2025 Boston Marathon Registration Process

2025 Boston Marathon Registration Process. The historic race will be. For 2025, registration begins on september 9 and runs through september 13.

The qualifying window for the 129th boston marathon, scheduled to take place on april 21, 2025, began on september 1, 2023. Let’s take a closer look at the key details surrounding the registration process, qualifying standards, and what athletes can expect as they prepare for the 129th boston.