As we always say, you'll never find a shortage of unique summer camps in Los Angeles. Summer track and field camps are a "subset" of the popular sports camp theme. Not only that, many kids enjoy participating in track and field camps because its health and fun. You'll get lots of exercise, that's for sure!
From what we understand, USC offers a track and field summer camp and UCLA offers a pole vault camp. Check them out here.
Of course you might simple do a Google search for Los Angeles Track Camps, Track and Field Summer Camps in Los Angeles, or something similar and then pursue your options from there.