Wausaultra Single, Double, Limitless

WausaUltra Solo, Double, Limitless, May 1 to May 3, 2026

WausaUltra is a multi-day event held in Sylvan Park, Wausau, WI, offering three main participant options on the same 4.167 mile loop. The event uses a central home base in a small field that provides space for tents, aid, parking, and bathroom facilities. The loop returns to this home base every 4.167 miles.

Distances and formats

• Limitless: Repeat the 4.167 mile loop every hour until one participant remains.
• Solo: Run one 4.167 mile loop with a three hour time window.
• Double: Run two 4.167 mile loops totaling 8.334 miles with a three hour window.
• Kids race: Short surprise course under half a mile for ages 12 and under.

Course description The loop is mostly trail and hilly, with gravel approach sections, single track, and multiple climbs. Features described include a tubing hill climb, wooded sections, a roller coaster like descent, gentle bridges, and a creek crossing. The course is subject to change but will remain 4.167 miles and primarily trail based.

Entry and policies Limitless entry fee is stated as $200. Solo and Double fees vary by registration date: 1 loop $45 until December 31, 2025 then $55 after that date; 2 loop $55 until December 31, 2025 then $65 after that date. Registration closes April 29, 2026 and there are no race day sign ups. Registrations are final; refunds and deferrals are not offered. Transfers between individuals are allowed but arranging payment is the participants' responsibility. Solo and Double entrants must be 18 years old on race day or 18 with a parent or guardian present. Visit the organization's website for the most recent information.