Kristine Cherbonneau of Derry, N.H., laces up for the 6.2 mile run portion of the Rev3 Triathlon.

Competitors transition from the swimming portion of the event to the bike portion. There was an Olympic distance triathlon, a half Ironman, a SheJams race, and aquabike races in each category.

Marcia Feller of Yarmouth waves to a SheJams teammate as she enters the transition area after finishing the swimming portion at the Rev3 Triathlon on Sunday in Old Orchard Beach. The SheJams race was an Olympic distance triathlon featuring only female competitors. Photos by Jill Brady/Staff Photographer

Mike Caiazzo of Falmouth celebrates after winning the overall title in the Olympic distance at the Rev3 Triathlon in Old Orchard Beach. Caiazzo, 36, finished in 1 hour, 56 minutes, 23 seconds.

Sophie Flanagan of New Brunswick hydrates before hopping on her bike for the bicycle leg of the Olympic distance race. Competitors in the Olympic distance completed a 1.5-kilometer swim, a 40K bike ride and a 10K run.