TriWalloon
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Event overview
TriWalloon is scheduled for Saturday, July 18, 2026, at Legacy Marina Pro Shop in Walloon Lake, Michigan. The race program includes a Sprint Triathlon, Sprint Triathlon categories (Athena for females 165+ lbs and Clydesdale for males 220+ lbs), Sprint Relay, Sprint Aquabike, and Sprint Duathlon. Most individual sprint events list an entry fee of $100 and the Sprint Relay is $150. The Sprint Relay, Sprint Aquabike, and Sprint Duathlon are open to ages 13+. The race is organized by Bridge Street Ministries and 100% of proceeds are designated for that ministry.
Course and logistics
The swim is a 600 m triangular course starting and finishing at the docks of Legacy Marina. The transition area is adjacent to the park next to Barrel Back Restaurant. The bike is a 12.4 mile out-and-back route along country roads on the south side of Walloon Lake. The run is a two-loop course through Walloon Lake Township with a finish at the park next to Legacy Marina. The duathlon begins with one loop of the run course, then the bike, then the two-loop run; the aquabike includes the 600 m swim followed by the bike course.
Packet pickup and late registration are at Legacy Marina Pro Shop, 4069 M-75, Walloon Lake, MI 49796: Friday afternoon/evening before the race and on race morning. Packet pickup items include athlete bag, race bib and pins, bike number, swim cap, race shirt, course maps, and a timing chip that must be worn. Visit the organization's website for the most recent information.