Run through the streets of Detroit and Windsor, Ontario. Cross the border into Canada over the Ambassador Bridge and back to the U.S. through the Detroit-Windosr Tunnel. Only marathon in North America to feature two international border crossings. Run through downtown and through historic neighborhoods like Mexican Town, Cork Town and Indian Village. Flat and fast!

Detroit International Marathon

Pre-Race Review/ Lineup

Mary (Akor) Beasley will not be able to defend her title this 2023 due to the new anti-doping policy of Detroit Free Press Marathon.

Detroit Free Press Marathon introduces new anti-doping policy for 2023

Post-Race Review/ Results

Mary Beasley, previously named Mary Akor, won the women's race of the 2022 Detroit Free Press Marathon in 2:42:25, seven years after she served a two-year doping ban.

Runner with former doping ban wins Detroit Free Press Marathon under a new name

Ryan Corby won the 2022 Detroit Free Press Marathon in 2:24:28 while Mary Beasley won the women's race in 2:42:25.

'It's unbelievable': Ryan Corby repeats as winner of Detroit Free Press Marathon

After the Canadian government's removal of COVID protocols, the 2022 Detroit Free Press Marathon dropped the requirement for runners to complete ArriveCAN or carry proof of vaccination during the race.

Marathon Summary

Marathon Results