Battle of Waterloo Adventure Triathlon
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Battle of Waterloo Adventure Triathlon
The Battle of Waterloo is an adventure triathlon held at Big Portage Lake in Waterloo State Recreation Area, 11500 Seymour Road, Grass Lake, MI 49240. The full course covers approximately 42 miles across ten legs that alternate running, cycling, and open-water swims. The shorter option, Half the Battle, covers approximately 18 miles across six legs.
- Full Battle: 42 miles (ten legs)
- Half Battle: 18 miles (six legs)
The full course sequence is run, bike, swim, run, swim, run, swim, run, bike, run, with roughly 1.5 miles of swimming, 26 miles of cycling, and 13 miles of running in total. Swim legs cross Clear Lake, Mill Lake, and Crooked Lake. Terrain includes paved remote roads, winding dirt lanes, steep trails, and lake swims; participants carry shoes and swim gear between legs. Portable toilets are located at Clear Lake, Mill Lake, Crooked Lake, and Park Headquarters.
The race is sanctioned by USA Triathlon, so participants must hold an annual membership or purchase a one-day membership and follow USAT wetsuit and competition rules. Water temperature rules determine wetsuit eligibility and award eligibility. The event is held in a Michigan State Park and requires a Recreation Passport for park entry. Course layouts and details are subject to change for safety. A post-race meal is provided and the event follows Leave No Trace zero waste practices. Visit the organization's website for the most recent information.
