Riverbend Ultras 12 Hr/50k
Jupiter, United States • 12 Sep 2026
Riverbend Ultras 12 HR/50K - Jupiter, FL
Riverbend Ultras takes place at the River Pavilion on Picnic Island in Riverbend Park, Jupiter, Florida. The course follows gravel trails along the Loxahatchee River and includes a section of the Lake to Ocean Trail, running through oaks and cabbage palms with regular wildlife sightings such as deer, turkey, turtles, raccoons, and various birds.
Event formats
- Fun Run: roughly 5k loop (3.2 miles), not timed, no awards.
- 50K: two 0.85 mile Picnic Island loops plus nine 3.25 mile Riverbend loops, 31.2 miles total.
- 12 Hour: complete as many 3.25 mile Riverbend loops as possible within the time limit.
For the 12 hour format, runners complete repeated Riverbend loops and will move to the Picnic Island loop late in the event for the remainder of their time. Trophies are awarded for 1st place male and female in each distance. All 50K and 12 hour entrants receive shirts and medals. Fun Run entrants pay a nominal fee that covers a donation and a medal, and may add a t shirt; Fun Run entries are not timed and do not qualify for awards.
The event is self supported; participants are expected to manage their own needs and potluck snacks are common. This is a non profit endeavor and proceeds beyond basic overhead benefit the local Florida Trail Association chapter. No refunds are offered; registrations may be deferred to the following year and forfeited fees will be submitted as donations. Organized by Mule Racing.
Registration closes Fri, Sep 11 at 11:59 PM ET. Visit the organization's website for the most recent information.