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Ann Arbor Tri, Du, & Aquabike

Saturday, July 11, 2026
Halfmoon Lake, Pinckney, Michigan

USA Triathlon Rules

This race is sanctioned by USA Triathlon (USAT) therefore all participants must have an annual membership or purchase a one-day membership.  These options will be available during the registration process.  The annual membership fee is $50 and the one-day fee is $15.  To learn more about USAT visit https://www.teamusa.org/USA-Triathlon/.  

Click here to see USAT’s competition rules

Because our triathlons are sanctioned by USA Triathlon (USAT), we follow their wetsuit rules.  Competitors may wear wetsuits if the water temperature is 78 degrees or lower.  USAT rules also state that if the water temperature is between 78.1 and 83.9 degrees, competitors may wear wetsuits but will not be eligible for awards.

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