SFGate | Berkeley student, 16, to test English Channel

Working out with Delia on a recent day was her chum and official pacer, Leore Geller, 18, a graduating senior at Berkeley High who will travel to England with her. They limbered up by stretching and jogging the length of the beach. Then into the water they went.

"The goal is to get their endurance up," says Arnason, as he watched the swimmers along with Delia's other coach, Pedro Ordenes of Water World Swim.

Accompanying the teens in a kayak was Delia's father, Noah.

Continued on sfgate.com