Boston Marathon 2025 Registration. Registration details for that race will be announced following the 2025 boston marathon. One mission, inc., a nonprofit corporation organized under the laws of the commonwealth of massachusetts (“one mission”), is entering a team (the “team”) in the 2025 boston marathon.

Registration details for that race will be announced following the 2025 boston marathon. The boston athletic association (b.a.a.) announced monday that registration for the 129th boston marathon® presented by bank of america, will take place over five days,.