October
16-17, 2021

Participants are able to modify their shirt size until August 23, 2021 by following the below instructions:

  1. Login to your EnMotive account, here
  2. Click ‘My Account’ in the upper right corner
  3. Scroll to the race registration that you need to update the size for (2021 Detroit Free Press Marathon)
  4. Click ‘View Registration’
  5. Click ‘Change’ next to the shirt size
  6. Update and save!

Any other registration details must be updated by race staff at this time. Please contact us if this is necessary.

Any edits to your distance/chosen race is considered a transfer. Please visit our transfer page here  for all information regarding switching your distance/race.