october, 2021

2021sun24oct8:00 AMProbility Ann Arbor MarathonMarathon • Marathon Relay • Half Marathon • Virtual Half Marathon •10K • 5K • 19-Mile Spring Marathon Training Run8:00 AM EST Probility Ann Arbor Marathon Start Line, 2905, 617 S 5th Ave, Ann Arbor, MI 48104Event Type :Kids,RunRegister Now!Results

Probility Ann Arbor Marathon Header Image

Event Details

Registration open for 2021

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2020 Marathon swag featured here. Stay tuned for NEW 2021 swag coming soon!

2020 Ann Arbor Marathon shirts and medals


Charity Takeover!

For 2021 we are having a charity takeover! In partnership with the Rotary Club we are committing all our fundraising efforts to organizations that help and support mental health and/or issues associated with mental health and play an active role in reducing the stigma around mental illness.

Epic Races will be donating part of each entry fee to one of our featured charities. You will have the opportunity to choose where you would like yours to go during the registration. Want to raise money for a specific organization that supports mental health and reducing the stigma? Have them apply below to be a featured charity.

If your organization fits our criteria, we welcome your application HERE.

Here are some of our featured charities and we will continue to update these featured organizations for 2021!

We have free entries available for those recovering from addiction.  Learn more here.


SWEET SWAG: 2021 Swag Coming Soon

Race chip timing with speedy race results
Participant tracking
Best race T-shirt ever and other surprise swag
Finisher medal you will cherish forever
Hot and delicious post-race food
FREE photos compliments of Epic Races

Click above image to enlarge and see why we are so obsessed with our 2020 shirt and medal designs!

Please see a PDF map with aid stations in the Athlete Guide.

Calling all future marathoners! Run your race THE DAY BEFORE THE 26.2 RACE!
12 & Under: Run the Full (.262)
8 & Under: Run the Half (.131)


2021 TBD

Relay-handoff: The Basics
A team of 2-4 runners will cover the entire 26.2 mile distance.
Each runner will run one leg of 6.05 or 7.05 miles. The team can have as few as 2 members competing. This will require that 2 team members run 2 legs.
All teams will be Male/Female/All Ages.
Teams will be scored using this handicap system:

Part 1: Registration

If you are a Team Captain:
CLICK HERE to register for our event.
Select “Marathon Relay”
Continue with Registration, including filling out the following questions:
Pay for the registration in full, your team members will pay you back!

If you are Team Member:
Team members are invited to join a team or already have plans of joining an existing relay team. Since your team captain paid for your event in full, you are not charged during registration. Please be sure to pay them back!

Register for our event.
Select: “Marathon Relay – “JOIN A TEAM”
Continue with Registration
Finish and complete the registration. You are now registered on the team and your Team Captain will be receiving an email that you joined.
For further explanation about how to register and/or join a team CLICK HERE.

As a Team Captain:

You’ll get an email every time somebody registers for your team.
You will be responsible for getting individuals registered on time for your team.
As a Team Member:

You must know your team before signing up.
You are responsible for registering yourself, on time, for your correct team.

Part 2: Race Day
Each team member will get an official race bib that does not have a timing chip. All members must wear a bib (when you are running you will have two bibs) on the outside of their top. Each team will receive ONE timing belt with one team bib. This will be buckled around the active runner and will be passed to each team member. Teams will receive individual and total times. You will receive all bibs, belt, and timing chip at packet pickup.  We really recommend picking up your packet at the expo on Saturday!

Please use our buses for transportation to Gallup Park if you are running leg 2 or 4.
Here is what you need to know about the buses:

  • The first bus will leave from 5th and Madison at 7:20 a.m.
  • The second bus will leave from the same location at 8:30 a.m.
  • When the second bus arrives at Gallup Park, the first bus will head back to the start line with those who have finished leg one. It will then shuttle back and forth from the start/finish area to Gallup Park until noon.  Any leg 3 runners arriving at Gallup Park after 12:00 noon will need to be picked up by their wonderful teammates or at least get reimbursed by their teammates for an Uber.
  • Bag check will be available for legs 1 & 3 to have dry clothes waiting at Gallup Park and for legs 2 & 4 to leave a bag of excess clothing to be transported back to the start/finish area. The bags and labels will be available at our “bag check” area as well as on the buses.  You may not use your own bag and all contents within the bag will need to be visible.  Any other bags will be left behind.

