Check out highlights from this morning's swim at IRONMAN Barcelona and tune in to the action on the bike course streaming live right now on IRONMAN now!

The Pro Women are onto the bike at IRONMAN Barcelona. Watch as Yvonne Van Vlerken passes Natalie Seymour for the lead.

Tune in to IRONMAN now to watch the action live!

2018 IRONMAN Barcelona is officially underway as pro athletes and age groupers alike are off and swimming.

Tune in to coverage of all the action live right now on IRONMAN now!