
Event History
The event was originally created as a fatass event in 2023. It became an official event in 2024 through a collaboration. For a period, the event was under the Singletrack Running umbrella but has since returned to being organized by Skybreaker Racing. Visit the organization's website for the most recent information.