The Sunday July 31, 2016 San Francisco Half Marathon offers 2 courses to choose from for participants, the 1st course already being at capacity, which is the first half of the marathon course. The second half marathon course is the last half of the marathon course, running through Golden Gate State Park and historic neighborhoods, claimed to be a great choice for those aiming for a PR. Both courses are USATF certified. There is also a full list of half marathons in California at the California Half Marathons page.