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Ann Arbor Tri, Du, & Aquabike
Gregory, MI | Saturday, July 11, 2026TriathlonRegistration Open
Since 1986, the iconic and classic Ann Arbor Tri has been held in the Pinckney Recreation Area at Halfmoon Lake, one of the largest state parks in all of Michigan. You’ll swim the open waters of Halfmoon, bike the rolling paved country roads of the surrounding rural area, and then run the Potowatomi Trail. It’s a classic course you’ll come back to again and again. Choose Your Challenge! Olympic Triathlon — 1500 meter swim (64 lengths in a standard metric pool), 28-mile paved road bike, 5.3-mile trail run (Yes, its really an Olympic: ( USAT Distances Defined ) Sprint Triathlon — 750-meter swim (32 lengths in a standard metric pool),14-mile paved road bike, 3.5 mile trail run Olympic Aquabike (swim bike done) — 1500 meter swim, 28-mile paved road bike Sprint Duathlon — 2-mile paved run, 14-mile paved road bike, 3.5 mile trail run Olympic Relay — team up with one or two friends to complete our Olympic Triathlon together Sprint Relay — team up with one or two friends to complete our Sprint Triathlon together Park Entry A State Park permit or Recreation Passport is needed to enter Pinckney Recreation Area. Visit the Michigan Department of Natural Resources here for pricing and more information. Host Club The Ann Arbor Tri Club and the University of Michigan Tri Team will be your host clubs for this event. We are grateful to them for providing volunteers and bringing sharing their passion, dedication, and spirit to the Ann Arbor Tri! To learn more about Ann Arbor Tri Club, CLICK HERE . To learn more about The University of Michigan Tri Team CLICK HERE . To learn more about our club sponsorship program, CLICK HERE . Course Please note that in the interest of safety, all courses are subject to change at any time at the discretion of the race director. 750m Swim Course Map (2x for Oly) Duathlon 1st Leg Sprint Bike Course Map Olympic Bike Course Map Sprint and Mini Run Course Olympic Run Course USA Triathlon Distance Defined Start Times While start times are noted in the even
Elevation Gain:150 ft
Available Distances
Awards & Prizes
Age Groups, Awards, Finisher's Medal
All finishers receive a beautiful finisher's medal! Age Groups (Male/Female/Nonbinary Divisions) 14-15, 16-17, 18-19, 20-24, 25-29, 30-34, 35-39, 40-44, 45-49, 50-54, 55-59, 60-64, 65-69, 70-74, 75-79, 80+ Olympic/Sprint 1st Place Overall Male/Female/Nonbinary 1st Place Masters Male/Female/Nonbinary Top 5 in each age group Male/ Female/Nonbinary Aquabike & Duathlon 1st Place Overall Male/Female/Nonbinary 1st Place Masters Male/Female/Nonbinary 1st in each age group Male/Female/Nonbin
Participant Giveaway
Olympic Triathlon: T-Shirt
Sprint Triathlon: T-Shirt
Olympic Aquabike: T-Shirt
Sprint Duathlon: T-Shirt
Sprint Relay: T-Shirt
Olympic Relay: T-Shirt
1 Miles: T-Shirt
Olympic: T-Shirt
Sprint: T-Shirt
Olympic — Athena: T-Shirt
Olympic — Clydesdale: T-Shirt
Sprint — Athena: T-Shirt
Registration & Pricing
| Distance | Price | Opens | Closes |
|---|---|---|---|
| Olympic Triathlon | $142.00 | Nov 28 | Dec 31 |
| $149.00 | Jan 1 | Mar 30 | |
| $159.00 | Mar 31 | May 30 | |
| $169.00 | May 31 | Jun 29 | |
| $179.00 | Jun 30 | Jul 9 | |
| $199.00 | Jul 10 | Jul 11 | |
| Sprint Triathlon | $99.00 | Nov 28 |
Past Results
Aquabike
| Year | Finishers | Median Time | Fastest Time |
|---|---|---|---|
| 2024 | 10 | 2:17:30 | 1:38:06 |
| 2023 | 6 | 2:05:04 | 1:33:01 |
| 2022 | 14 | 1:33:30 | 1:08:15 |
| 2021 | 11 | 1:17:22 | 56:35 |
| 2019 | 14 | 1:19:34 | 59:14 |
| 2018 | 12 | 1:09:49 | 57:12 |
| 2017 | 17 | 1:12:25 | 51:26 |
Course Information
Parking and Recreation Passports
Course Maps
Please note that in the interest of safety, all courses are subject to change at any time at the discretion of the race director. 750m Swim Course Map (2x for Oly & OWS) Sprint 3.6 Mile Run Map Sprint 14.2 Mile Bike Course Map Olympic 5-Mile Run Course Map Olympic 28 Mile Bike Course Map Duathlon 1.5 Run Leg 1
Interested in this race?
