2026 Ann Arbor Marathon
Ann Arbor Marathon: a spring race through campus, downtown, and along the Huron River.
Race Date
Oct 3, 2026
Location
Ann Arbor, MI
Quick facts
- Date
- Saturday, October 3, 2026
- Location
- Ann Arbor, Michigan
- Distance
- Half marathon (13.1 mi)
- Course
- Point to Point
- Terrain
- Road
- USATF certified
- Not listed
Highlights
Atmosphere
The Experience
The Ann Arbor Marathon (including half, 10K, and 5K) draws roughly 660 finishers from about 25 states for an early‑spring race that starts near the iconic “Big House” stadium. First run in 2012, the event has grown into a local institution, with about 17% of runners returning year after year.
The point‑to‑point course winds through the University of Michigan campus and downtown Ann Arbor before tracing stretches of the Huron River. The late‑March date typically offers mild weather (55–75°F) and minimal rain, making it a reliable early‑season test. While the field is modest, the winning time for the half marathon (around 70:33) hints at a course that can reward speed.
The finish line on campus is followed by a post‑race party that celebrates the achievements of all participants. With its scenic blend of college town energy and riverside paths, the Ann Arbor Marathon offers a distinctively Midwestern running experience that feels both intimate and festive.
Race-provided description
Take to the scenic streets of Ann Arbor in late March for the Probility Ann Arbor Marathon, brought to you by Epic Races and Champions for Charity. With a variety of running events that appeal to all ages and abilities, you’ll find that the Probility Ann Arbor Marathon is your ideal early-spring race, whether you’re walking your first 5K or running your 50th marathon.Set for its annual running here at the home of the University of Michigan, the Probility Ann Arbor Marathon, Half Marathon, 10K & 5K runs along a point-to-point course that starts and finishes on the UM campus and features views of the city’s downtown as well as stretches along the winding Huron River.If you’re a college football fan, the starting line is likely to be quite familiar to you — it’s near the northwest corner of the University of Michigan Wolverines football stadium on Main Street, also known as the “Big House.”
Course Info
Course Type
Point to Point
Terrain
road
Scenery
Urban, Lake River
Surface
Paved
Difficulty
Rolling Hills
Quality Score
Standout638 years running
~660 finishers a year
shrinking
17% returning runners
6 photos
runners from 25 states
winner 1:10:33
typical high 75°F
Race Day Weather
5-year historical avgStart (Low)
55°
Afternoon (High)
75°
Warm — hydration strategy is key, start conservatively
0.0"
Precipitation
9 mph
Wind
70%
Humidity
Race Photos
Frequently asked
When is the 2026 Ann Arbor Marathon?
The 2026 Ann Arbor Marathon is held on Saturday, October 3, 2026.
Where does the 2026 Ann Arbor Marathon take place?
It takes place in Ann Arbor, Michigan.
What distances does the 2026 Ann Arbor Marathon offer?
The half marathon (13.1 miles).
Is the 2026 Ann Arbor Marathon course flat and good for a PR?
The 2026 Ann Arbor Marathon is a rolling hills, point to point course.
HalfRuns editorial — independent, no paid placement.
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