The Fit Nation "Lucky 7" arrived in Hawaii on Sunday, May 13, for a week of training. The group will be participating in the Nautica Malibu Triathlon with CNN's Dr. Sanjay Gupta in September. Here they gather for a swim at Hapuna Beach. From left are Gupta, Glenn Keller, Rick Morris, Denise Castelli, Nancy Klinger, Carlos Solis, Adrienne LaGier and Jeff Dauler.
Training for a tri: 'Lucky 7' dives in —
The Fit Nation "Lucky 7" arrived in Hawaii on Sunday, May 13, for a week of training. The group will be participating in the Nautica Malibu Triathlon with CNN's Dr. Sanjay Gupta in September. Here they gather for a swim at Hapuna Beach. From left are Gupta, Glenn Keller, Rick Morris, Denise Castelli, Nancy Klinger, Carlos Solis, Adrienne LaGier and Jeff Dauler.
Amanda Sloane/CNN
Gupta joins the "Lucky 7" for a swim as they train for their upcoming triathlon.
Training for a tri: 'Lucky 7' dives in —
Gupta joins the "Lucky 7" for a swim as they train for their upcoming triathlon.
Amanda Sloane/CNN
Keller does an open-water swim at Hapuna Beach.
Training for a tri: 'Lucky 7' dives in —
Keller does an open-water swim at Hapuna Beach.
Amanda Sloane/CNN
Fit Nation producer Matt Sloane uses an aerial drone to capture video of the group in the water.
Training for a tri: 'Lucky 7' dives in —
Fit Nation producer Matt Sloane uses an aerial drone to capture video of the group in the water.
Amanda Sloane/CNN
Keller treaded water for 26 straight minutes during a swim lesson in Hawaii, a very important survival skill. Now he takes a break for a beauty shot on the beach.
Training for a tri: 'Lucky 7' dives in —
Keller treaded water for 26 straight minutes during a swim lesson in Hawaii, a very important survival skill. Now he takes a break for a beauty shot on the beach.
Amanda Sloane/CNN
Klinger, LaGier and Morris emerge from the ocean after a long practice swim.
Training for a tri: 'Lucky 7' dives in —
Klinger, LaGier and Morris emerge from the ocean after a long practice swim.
Amanda Sloane/CNN
LaGier walks back along Hapuna Beach after a successful open-water swim.
Training for a tri: 'Lucky 7' dives in —
LaGier walks back along Hapuna Beach after a successful open-water swim.
Amanda Sloane/CNN
Gupta emerges from the Pacific Ocean after a training swim.
Training for a tri: 'Lucky 7' dives in —
Gupta emerges from the Pacific Ocean after a training swim.
Amanda Sloane/CNN
Gupta congratulates Morris on a job well done.
Training for a tri: 'Lucky 7' dives in —
Gupta congratulates Morris on a job well done.
Amanda Sloane/CNN
The Fit Nation participants head off for a bike ride along the "Queen K" highway in Hawaii.
Training for a tri: 'Lucky 7' dives in —
The Fit Nation participants head off for a bike ride along the "Queen K" highway in Hawaii.
Amanda Sloane/CNN
Gupta stays hydrated during the bike ride through the lava fields.
Training for a tri: 'Lucky 7' dives in —
Gupta stays hydrated during the bike ride through the lava fields.
Amanda Sloane/CNN
Castelli, a below-the-knee amputee, rides her bike through the lava fields.
Training for a tri: 'Lucky 7' dives in —
Castelli, a below-the-knee amputee, rides her bike through the lava fields.
Amanda Sloane/CNN
Klinger and Dauler keep each other company on the bike ride with the team.
Training for a tri: 'Lucky 7' dives in —
Klinger and Dauler keep each other company on the bike ride with the team.
Amanda Sloane/CNN
CNN medical news director and Fit Nation coach Roni Selig rides on the Big Island of Hawaii.
Training for a tri: 'Lucky 7' dives in —
CNN medical news director and Fit Nation coach Roni Selig rides on the Big Island of Hawaii.
Amanda Sloane/CNN
Carlos Solis treks along the "Queen K" highway.
Training for a tri: 'Lucky 7' dives in —
Carlos Solis treks along the "Queen K" highway.
Amanda Sloane/CNN
Athletic director April Burkey gives Morris some tips as they continue their bike ride.
Training for a tri: 'Lucky 7' dives in —
Athletic director April Burkey gives Morris some tips as they continue their bike ride.
Amanda Sloane/CNN
Gupta and Burkey enjoy an additional bike ride at the Mauna Lani Bay Resort in Hawaii.
Training for a tri: 'Lucky 7' dives in —
Gupta and Burkey enjoy an additional bike ride at the Mauna Lani Bay Resort in Hawaii.
Amanda Sloane/CNN