Ann Arbor Marathon

OCT

3-4

2026

A multi-distance race weekend in Ann Arbor with marathon, half marathon, 10K, 5K, relays, kids runs and virtual options. Courses run through downtown, the University of Michigan campus, along the Huron River, Gallup Park and Nichols Arboretum.

3-4 Oct 2026

Ann Arbor, Michigan

Website Registration

26 miles 13 miles 10 kilometers 5 kilometers

Always double-check with the organizer's website! This page may contain affiliate links.

Trinity Health Probility Ann Arbor Marathon

The Trinity Health Probility Ann Arbor Marathon is a multi-event race weekend held in Ann Arbor, Michigan on Saturday October 3 and Sunday October 4, 2026. All distance races start in downtown Ann Arbor at 209 S Ashley St. The event supports local mental health charities under the slogan E-Race the Stigma.

Courses pass through the streets of downtown Ann Arbor and the University of Michigan campus. The marathon, half marathon, and 10K also include stretches along the Huron River, Gallup Park, and Nichols Arboretum before returning to campus and downtown. The Ann Arbor Marathon course is USATF certified and serves as a qualifier.

Offered event formats include a mix of in-person and virtual options and entries for teams and kids. Race services and participant resources mentioned for the event include course maps, parking, an early start option, pacers, a marathon relay division, a half marathon walking division, on-course fluids and food, gear check, participant tracking, shuttle buses, an expo and packet pickup, and results reporting.

Distances and key event options: Visit the organization's website for the most recent information.