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Cohasset Triathlon

Sun, Jun 28, 2026, 7:45 AM EDT

Location
Cohasset, MA
345 Atlantic Avenue, 02025
Type
TRIATHLON
Official registration

Sign up and verify details on the organizer’s official page.

At a glance

Double-check key details

Join over 1,000 athletes to kick off summer with this sensational triathlon on rolling terrain in mild Cohasset, MA.

  • Fun
  • Competitive
  • Festive

Kick off your summer in Cohasset, MA, with the Cohasset Triathlon. This sensational event brings together over 1,000 athletes for a memorable start to the season. Expect a dynamic experience on rolling terrain, typically under mild weather conditions, as you join a vibrant community of participants.

What to expect

  • Prepare for a dynamic triathlon experience alongside a large field of athletes.
  • Navigate rolling terrain in Cohasset, typically enjoying mild summer weather.
  • A great way to kick off the summer season.

Standout details

  • Kick off the summer season
  • Over 1,000 athletes
  • Sensational triathlon event
  • Rolling terrain

Auto-drafted from the public listing — confirm details on the official event page before signing up.

Distances & registration

3 options

Registration for all distances is through the official signup link above.

  • Individual - Triathlon

    Sun, Jun 28, 7:45 AM EDT · From $133.50

    Opens Dec 1, 2025, 5:00 AM EST · Closes Jun 26, 2026, 7:59 PM EDT

  • Relay Team (2 or 3 person)

    Sun, Jun 28, 7:45 AM EDT · From $239.50

    Opens Dec 1, 2025, 5:00 AM EST · Closes Jun 26, 2026, 7:59 PM EDT

  • Individual - AquaBike

    Sun, Jun 28, 7:45 AM EDT · From $133.50

    Opens Dec 1, 2025, 5:00 AM EST · Closes Jun 26, 2026, 7:59 PM EDT

The course

  • Rolling
  • Timed race
From the organizer

KICK OFF THE SUMMER WITH 1,000+ ATHLETES IN THIS SENSATIONAL EVENT!

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