Boston Triathlon Weekend
BT
From Boston Triathlon
Saturday, August 16 – Sunday, August 17, 2025
Past event
7:00 AM EDT
Boston, Massachusetts
$90.00–$310.00 · 7 races
Sprint, Olympic
Event summary
Get ready for an exciting weekend of athletic competition at the Boston Triathlon Weekend, happening from August 16-17, 2025, in the beautiful city of Boston, Suffolk. This much-anticipated event, organized by Boston Triathlon, marks its 17th year and invites athletes of all abilities to experience the thrill of triathlon along South Boston's picturesque waterfront. Participants can choose between Olympic and sprint distance races, featuring a refreshing swim at DCR's Carson Beach, an invigorating bike ride along William Day Boulevard, and a scenic run through South Boston.
On Saturday, August 16, the festivities kick off with the 11th Annual Kids Day at the Boston Tri, offering a fantastic array of fun and age-appropriate races for children. With FREE events including a Fun Run for little ones under 6 and Splash n Dash races for kids aged 7-15, it's a perfect opportunity to introduce young athletes to the joys of multisport. The Boston Triathlon team is committed to making this experience accessible for everyone, providing flexible options for deferrals, transfers, and refunds. Don't miss out on this vibrant celebration of fitness and community—mark your calendars for an unforgettable weekend!
On Saturday, August 16, the festivities kick off with the 11th Annual Kids Day at the Boston Tri, offering a fantastic array of fun and age-appropriate races for children. With FREE events including a Fun Run for little ones under 6 and Splash n Dash races for kids aged 7-15, it's a perfect opportunity to introduce young athletes to the joys of multisport. The Boston Triathlon team is committed to making this experience accessible for everyone, providing flexible options for deferrals, transfers, and refunds. Don't miss out on this vibrant celebration of fitness and community—mark your calendars for an unforgettable weekend!
Boston Triathlon Weekend
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Races
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Individual Sprint
Entries closedSaturday, Aug 16, 2025
$180.00
-
Individual Sprint U23
Entries closedSaturday, Aug 16, 2025
$90.00
-
Relay Sprint (Create a Team)
Entries closedSaturday, Aug 16, 2025
$245.00
-
Individual Olympic
Entries closedSaturday, Aug 16, 2025
$230.00
-
Individual Olympic U23
Entries closedSaturday, Aug 16, 2025
$115.00
-
Relay Olympic (Create a Team)
Entries closedSaturday, Aug 16, 2025
$310.00
-
Aquabike - Olympic
Entries closedSaturday, Aug 16, 2025
$200.00
Event information
The Boston Triathlon features Olympic and sprint distance races with a course that includes a swim at DCR's Carson Beach, a bike ride on William Day Boulevard, and a run in South Boston.
Free parking is available at the event
The DCR Carson Beach is located at 165 HarborWalk, Boston, MA 02125
Organiser's description
Boston’s only triathlon returns for its 17th year on August 16-17, 2025, inviting athletes of all levels to swim, bike, and run along South Boston’s scenic waterfront. Produced by ethos, the Boston Triathlon features both Olympic and sprint distance races with a course that includes a swim at DCR's Carson Beach, a bike ride on William Day Boulevard, and a run in South Boston.
In addition to the adult competitions, the 11th Annual Kids Day at the Boston Tri will take place on Saturday, August 16th, offering fun and age-appropriate races and activities designed to introduce children to the concept of multisport. There is a Fun Run for kids under the age of 6 yrs old and Splash n Dash races for kids between 7-15 yrs old. All kids’ events are FREE and kids of all ages are welcome to join.
The Boston Triathlon also continues its commitment to athlete-first policies, with flexible options for deferrals, transfers, and refunds to make race planning easier and more accessible.
WHEN:
Saturday, August 16, 2025 – Kids Day at the Boston Tri (packet pick up starts at 1 p.m.)
Sunday, August 17, 2025 – Olympic and Sprint Distance Races (starts at 6:30 a.m.)
In addition to the adult competitions, the 11th Annual Kids Day at the Boston Tri will take place on Saturday, August 16th, offering fun and age-appropriate races and activities designed to introduce children to the concept of multisport. There is a Fun Run for kids under the age of 6 yrs old and Splash n Dash races for kids between 7-15 yrs old. All kids’ events are FREE and kids of all ages are welcome to join.
The Boston Triathlon also continues its commitment to athlete-first policies, with flexible options for deferrals, transfers, and refunds to make race planning easier and more accessible.
WHEN:
Saturday, August 16, 2025 – Kids Day at the Boston Tri (packet pick up starts at 1 p.m.)
Sunday, August 17, 2025 – Olympic and Sprint Distance Races (starts at 6:30 a.m.)
Location
Harborwalk, Boston, MA 02125, United States
Boston Triathlon Weekend
BT
Boston Triathlon
On Find a Race
Since
2025
Events
1
