Ironman Triathlon World Championship

Sports in Kailua-Kona

On the second Saturday in October, all traffic on Aliʻi Dr halts for this human-powered endurance test that starts and finishes at Kailua Pier. Participants swim for 2.4 miles, bike for 112 miles and run a marathon (26.22 miles). In the weeks leading up the race, Kailua-Kona becomes an outdoor fitness bazaar.