Annika Lenz, Ciara Monahan and Maria Polyakova are all taking part in summer competition.
The Pac-12 Newcomer of the Year competed in the 3-Meter event.
Campbell matched her 11th-place finish at the 2014 10K event.
It was awards week for the Bruins for both their in and out of the water success.
The freshman is the fourth Bruin diver to be named league Newcomer of the Year.