10News – ABC San Diego KGTV57 minutes ago Posted: 04/16/2013
Last Updated: 3 hours ago SAN DIEGO - Plans were under way Tuesday to beef up security at San Diego's famed Rock 'n' Roll Half Marathon and Marathon in the aftermath of the Boston Marathon explosions that killed at least three people and injured more than 140.
The Competitor Group puts on San Diego's annual Rock 'n' Roll Half Marathon and Marathon, which this year is scheduled to take place on June 2.
Last year's half marathon was the sixth largest in the United States, with 17,604 finishers, and the marathon was the 10 largest in the country, with 7,106 finishers, according to U-T San Diego.
Competitor Group CEO Scott Dickey…