Multisport | Outsider Endurance | Massachusetts
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OUTSIDER
ENDURANCE

Outsider Endurance Triathlons

A multi-sport & adventure racing company

Outsider Events

Outsider Endurance offers an event for every multi-sport athlete. We encourage you to browse our events below and find one that fits your goals. 

Whaling City Tri & Du

July 21, 2024

New Englands most beginner-friendly triathlon.

Patriot Half

June 15, 2024

New England’s favorite half distance triathlon! 

Cranberry Trifest

August 25, 2024

Now 22 years strong, offering sprint and olympic distance multisport races

Cranberry Trifest

Pilgrimman Triathlon

September 7, 2024

A late season multisport event offering sprint and half distance races.

Pilgrimman Triathlon
Patriot Half Triathlon
Whaling City Triathlon
Clutch Rescue

Clutch Rescue

September 15, 2024

A brand new adventure triathlon. Details and registration are coming soon. 

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About Outsider Endurance

Jeff & Kristin Smith

Outsider Endurance is an athlete-first event production company, founded by Jeff & Kristin Smith. Our focus is to provide a series of multi-sport and adventure races that prove to be safe, challenging and rewarding. Outsider Endurance was founded to promote a year-round lifestyle obsessed with all things outside.

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Outsider Endurance Triathlons
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