The action is underway in NorCal for the last stop on the 2014 Arena Grand Prix circuit. Some of the world’s best swimmers are in Santa Clara for the big event and sports photographer Mike Lewis is on hand to capture some of the images for us.

Sean Ryan (photo: Mike Lewis, Ola Vista Photography)

Becca Mann (photo: Mike Lewis, Ola Vista Photography)

Emily Brunemann throws in a little breaststroke warming up for the women’s 1500 (photo: Mike Lewis, Ola Vista Photography)

Coach Jack Roach and Michael McBroom before the men’s 800 (photo: Mike Lewis, Ola Vista Photography)

Lotte Friis on her way to the win and the second fastest 1500 free in the world (photo: Mike Lewis, Ola Vista Photography)

Sara Isakovic back from altitude training camp in Mexico (photo: Mike Lewis, Ola Vista Photography)

The NBAC coaching crew (photo: Mike Lewis, Ola Vista Photography)

Tyler Clary honing technique with the SwimMAC coaches (photo: Mike Lewis, Ola Vista Photography)

Chase Kalisz (photo: Mike Lewis, Ola Vista Photography)

Becca Mann (photo: Mike Lewis, Ola Vista Photography)

Flying with cords (photo: Mike Lewis, Ola Vista Photography)

Conor Jaeger (photo: Mike Lewis, Ola Vista Photography)

Ous Mellouli (photo: Mike Lewis, Ola Vista Photography)

Ryan Cochrane (photo: Mike Lewis, Ola Vista Photography)

Michael McBroom took the men’s 800 title (photo: Mike Lewis, Ola Vista Photography)