Thousands of athletes from around the globe will race through the streets of Los Angeles on Sunday for the 40th running of the Los Angeles Marathon presented by Asics. The 26.2-mile race promises an unforgettable experience,

From road closures and top runners to race day events and where to watch, here are 10 essential things to know before race day.

Main course closures: These streets will be closed at various times during the day. Runners will follow some of them for the race, and others intersect with the marathon path. Freeway ramps to the 110, 101, and 405: Onramps and offramps will be closed throughout the day. Be sure to check this timetable before you hop on the freeway.