Boston Marathon 2025. Helds on april 21, 2025, the course takes runners through several historic massachusetts towns before finishing in boston's copley square. The 129th boston marathon presented by bank of america is scheduled to take place on monday, april 21, 2025.

129th boston marathon registration qualifier registration for the 129th boston marathon has closed. Experience the electrifying atmosphere of the 2025 wa athletics new balance indoor grand prix in boston!