Boston Marathon 2025 Entry Requirements. What is the cut off time and how is it calculated? What has the range of cut off times been historically?
I think there’s a danger in just including a ton of overseas races, but if you can weight them appropriately it makes sense. Registration for the 129th boston marathon, presented by bank of america, the boston athletic association (b.a.a.) begins tomorrow, september 9 and will run for five days, closing on september 13.