Welcome to the 4th Annual Cohasset Triathlon! We are proud to be one of the most sought after sprint races in the region. This year the Cohasset Triathlon is a USAT Special Qualifier for Nationals.

Registration for the 2010 Cohasset Triathlon is closed. The race field filled to capacity in just three days. Please sign up on our wait list.

Registration for our Nantucket and Marlborough triathlons is still open. Both races are filling up at a nice clip so sign up soon!

Check us out!

To Order a Cohasset Hat click here.