MI Triathlon Championship
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MI Triathlon / Duathlon Championship : Belle Isle State Park
The MI Triathlon / Duathlon Championship takes place on Sunday, September 6, 2026, at Belle Isle State Park in Detroit, Michigan. The event is staged on the island in the Detroit River and notes the river and city skyline as part of the venue setting. It is presented as a combined triathlon and duathlon championship held over the Labor Day weekend.
The championship program includes multiple race formats: Olympic Triathlon, Sprint Triathlon, Super Sprint Triathlon, Duathlon, Olympic Aquabike, Sprint Aquabike, Olympic Triathlon Relay, and Sprint Triathlon Relay. Published entry fees on the event pages range from $75 for the Super Sprint to $195 for the Olympic Triathlon Relay. Many events have a scheduled price increase after February 28, 2026, and the Super Sprint registration closes on September 3, 2026.
Race-related information on the event pages covers swim, bike, and run courses as well as transition areas, body marking, wetsuit policy, parking, amenities, and awards. The event listing identifies MI Triathlon / Duathlon Championship as the organizer and notes event management involvement from 3 Disciplines Racing. Visit the organization's website for the most recent information.
