John Kilroy Jr. last month won his class at the Rolex Big Boat Series in San Francisco Bay. His boat, a TP52 named Samba Pa Ti, won four of seven races to take first place in IRC A division, the division for the largest, fastest boats. Kilroy also won the St. Francis Perpetual Trophy for the second year in a row. The Rolex Big Boat Series is regarded by sailors as one of the world’s premier sailboat racing events.