LOS ANGELES (CBSLA.com) — The Los Angeles Marathon and Olympic Marathon Trials will cause a major headache for traffic this weekend.

Each event will bring about a series of street closures throughout the greater Los Angeles area.

READ MORE: 'The Public Needs To Know': High Levels Of E. Coli Bacteria Found In Echo Park Lake

TRAFFIC UPDATES: LISTEN LIVE TO KNX 1070 NEWSRADIO

Below are two maps detailing the course for each race (click image to enlarge).

LA MARATHON MAP:
(credit: CBS)

READ MORE: Only On KCAL 9: Tarzana Woman Tells Speaks Out On Surviving Violent Home Invasion

OLYMPIC TRIALS MAP:
(credit: CBS)

The 2016 Olympic Marathon Trials will be held on Saturday in downtown Los Angeles.

On Sunday, participants will race in the Los Angeles Marathon. The course will take runners from Dodger Stadium to the Santa Monica Pier.

MORE NEWS: Rylee Goodrich Killed, Anthony Barajas On Life Support After Being Shot Inside Corona Movie Theater