Ann Arbor Marathon, Half Marathon, 10K & 5K

Sunday, October 13, 2024 • Ann Arbor, MI • Course Map


Set for its 13th annual running here at the home of the University of Michigan, the Probility Ann Arbor Marathon, Half Marathon, 10K & 5K runs along a loop course that starts and finishes on the university 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 University of Michigan Wolverines football stadium on Main Street, also known as the “Big House.”

The race begins along 5th Avenue, just north of the stadium. From there, the course for the full and half marathon share the same route

Shortly after the first mile, those running the half marathon turn right to head south on State Street, where they’ll run an out-and-back stretch south and then north again on State before turning right again onto University Avenue.

Those running the full skip the State Street turn and instead head east on University, and then join Geddes Avenue for a stretch that takes them past the Forest Hill Cemetery and Nichols Arboretum.

Runners in the half marathon head back along University through downtown Ann Arbor, where they’ll run a long, out-and-back stretch (with some hills), which turns more residential the further away you get from downtown.

The next stretch of the race brings runners into the second half of the half marathon, along South University Avenue and then south on State Street. Runners cross the finish line on Main Street, between Liberty and William Streets.

Race Weather & Climate

Nestled along the banks of the Huron River in southeastern Michigan, about 45 miles west of Detroit and roughly 240 miles east of Chicago, Ill., Ann Arbor typically sees mild weather in October with daily temperatures ranging from the low 40s to the high 60s.

On race day (Oct. 13), the average low is 42ºF and the average high is 56ºF.

Past Results

Course Map

See the race route map for the Ann Arbor Half Marathon here.

Starting Time

8:00 AM


  • $96 – $125 for the half marathon
  • $110 – $150 for the full marathon
  • $250 – $320 for the full marathon relay
  • $44 – $70 for the 10K
  • $35 – $60 for the 5K
  • $40 – $50 for the virtual race


To reserve your spot in the 2024 running of the Probility Ann Arbor Marathon, Half Marathon or 5K race, register online at Runsignup here.


Official Race Website


Ever run in the Ann Arbor Half Marathon? Share your impressions here, or post your review in the Comments below.

See more races in: October, Michigan

5 comments… add one
  • Stephanie March 18, 2019, 11:54 pm

    Can you confirm exact start and fonish streets please for the 2019 run? Thank you

  • Stephanie February 12, 2017, 12:55 pm

    Where will the parking be for the 5and 10 k?

  • joe miller April 1, 2016, 4:22 pm

    question: course map included a portion of Geddes that is under construction. we see new signs on our street (Vinewood Blvd, off Geddes) suggestion a detour along our street.
    is this true?
    will we have auto access or will the street be closed off?
    and if so, for what hours??

  • Dawn Hallaman February 28, 2015, 8:54 pm

    When I originally was given the information about this marathon, I was shown that there was the chance to “run” this race by doing a mile each day on the 25 days prior to the actual race day and 1.2 miles on the final day, March 29, 2015. I am a disabled woman who got so excited that I might be able to do this and actually do a “marathon” . I have only finished one 5k , which is a very big accomplishment for me. It took me 2 hours and I was the last person to cross the finish line. But I did it. I am too new to this activity, and although I am going to do other 5k events, at this time in my life and health, I don’t see that I will be able to complete a marathon (26.2 miles) in an;y other fashion. I was so excited. Now I have been told that this type of event has been cancelled. Is there any chance that it could be reinstated as an event for those of us who are not physically able to complete a marathon in any other manner. I would be so very excited to be able to do this and complete my first marathon. It would be such a gift of accomplishment. Please consider my request. I am ready to start my tracking of the miles.

    • Amy November 4, 2015, 6:12 pm

      Hi Dawn,

      I saw your comment and would like to recommend you look at the Martian marathon in Dearborn in April. They offer an option for kids where they complete 25 miles on their own prior to the race and the last 1.2 at the actual marathon. I would think they’d allow you to do this option also. Good luck and best wishes. You are an inspiration!


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