Ironman race day is here: 2,400 professional and amateur triathletes attempt to conquer the 140.6-mile Kona Championship Course: Big Island Now

As the sun rises over Kailua-Kona this morning, more than 50 professional triathletes and approximately 2,400 amateurs from 85 countries will jump into Kailua Bay for the start of the VinFast Ironman World Championship. The pros start at 6:25 a.m.,…