Leg #1 (7.05 miles)
You will begin at the official start line with everybody.  If you would like to have warm, dry clothes for you when you finish your leg, you should put your belongings in a “bag check” bag and put it in the cargo area of the 7:20 a.m. bus.  You can get a bag at our “bag check” area and we will also have them on the bus. When you arrive at Gallup Park, your stuff will be there and there will be a bus to transport you back to the start/finish area.

Leg #2 (6.05 miles)
You will take the bus to Gallup Park and may leave your belongings in the cargo area of the bus as long as they are in one of our supplied bags. Your belongings will be available to you at the “bag check” area of the start/finish area.

Leg #3 (7.05 miles)
This transfer spot is at Green and Hill. There is a parking lot there. We encourage you to arrive early to secure a spot in that lot.  We will do our best to reserve it only for “Leg 3” participants.  You can access the lot by entering Green off of Hoover.  The road will have a barricade, but you will be let in if you can produce your bib showing you are on a relay team. Before staging yourself to run, you may want to put your warm, dry clothes in a “bag check” bag in the cargo area of the 8:30 a.m. bus so they will be there for you when you arrive at Gallup Park.

Leg #4 (6.05 miles)
Same as leg #2, but you may want to take the 8:30 a.m. bus as opposed to the 7:20 a.m bus. Your choice!
When you are approaching the finish line, your teammates will join you to the finish where you will all receive your well-deserved medals because there is no “I” in TEAM!

Relay Tracking
Find instructions for tracking your relay team here under “Relay Team How-To”. Check the Participant Tracking: RaceJoy tab of the Athlete Guide for more information about RaceJoy!

epic races has the ann arbor track club as pacers for the probility ann arbor marathonPromoting fitness, friendship, and fun for all ages for 50 years, we are grateful to the  Ann Arbor Track Club for providing pacers for this event. Choose your goal and they will help you hit the mark! The following paces will be supported:

10K – pacers for :42, :48, :54, 1:00, 1:06, and 1:12 total finish time

Half Marathon – 1:35, 1:45, 2 hours, 2:15, 2:30 total finish time

Full Marathon – 3:30, 3:40, 3:50, 4 hours, 4:10, 4:20, 4:30, 4:45, 5 hours total finish time

Not sure what pace to run? Check out the pace predictor here to help choose your group.

Interested in being a pacer?
In order to be a pacer, you must have extensive running and racing experience and plan to run a pace at least 2 minutes per mile slower than your typical race pace. For more information, please contact Brian Harreld at brha72@gmail.com.

Got questions? We’ve got you covered.

Looking for race day logistics or where to eat a great post-race meal click here for our full athlete guide.

Interested in more general Epic Races FAQs such as transfers or changing shirt sizes? Click here for our FAQs


Thank you for your patience and understanding as this annual event raises money for local charities while helping more than 2500 people from around the world achieve personal health and fitness goals. Roads will likely begin to open earlier than posted times as long as it is deemed safe for both the drivers and runners!

Closed 3 a.m. – 3 p.m
South Fifth between Hill and Madison
Hill from Brown to East University

Soft Closure from 3 a.m. – 11 a.m. (completely closed 8 -8:45 a.m.)
Brown between Hill and Hoover
Closed 7 a.m. – 2 p.m.
Hoover between Brown and Division
Division between Hoover and Hill
Hill between Division and East University
East University between Hill and South University

Closed 7 a.m. – noon
Observatory from CCRB Bridge exit to Geddes
Geddes from Observatory to Huron Parkway (only eastbound lane open)
Huron Parkway to East Huron River Drive (the eastern/northbound lane only)
East Huron River Drive from Huron Parkway to Dixboro (eastbound lane open)
Dixboro Road to Old Dixboro Road
Washington Heights to Observatory

We give special thanks to our “host club,” The Greater Flint Athletic Club for providing volunteers, camaraderie, fun, spirit, and support to give you all the best race experience ever!


