July 23, 2017 6:35 pm Runners Flock to San Francisco for Annual Marathon For the 40th time Sunday, the city by the bay transformed into a competitive racing course as thousands of runners duked it out at the San Francisco Marathon. Christie Smith reports. US & World Videos 0:28 A Vermont state trooper plunges into icy pond to rescue 8-year-old girl 2:59 Keep these travel etiquette tips in mind this holiday season 2:20 Bodies of Missing Men Found in Rubber Bins Inside Storage Unit 1:42 Hundreds of Golden Retrievers Walk a Mile for the Official Boston Marathon Dog 1:51 Typewriter Shop Owner Receives Gift From Tom Hanks