The 26-mile, 385-yard course runs from Dodger Stadium to the Santa Monica Pier.
This year's race included some record breaking attempts.
American sumo wrestler Kelly Gneiting, weighing in at 410 pounds, completed the marathon in 9 hours, 48 minutes and 42 seconds to set a new Guinness World Record for the "heaviest person to complete a marathon."
The 40-year-old said he has been training every day, with a six-mile jog on Saturdays, in addition to walking a mile-and-a-half each way to his job.
Also, two-time defending marathon champion Wesley Korir went for win No. 3. However, Markos Geneti of Ethiopia beat him to it, winning the men's division with a record-setting time of 2 hours, 6 minutes and 35 seconds.
In the women's division, Buzunesh Deba, also of Ethiopia, took the top spot with a time of 2 hours, 26 minutes and 35 seconds.
For the wheelchair division, Krige Schabirt of South Africa took the top spot with a time of 1 hours, 35 minutes and 12 seconds.
City News Service contributed to this report.