When Is Ironman Kona 2025 Start. Think you know the ironman world championship in kona? The 2025 ironman world championship men's race takes place in kona, hawaii, on 26 october.

We’re just under two weeks away from completing the 2025 ironman world championships, with the men’s race scheduled for saturday, october 26th. This event has the professional men racing in kailua kona.