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Welcome to Battle of Waterloo

July 27, 2025
Grass Lake, MI

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10-leg bucket list adventure triathlon

July 27, 2025
Grass Lake, MI

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Conquer the full battle or half the battle

July 27, 2025
Grass Lake, MI

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Experience a beautiful and rugged course

July 27, 2025
Grass Lake, MI

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Are you ready to do battle?

July 27, 2025
Grass Lake, MI

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Battle of Waterloo

Featured in Triathlete Magazine as a bucket list tri, Battle of Waterloo is a unique adventure triathlon with 10 legs totaling 42 miles that traverse the sprawling Waterloo Recreation Area, one of the most rugged and beautiful parks in the Midwest. You’ll bike paved remote roads, run winding dirt lanes, climb steep trails, and swim across three wilderness lakes… carrying your shoes and swim gear with you the entire time. Don’t have that much time? Try Half the Battle: 6 legs, 18 miles of the same terrain.
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Battle of Waterloo

$275 7:30AM EDT Price increases after December 22, 2024 at 11:59pm EST

Half the Battle

$175 7:30AM EDT Price increases after December 22, 2024 at 11:59pm EST

Are you ready for the battle?

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Athlete Testimonial:

"...The level of difficulty was perfect, the course was amazing and I now know a lot more of SE Michigan now than I did before. I still can't believe how much I enjoyed the swims. Some of it might have been the mist hanging on the water, but all three lakes were breathtakingly beautiful. That's a great way to break up a half marathon. And I'd have to say Mill Lake was my favorite. Weeds didn't seem to be a problem and it was so peaceful and quiet on the water..."
-Mark

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