Mighty North Fork Triathlon

MAY
31
2026
A short-distance triathlon at Cedar Beach in Southold, NY, with a calm Peconic Bay swim, a mostly flat 7 mile bike, and a 3.5 mile run; categories include individual, relay, aquabike, bike run, and high school divisions.
Sun 31 May 2026
Swim Run Bike

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Mighty North Fork Triathlon

The event takes place at Cedar Beach on Main Bayview Road in Southold, NY, located in the Long Island wine region. The course uses Peconic Bay for the swim and follows mostly flat, scenic roads and paths for the bike and run segments.

The course distances are:

  • Swim: 500 meters
  • Bike: 7 miles
  • Run: 3.5 miles

Event categories listed by the organizer include Individual Triathlon, Relay Triathlon, Aquabike, Bike Run NO SWIM, High School Individual (ages 14 to 18), and High School Relay. For the Bike Run category, participants receive a triathlon shirt and finisher medal and are eligible for overall Bike Run awards; age group awards are not provided for that category.

Registration opens 1/30/2026 and closes 2/2/2026. Registration fees provided by the organizer are: Individual Triathlon $112.00, Relay Triathlon $152.00, Aquabike $108.00, Bike Run NO SWIM $108.00, High School Individual $68.00, and High School Relay $110.00. Visit the organization's website for the most recent information.

4 mi
Run
Swim
Bike
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