Marshfield Duxbury Triathlon logo

AUGUST 2, 2015


What's New

Welcome to the 2015 Marshfield Duxbury Triathlon. Special thanks to the Town of Duxbury, Town of Marshfield, and the Duxbury Beach Reservation for their ongoing support in this community-building event. We love this venue during the summer at Duxbury Beach!

We are super proud to partner with the Tri for Jett team and Paul Wahlberg to help find a cure for Duchenne Muscular Dystrophy by supporting the Jett Foundation of Kingston – an incredible organization. To join this team, and claim a free spot in this triathlon, simply click here.

Otherwise, for a regular, paid spot, we encourage you to register here online now to secure a space in the race field. If you are not quite ready to register you can join our mailing list as well.

We look forward to seeing you in Duxbury!

Tri 4 Jett50 FREE Tri for Jett Team spots in this triathlon have just gone live. These spots will fill quickly. Click here to join this team and learn more.


- Win a FREE Jetblue roundtrip ticket - find out how here.

- The top overall male and female age group athletes will win a Blueseventy wetsuit!

Watch Our 2013 Event Video

Watch now   >