SINCE 1974
Ann Arbor Track Club invites you to our 52nd running of Michigan's scenic Dexter-Ann Arbor Half Marathon, 10K, 5K and Kids Run, presented by Trinity Health IHA Medical Group.
HALF MARATHON
2,499 spots left. Price increases after October 31, 2025 at 11:59pm EDT
10K
1,250 spots left. Registration Opens August 15, 2025 at 9:40am EDT
KIDS RUN
300 spots left. Registration Opens August 15, 2025 at 9:21am EDT
EXPO BOOTH
15 spots left. Registration Opens August 15, 2025 at 9:21am EDT
REFER FRIENDS & GET REWARDED
When five (5) other people use your personal referral link to register for a Dexter-Ann Arbor run, you will receive a Custom "Run the River" 28 Oz Tumbler. When ten (10) other people regsiter with your lin, you will receive the Tumbler AND a custom "Run the River" Long Sleeve Shirt. Each registrant will receive a custom referral url in the confirmation email to share with friends, family and on social media. Your connections are signing up anyway. Refer them with your link and get some bonus swag when they do. Register to be among the first to see the referral swag once it's published.

SOME OF WHAT YOU GET
SCENIC COURSE • SHUTTLES TO START LINES • CUSTOM FINISHER MEDAL • CUT SPECIFIC TECH SHIRT • EXPO & EARLY PACKET PICKUP • FINISHER CERTIFICATE • ONLINE RESULTS • OVERALL & AGE GROUP AWARDS • QUALITY REFRESHMENTS • INSTANT FINISH PHOTOS + MORE
CUSTOM TECH-SHIRT
Custom design on black tech shirt publishing soon.

Since 1974, the beautiful shaded backwoods of the Huron River region provide the setting for the annual Ann Arbor Track Club’s, Dexter to Ann Arbor Half Marathon. Runners will start the half marathon in the picturesque town of Dexter, Michigan and head east for a scenic, rolling 13.1 mile course along beautiful Huron River Drive to the finish line in historic Downtown Ann Arbor — a Road Runners Club of America’s top Runner-friendly Community in the United States.
10K • 5K
Kicking off the morning races at 7:15am, this out-and-back 10K (6.2 mile) course starts and finishes in downtown Ann Arbor, featuring a beautiful stretch along scenic Huron River Drive in both directions.
The Athletico 5K (3.1 mile) run/walk is a great way for the whole family to take part in the Dexter-Ann Arbor Runs on a point-to-point route that features a unique start line and scenic views of the Huron River and Downtown Ann Arbor.
