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Tri Millennium

Race Day Answers, and Beyond.

The details athletes ask most, gathered in one place.

Find your answer.

Before You Go

Adult packet pickup is Friday, July 23, 3:00–6:00 PM at Striders in Grandville, or Saturday, July 24, 5:30–6:30 AM near transition. Race-morning pickup is free. Kids pickup is Friday, 5:00–5:45 PM at Millennium Park.

RunSignup currently shows the 2026 edition. Check RunSignup for current registration availability and pricing.

Read the race team’s final email before leaving home. Follow on-site announcements for start waves, arrival directions, course changes, and race-day instructions.

Your Course and Race

Sprint triathlon uses a 750 m swim; Olympic uses a 1,500 m swim. The swim is in the inland water at Millennium Park. Check race-day water conditions and safety guidance in your final race communication.

Sprint uses a 20 km bike course; Olympic uses a 40 km course. See the official Ride with GPS bike maps on the Courses page.

Sprint finishes with a 5 km run; Olympic finishes with a 10 km run on paved park trails. See the official run maps on the Courses page.

Sprint and Olympic distances also offer duathlon, aquabike, and relay. Aquabike uses the same swim and bike courses; relay teammates share the legs of their selected distance. Sprint duathlon is a 2.5 km run, 20 km bike, and 5 km run; Olympic is a 5 km run, 40 km bike, and 10 km run.

The kids race is Friday, July 23, at 6:00 PM. See the Kids Triathlon page for age groups, distances, and your Friday plan.

Race Weekend and After

Your entry includes a custom tri-blend participant shirt, a finisher medal, free race photos, and Michigan Triathlon Series entry. You’ll race a marked course with volunteers, police at designated intersections, and aid stations for your distance. Enjoy food and drinks at the finish, with awards and prizes for eligible finishers.

Triathlon awards recognize the top three overall male and female finishers, Clydesdale men, Athena women, and age groups from 19 and under through 80+. Confirm your award category and eligibility in RunSignup.

Explore volunteer vouchers, a shirtless entry option, team discounts, and the Jon & John Life Sucks Scholarship. Email info@tris4health.com for eligibility and availability.

Tris4Health’s policy covers race-entry refunds, deferral vouchers, and athlete transfers. Fees and merchandise have exclusions. Read the current policy before making an entry change.

Getting Here and Getting Involved

At the Millennium Park recreation area in Walker, Michigan. Follow final race communication for the designated arrival entrance.

On-site parking is available at the park. Allow time to park, collect your packet if needed, and set up transition before it closes.

Late July can be warm. Water and weather conditions can change; read the race team’s final communication and follow on-site safety instructions.

Volunteers help at registration, aid stations, and the finish. The event provides a meal and shirt. Check the official listing for shifts or email volunteer@tris4health.com.

A portion of proceeds benefits Bridge Street Ministries. Tri Millennium is part of the Michigan Triathlon Series, with no extra series entry fee or separate sign-up.

Plan your weekend.

See packet pickup and start times together.

Race Weekend →