Tri Millennium
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Event overview
Tri Millennium takes place on July 24-25, 2026 in Millennium Park, Walker / Grand Rapids, MI (1400 Maynard Ave SW, Walker, MI 49534). The event includes Olympic and Sprint distance options for triathlon, duathlon, and aquabike, plus kids triathlon races for three age groups. Relay options are offered for both Olympic and Sprint distances in two- and three-person teams. Registration prices listed for 2026 range by event type.
Course and distances
- Olympic: 1,500-meter swim, 24.8-mile bike, 6.2-mile run
- Sprint: 750-meter swim, 12.4-mile bike, 3.1-mile run
- Kids Tri: ages 6-8, 9-11, 12-15
The inland waters at Millennium Park are described as typically calm. The bike route follows rolling roads around the park and the run uses paved park trails.
Additional details
Price ranges shown in the event information are: triathlon/duathlon/aquabike $109 - $119, relay $38 - $79.50, and kids $45. Professional timing is provided by Trivium Racing. The event lists Bridge Street Ministries as its charity partner and states that 100% of donations from Tri Millennium support that organization. Visit the organization's website for the most recent information.
