Ironman Jacksonville

MAY
16
2026
IRONMAN Jacksonville debuts on Florida's Atlantic coast in 2026. Athletes will tackle a full-distance course featuring a downriver swim, a flat bike leg, and a rolling run finishing downtown. This inaugural event brings the IRONMAN challenge to the vibrant city of Jacksonville.
Sat 16 May 2026

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Event Overview

IRONMAN Jacksonville is a full-distance triathlon set in Jacksonville, Florida. The event takes place on May 16, 2026.

Course Details

The course combines urban roads with the St. Johns River. The disciplines are as follows:

  • Swim: A downriver swim in the St. Johns River.
  • Bike: A flat bike course.
  • Run: A rolling run course that finishes in the city's downtown area.

The average water temperature is 67 °F (19 °C). The typical high air temperature is 94 °F (34 °C), and the typical low is 71 °F (21 °C).

About the Location

The race is held in Florida's largest city, Jacksonville. The city is described as having an athletic spirit, vibrant culture, and community pride. The event is the inaugural IRONMAN race for this location. Visit the organization's website for the most recent information.