Sisu Backyard Ultra at Lake Rebecca
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SISU Backyard Ultra at Lake Rebecca
The event is scheduled for September 5, 2026, at Lake Rebecca in Rockford, Minnesota, with the venue listed as 9831 Rebecca Park Trail. It uses the backyard ultra format and is open to individual runners.
The race format requires runners to complete a 4.167-mile loop every hour. Runners who finish the loop with time remaining may rest or refuel before the next hour begins. If a runner does not complete the loop within the hour or cannot start the next loop on time, that runner is out of the race. There is no fixed finish line; each participant’s distance depends on how many loops they complete.
The course at Lake Rebecca includes a mix of gravel, asphalt, and trail surfaces and is used during both day and night segments of the event. The event offers a sauna and a swim option after running.
The event description references the Finnish concept of sisu, described as determination, toughness, and resilience, as an organizing idea for the race experience. Registration opens June 12, 2026 at 12:00 AM Central Time. Visit the organization's website for the most recent information.
