Trinity Health Probility Ann Arbor Marathon
Updated
Sunday, October 3, 2027 (race weekend from Saturday, October 2, 2027), first start 6:00 AM, in Ann Arbor (209 S Ashley St). Distances: 5K, 10K, Half marathon, Marathon. Entry from $35 to $173; the Marathon goes from $87 to $140 after January 31.
Course and race notes
Trinity Health Probility Marathon and Half Marathon.
Climate Week 5K & 10K presented by the University of Michigan and City of Ann Arbor. Running toward a sustainable future. Join us in downtown Ann Arbor for the 16th running of the Trinity Health Probility Ann Arbor Marathon!
In the organizer's words, from the race's own listing.
Race details
Date
Oct 2 to Oct 3
Main race Sun Oct 3 · in 330 days
Start time
6:00 AM
Earliest wave on Sun
Course
Road or path
Paved course
Distances
5K10KHalf marathonMarathon
Price
$35 to $173
Plus the platform's processing fee
Marathon goes up after Sun Jan 31 (in 85 days)
Registration
Open
Online signup closes Sun Oct 3 (in 330 days)
Opened Oct 13, 2026
Race day in Ann Arbor
Weather
68° / 43°F
Typical high and low for October 3, with a 40% chance of rain.
NOAA 1991–2020 climate normals, Ann Arbor Se, MI (3.9 mi away). Averages, not a forecast; a forecast appears here a week out.
Daylight
7:32 AM – 7:15 PM
Sunrise and sunset on Sunday. The 6:00 AM start is 92 minutes before sunrise, so bring a light and something reflective.
Calculated for the race location.
Near the start
Pin from the race's listed address. The start line can differ; check the race website for the course map. Directions
Parking
- First & Washington Parking Structure · paidunder 0.1 mi
- South Ashley Parking Lot · paid0.1 mi
- Fourth & Washington Parking Structure · paid0.1 mi
67 public lots and garages within 0.6 mi.
Places to eat
- Sweetwaters cafeunder 0.1 mi
- The Earle restaurantunder 0.1 mi
- Frita Batidos restaurantunder 0.1 mi
- Recess Work & Play Cafe cafeunder 0.1 mi
137 places to eat within 0.6 mi.
Nearest public restroom: 0.3 mi from the start.
Distances are straight-line from the race address. Check the race website for official parking.
Plan your trip
For the night before, Sat Oct 2
Where to stay
11 within 1 mi (about a 20-min walk)31 within 3 mi41 within 5 mi
Hotel
Hotel 1 of 5: Residence Inn Ann Arbor Downtown
About 2 min walk0.1 mi from the start
Hotel
Hotel 2 of 5: Embassy Hotel
About 3 min walk0.1 mi from the start
Hotel
Hotel 3 of 5: AC Hotel Ann Arbor Downtown
About 4 min walk0.2 mi from the start
Hotel
Hotel 4 of 5: Graduate by Hilton Ann Arbor
About 9 min walk0.4 mi from the start
Hotel
Hotel 5 of 5: Bell Tower Hotel
About 10 min walk0.5 mi from the start
More places on the map
See all places to stay near Ann Arbor, MI ↗
Prices checked November 4, 2026 and can change. Confirm on the booking site before you book. We may earn a commission at no cost to you.
Places from OpenStreetMap. Straight-line distances, so times are rough.
Getting there
- DTWDetroit Metropolitan Wayne County Airport21 miFlights arriving Oct 2 into DTW ↗
- YQGWindsor International Airport41 miFlights arriving Oct 2 into YQG ↗
- GRRGerald R. Ford International Airport99 miFlights arriving Oct 2 into GRR ↗
Prices checked November 4, 2026 and can change. Confirm on the booking site before you book. We may earn a commission at no cost to you.
Airports from OurAirports, straight-line distance. Flights open on Google Flights.
Trip cost
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Total $0
Race entry starts at the lowest listed price, before the platform's fee.