Ironman Jacksonville

MAY

16

2026

The inaugural IRONMAN Jacksonville is a full-distance triathlon on the St. Johns River and through downtown Jacksonville, featuring a downriver swim, a flat fast bike course, and a rolling run finish in the city under warm May conditions.

Sat 16 May 2026

Jacksonville, Florida

Website

Full-Distance Ironman Tri...

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IRONMAN Jacksonville : event overview

IRONMAN Jacksonville is a full-distance IRONMAN triathlon scheduled to debut in Jacksonville, Florida. The event is organized by IRONMAN and takes place on the city’s Atlantic coast and around the St. Johns River.

The course combines urban roads with riverfront sections. The swim is a downriver start on the St. Johns River, the bike course is described as flat and fast, and the run is described as rolling with a finish in downtown Jacksonville. The event layout highlights city and coastal scenery and uses downtown infrastructure, including nearby hotels, restaurants, and transportation options.

The organizer lists weather and water conditions typical for the event period: a high air temperature near 94 °F / 34 °C, a low air temperature near 71 °F / 21 °C, and an average water temperature near 67 °F / 19 °C. The event is presented as the inaugural IRONMAN Jacksonville and includes designation related to IRONMAN World Championship qualification. Visit the organization's website for the most recent information.

Full-Distance Ironman Triathlon