1 triathlon event in Mattapoisett, Massachusetts

From big races to Saturday morning group runs—find triathlon events and connect with the local endurance sports community.

• Mattapoisett Lions Triathlon [mattapoisettlionsclub.org] [Register at runsignup.com]
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  Sun, Jul 26, 2026 at 8:00 AM

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  Same beautiful venue featuring improved organization with help from local triathletes. Great for beginners and experienced athletes!

  Note: Given that we've been getting more non-licensed racers over...

  Same beautiful venue featuring improved organization with help from local triathletes. Great for beginners and experienced athletes!

  Note: Given that we've been getting more non-licensed racers over the past couple of years, we have dropped USAT sanction to save non-licensed racers from having to pay the $15 one-day license.

  Group discount for triathlon teams of 10 or more racers! Contact race director..

  All proceeds still to benefit Mattapoisett Lions Club charities. Take advantage of early registration and beat the July 1 $5 fee increase!

  14 Miles Triathlon

  Mattapoisett, Massachusetts, 02739, United States
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