A triathlon competition held at iconic Osaka Castle, featuring swimming in the castle's east moat, cycling from Osaka Castle Park to Osaka Business Park, and running through the park with views of the castle. Competitors choose from multiple distance categories: 51.5km (Standard) or 25.75km (Elite, Sprint, Relay). Athletes compete across various divisions with prizes awarded to top finishers in each category.
This event was sourced and translated from Japanese by What's On Japan. Details may change — verify with the official source before attending.

