Marcio Miike Jr. / Sport

Triathlon

A triathlon is one race in three parts: a swim, then a bike ride, then a run. The clock keeps running while you change from one to the next.

Men in wetsuits and yellow swim caps running out of the sea at the end of the swim
Swim. Photo: U.S. Navy, public domain
A triathlete riding a road bike at speed
Bike. Photo: Francis Franklin, CC BY-SA 4.0
Two triathletes running side by side along a harbor
Run. Photo: Chris Hunkeler, CC BY-SA 2.0, cropped

Distances

  • SprintSwim 750 m, bike 20 km, run 5 km
  • OlympicSwim 1.5 km, bike 40 km, run 10 km
  • HalfSwim 1.9 km, bike 90 km, run 21.1 km
  • FullSwim 3.8 km, bike 180 km, run 42.2 km

The full distance is the one known as IRONMAN. Some races set their own course, such as Izena 88, which falls between the Olympic and half distances.

My results

Planned for 2027: a first full IRONMAN in Cairns.

Marcio Miike Jr. smiling in a triathlon suit with a towel over his shoulders at the Izena 88 Triathlon
Izena 88, November 2026.