Trinity Health Probility Ann Arbor Marathon

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! Choose your challenge: marathon, half marathon, marathon relay, Climate Week 10K, Climate Week 5K, or one of our free kids races. Whether you're walking your first 5K or racing your 50th marathon, there's a place for you on the starting line. The Climate Week 5K and 10K bring runners, walkers, the University of Michigan, and the City of Ann Arbor together around a shared goal: creating a healthier, more sustainable future for our community and our planet. All distance events start in downtown Ann Arbor. From there, participants experience the vibrant streets of downtown, the University of Michigan campus, and some of Ann Arbor's most beautiful natural areas — including the Huron River, Gallup Park, and Nichols Arboretum — before returning for a spectacular downtown finish. The USATF-certified marathon course is a qualifier for both the Boston Marathon and the TCS New York City Marathon. Every Body. Ever…