The 40th L.A. Marathon starts at 7 a.m. Sunday at Dodger Stadium and finishes in Century City. More than 25,000 people are expected to participate.

Caltrans is scheduled to close the following freeway ramps and turn lanes of US Route 101, State Route 110 and Interstate 405 (also known as the 101, the 110 and the 405) beginning at 3 a.m. March 16, and with staggered opening through 3 p.m. Be aware that the closures may start earlier or end later.

Thousands of runners and spectators across the world will be in Southern California this weekend for the 40th Los Angeles Marathon. This year, the LA Marathon falls on Sunday, March 16 and it's a sold-out event.