In 4 days · Sat, Oct 3, 2026
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Saturday, October 3rd, 2026
209 S Ashley St, Ann Arbor MI
Marathon · Half · 10K · 5K
52–69°F · some rain risk
See last 10 years
On this date: rain 2 of the last 10 years
2025
51–84°F
dry
2024
51–73°F
dry
2023
57–82°F
dry
2022
41–63°F
dry
2021
64–74°F
rain
2020
40–56°F
dry
2019
55–70°F
rain
2018
53–79°F
dry
2017
56–80°F
dry
2016
52–66°F
dry
Best months to race in Michigan →
Race-day forecast · Saturday, Oct 3
Cloudy · 42–63°F
Saturday, Oct 3starts near 42°F · 11% chance of rain · wind up to 10 mph
About this race
Trinity Health Probility Ann Arbor Marathon
Date and Location
- Date: 2026-10-03
- Location: 209 S Ashley St, Ann Arbor, MI
- Website: Trinity Health Probility Ann Arbor Marathon
Event Overview
- 15th Running: Join us in downtown Ann Arbor for the 15th running of the Trinity Health Probility Ann Arbor Marathon!
- Choose Your Challenge: Options include marathon, half marathon, marathon relay, Climate Week 10K, Climate Week 5K, or free kids races.
- All Levels Welcome: Whether you're walking your first 5K or racing your 50th marathon, there’s a place for you on the starting line.
- Climate Week Events: The 5K and 10K events promote a healthier, more sustainable future for our community and our planet.
Course Highlights
- Starting Point: All distance events start in downtown Ann Arbor.
- Scenic Route: Experience vibrant streets of downtown, the University of Michigan campus, and beautiful natural areas.
- Natural Beauty: The course includes the Huron River, Gallup Park, and Nichols Arboretum.
- Finish Line: Participants return for a spectacular downtown finish.
Marathon Certification
- USATF-Certified: The marathon course is certified and a qualifier for the Boston Marathon.
- New York City Marathon Qualifier: It is also a qualifier for the TCS New York City Marathon.
Community and Culture
- Explore Ann Arbor: Enjoy the local restaurants, cafes, bookstores, theaters, art galleries, and museums.
- Discover Tree Town USA: Whether a visitor or a local, there's plenty to explore.
- University of Michigan Museum: Check out the University of Michigan Museum of Art during your stay.
- Visit More: Learn more at VisitAnnArbor.org.
Inclusive Spirit
Every Body. Every Pace. Every Race.
Course map
Train with a club
Run clubs near Ann Arbor to train with before race day.
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