The Underwater View from 2018 Hawaii Ironman Swim

Photographer Rocky Arroyo joined the more than 2,500 athletes to grab images of the iconic Ironman World Championship swim start in Kailua Bay.

2018 Hawaii Ironman Swim
2018 Hawaii Ironman Swim
2018 Hawaii Ironman Swim
2018 Hawaii Ironman Swim
2018 Hawaii Ironman Swim
2018 Hawaii Ironman Swim
2018 Hawaii Ironman Swim
2018 Hawaii Ironman Swim
2018 Hawaii Ironman Swim
2018 Hawaii Ironman Swim
2018 Hawaii Ironman Swim
2018 Hawaii Ironman Swim
2018 Hawaii Ironman Swim
2018 Hawaii Ironman Swim
2018 Hawaii Ironman Swim
2018 Hawaii Ironman Swim
2018 Hawaii Ironman Swim
2018 Hawaii Ironman Swim
2018 Hawaii Ironman Swim
2018 Hawaii Ironman Swim
2018 Hawaii Ironman Swim
2018 Hawaii Ironman Swim
2018 Hawaii Ironman Swim
2018 Hawaii Ironman Swim
2018 Hawaii Ironman Swim
2018 Hawaii Ironman Swim
2018 Hawaii Ironman Swim
2018 Hawaii Ironman Swim
2018 Hawaii Ironman Swim
2018 Hawaii Ironman Swim
2018 Hawaii Ironman Swim
2018 Hawaii Ironman Swim
2018 Hawaii Ironman Swim
2018 Hawaii Ironman Swim
2018 Hawaii Ironman Swim