5:30–6:30 PM
Open Water Swim
750 m swim · Festival event
Swim warmup 4:50–5:20 PMWave starts 5:30, 5:35, 5:40, 5:45, 5:50, 5:55 PM
Awards 6:30 PM
Wave starts 5:30, 5:35, 5:40, 5:45, 5:50, 5:55 PM
Awards 6:30 PM
Race Weekend
2027 Event Schedule
May 20–23 at Millennium Park in Grand Rapids. Select a day for its event windows.
Thursday lineup
Thursday, May 20, 2027
Wave starts 5:30, 5:35, 5:40, 5:45, 5:50, 5:55 PM
Awards 6:30 PM
Friday lineup
Friday, May 21, 2027
The three Super Sprint time trials share a 6–7:30 PM window; athletes choose one.
10–11 AM
Kickoff 5K
5 km run · Festival event
2–4 PM
Aquathlon
1,000 m swim · 5 km run · National championship
Swim warmup 1:20–1:50 PMWave starts 2:00, 2:03, 2:06, 2:09, 2:12, 2:15 PM
Swim course closes 3:00 PM
Course closes 4:00 PM
Awards 4:30 PM
6–7:30 PM
Super Sprint Triathlon
300 m swim · 7.6 km bike · 1 km run · National championship
Transition access, swim warmup, time-trial starts, bike checkout, then awards.6–7:30 PM
Super Sprint Duathlon
1 km run · 7.6 km bike · 1 km run · National championship
Transition access, run-start waves, bike checkout, then awards.6–7:30 PM
Super Sprint Aquabike
300 m swim · 7.6 km bike · National championship
Saturday lineup
Saturday, May 22, 2027
8 AM–12 PM
Draft-Legal Sprint Duathlon
5 km run · 20 km bike · 2.5 km run · National championship
Transition access, staggered starts, bike checkout, then awards.2–7 PM
Standard Aquabike
1,500 m swim · 40 km bike · National championship
Transition access, swim warmup, wave starts, bike checkout, then awards.Sunday lineup
Sunday, May 23, 2027
8 AM–1 PM
Standard Duathlon
10 km run · 40 km bike · 5 km run · National championship
Transition access 6:15–7:45 AMWave starts 8:00, 8:02, 8:04, 8:06, 8:08, 8:10, 8:12, 8:14 AM
Bike checkout 12:00–1:00 PM
Bike course closes 12:15 PM
Course closes 12:45 PM
Awards 1:15 PM
Events & Courses
See the distance and qualification status for each race.