The 2015 San Diego Rock’n’Roll Marathon is one of the city’s best events of the year, supports a great cause and allows visitors another chance to vacation in sunny San Diego. There are on average 20,000 runners total and 100,000 spectators. Established in 1998, the race has since raised over $100 million for various charities. This year the race will benefit the Leukemia & Lymphoma Society. The entire event will...