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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.
July 20, 2025
New England's most beginner-friendly & spectator-friendly triathlon.
August 24, 2025
Now 24 years strong, offering sprint and olympic distance multisport races
September 6, 2025
A late season multisport event offering sprint, olympic & half distance races.
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