Boston Triathlon 2025. 24,069 qualified applicants have been accepted to date. Celebrate your season with this historical, scenic, fun and exciting sprint &.
To be accepted into the 2025 race, athletes must have run at least 6:51 faster than their respective qualifying standard (below). The outsider triathlon takes place on saturday, september 6, 2025 at college pond in dcr myles standish state forest in plymouth, ma.