Follow the instructions below or view the tutorial video at the bottom of the page. If you still have questions,  check out the RaceJoy website for additional support!

To get started, please download the RaceJoy app from the App Store or GooglePlay.

When you have downloaded the app, open it and look for the Probility Ann Arbor Marathon.  We have set up the tracking for all distances.

IMPORTANT: In order for tracking to work, the runner must carry their phone with them on race day with the RaceJoy app running and the tracking enabled!



To setup your phone as a race participant to be tracked by someone, select the “I Want To Be Tracked” option.

  • Create a RaceJoy profile using the same information that you submitted when you registered for the race
  • Select which course you are doing and enter your BIB number when prompted (if you do not have your BIB number yet, you can choose the BIB pending option)
  • Select your name in the list to link your RaceJoy profile to your race registration
  • Confirm your profile
  • Confirm that the device you are using is the device you will be carrying with you along the course on race day
  • Setup the options you want for tracking (GPS Progress & Audio Alerts are on by default), if you choose the Facebook and Twitter options, you will need to grant access to RaceJoy to post on your behalf
  • Test your tracking to see if your device is connecting with RaceJoy

You can share on social media and send personal invitations to family & friends to track you on race day!


Team Set Up:

-All need to carry their own phone and click “I Want to Be Tracked” upon initial set up. Follow the prompts.

-Select “Relay Course” option in course selection section.

-Sign up with team or add team to list, if not shown.Relay Team START: ALL push START MY RACE as the first team member crosses the start line.

-Each team member clicks their own ”Start My Race” button in RaceJoy. In order to receive more accurate progress updates, ALL click this when the first member crosses the start line. Team members not present at the start line can click “Start My Race” when they get the alert that the first member has started the race.

Verify Proper Team Set Up:

-Click the More button on race page in RaceJoy.

-Click Profile: If you do not see your team name at the top of the screen, redo your setup by clicking your name and following the Team Set Up

  • Make sure that your Location Services are ALWAYS ON for RaceJoy
  • Make sure that Background App Refresh is ON for RaceJoy
  • Make sure that WiFi is turned off on your phone on race day so that tracking is not interrupted with your device seeking out wireless networks



To setup your phone as a spectator who is tracking a runner, select the “I Want To Track Someone” option.

  • Confirm that the person you want to track or Send-a-Cheer to has RaceJoy setup by searching their name or BIB number
  • Select the user from the list by clicking the plus icon
  • Create a spectator login by entering YOUR name and email address – DO NOT ENTER THE RUNNER’S INFORMATION!
  • Confirm your profile information
  • Select the alerts you want to receive on your device from the runner you are tracking

You are now ready to track your runner on race day!


We are proud to be a zero waste event and thanks to Happy Planet Running we have had as low as 3.6 lbs of landfill waste at the event.

2019 Report

  • Compostables: 183.9 lbs. (20.5 %)
  • Recyclables: 725.4 lbs. (78.1 %)
  • Landfill: 12.8 lbs. (1.4 %)

Learn more here.

Calling all purveyors and practitioners of all things racing we want you as part of our expo! Take a look at all the fun we had last year and apply to be a vendor for 2021!


Age Groups (Male and Female Age Divisions):

8 and under, 9-11, 12-14, 15-17, 18-19, 20-24, 25-29, 30-34, 35-39, 40-44, 45-49, 50-54, 55-59, 60-64, 65-69, 70-74, 75-79, 80+

*No Awards will be given for 19 Mile Training event

5K & 10K

1st Place Overall Male/Female
1st Place Masters Male/Female
Top 5  in each in each age-group

26.2 & 13.1

1st Place Overall Male/Female
1st Place Masters Male/Female
Top 5 in each in each age-group

Team/Relay Awards

1st team in each category


We give special thanks to our “host club,” The Greater Flint Athletic Club for providing volunteers, camaraderie, fun, spirit, and support to give you all the best race experience ever!



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