Wausaultra Single, Double, Limitless

Wausau, United States • 1-3 May 2026

Event Format

The WausaUltra is an event with three formats taking place on consecutive days. The Limitless format is a "backyard ultra" or "last runner standing" event. It starts on Friday and continues until one participant remains, or until Sunday at midnight. Runners complete a 4.167-mile loop, starting every hour on the hour.

The Solo and Double formats take place on Saturday. Participants run the same 4.167-mile loop either once (Solo) or twice (Double), for a total of up to 8.334 miles. A time limit of three hours is given for both distances.

A free kids' race, expected to be less than half a mile, is also held on Saturday for children aged 12 and under.

Course Information

All events use the same course, which is a 4.167-mile loop through Sylvan Park in Wausau, Wisconsin. The course is described as hilly and mostly trail, with multiple climbs and descents. The start, finish, and a home base area with facilities for participants are located in a small field within the park.

The course includes sections on a gravel path and single-track trails through woods. While the course description is provided, it is noted that it may be subject to change prior to race day. Visit the organization's website for the most recent information.

Registration Details

  • Registration closes on the Wednesday before the event.
  • No race day sign-ups are available.
  • Once registered for a race, the registration is final. Deferrals or rollovers to another year are not offered.
  • Participants may transfer their registration to another individual.
  • Participants registered for the Limitless format may switch to the Solo or Double format, but no refund for the price difference will be given.

Race information

8 mi
Double
4 mi
Solo
Limitless
Visit the organization's website for the most recent information.
Trail runs nearby

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Experience a grassroots wilderness race at the Underdown Trail system in Merrill. Choose between various trail running and mountain bike distances featuring glacial hills, singletrack paths, and scenic boardwalks.

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