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The Portage Lake Unit of Waterloo State Recreation Area

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11500 Seymour Road
Grass Lake, MI 49240 United States

Upcoming Events

June 2018

Tri Goddess Tri Weekend: Celebrating 10 Epic Years

June 22 - June 24

Tri Goddess Tri made its debut 10 years ago to celebrate women of all abilities and inspire them to reach new heights of health and set new fitness goals by training for and completing a triathlon. The first-ever all-women’s triathlon/duathlon in Michigan, Tri Goddess Tri is organized by women who know how to make your first (or hundredth!) triathlon tons of fun! The event is held just 12 miles west of Chelsea at the Portage Lake Unit of Waterloo State…

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August 2018

Ugly Dog Triathlon: A “Road Optional” Event

August 25 @ 7:30 AM - 5:00 PM
|Recurring Event (See all)

“I don’t know if you’ve noticed, but gravel, or allroad, is kind of a triathlon thing. Just look at the front page of the Slowtwitch Forum right now. Maybe three threads on it, right now, on gravel, the bikes, the races. Gravel is really where road and tri meet. Multisport gravitates to it because we like tech – a lot – and we like moving from one endurance paradigm to another.” – Dan Empfield Read more about Road Optional here. For…

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July 2019

The Battle of Waterloo and Half the Battle

Sunday, July 21, 2019 @ 7:30 AM - 2:30 PM

The Battle of Waterloo and Half the Battle Yes, you read the date correctly.  The next event will happen in 2019.  This odd race only happens during odd years so catch it when you can! A portion of this event’s proceeds go to benefit our featured charity, Team RWB. Searching for a true test of your triathlon skills? Look no further than the Battle of Waterloo, featuring 10 legs totaling 42 miles that traverse the sprawling Waterloo Recreation Area, one…

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