IRONMAN Gurye Korea

Aerobic endurance

The 226-kilometer total distance requires continuous cardiovascular output over an extended duration, demanding strict pacing discipline from the start of the swim through the final marathon.

Nutritional management

Because the event spans many hours, athletes must execute a consistent fueling and hydration strategy to sustain output and prevent late-race energy depletion on the bike and run.

Transition execution

Managing the physiological shift from a 3.8 km swim to a 180 km bike, and subsequently to a 42.2 km run, requires efficient pacing to mitigate muscle fatigue across disciplines.