
From the Organizer
TriMillennium is a sprint and olympic distance triathlon, duathlon, and aquabike race hosted in the beautiful Millennium Park, located on the west edge of Grand Rapids. TriMillennium is one of the local favorites for the West Michigan multi-sport community. Located on the edge of Grand Rapids, TriMillennium is easily accessible with ample parking at the park. Athletes and spectators alike will enjoy this race.
Whether you are a brand new athlete, or a seasoned veteran, TriMillennium is a great race for you. The shallow waters of Millenium Park offer pleasant and calm water. And our flat a fast bike and run courses make TriMillennium a great option for your “A” race, your first race, or anywhere in between.
100% of the proceeds from the race will go toward the continued work of the Bridge Street Ministries, an urban ministry located in the West Side of Grand Rapids, MI.
Events
Weather
It's too far out for a forecast, so here's what weather on this date is normally like in the area. A race day forecast will replace this as race week approaches.
Typical High
83°
Typical Low
61°
Chance of Rain
30%
Based on US Climate Normals data from E Grand Rapids, 3 mi from the venue.
Host City
Population
197,768
as of 2023
Elevation
741 ft
Nearest Airport
GRR
Gerald R. Ford International Airport · 8 mi
Time Zone
Eastern Time
From Endurance Grid
A mid-size host city. Enough lodging and amenities to keep race weekend easy, without big-city sprawl.
Race Location
Your Next Start Line
Every finish line starts with a single decision. Claim your spot at myTEAM TRIUMPH West MI - Tri Millennium Sprint -- Captain & Angel Registration, put it on the calendar, and turn “someday” into a start date.
47
Days to train
Coming Up
Cereal City Athletics Youth Tri Club
45 miles away
River Trail Adventure Triathlon
13 miles away
South Haven Triathlon
51 miles away
Grand Haven Triathlon
29 miles away
From Endurance Grid
Endurance Grid is here to help you understand the sport, decide if it's the right fit, and learn how to prepare. For course distances, logistics, and race-day specifics, always defer to the race organizer's event page.
Three sports, one race — swim, bike, run in sequence, with transitions that are a discipline of their own.
Open water, open roads, and competition with yourself. Cross the finish line knowing what it took to get there.
Swim, bike, run — back to back. The sprint distance makes it far more accessible than most people think.
Frequently Asked Questions (FAQs)
myTEAM TRIUMPH West MI - Tri Millennium Sprint -- Captain & Angel Registration
Jul 25, 2026