Driving and parking in the area during the race can be hectic with the amount of people and closed streets but there are multiple areas where you can find parking. 

Free Parking: 

Church of Scientology North Hollywood
11455 Burbank Blvd, North Hollywood, CA 91601

 North Hollywood Red Line/Orange Line Station
11232 Cumpston St, Los Angeles, CA 91601

Paid Parking: 

24 Hour Fitness
5300 Lankershim Blvd Suite 100, North Hollywood, CA 91601

Kaiser Permanente
5250 Lankershim Blvd 9th floor, Los Angeles, CA 91601

If you can't find any parking in these places you can also look for parking on the street but make sure to read all the signs around the spot to make sure you wont get ticketed or towed.