Rock ‘n’ Roll San Jose Half Marathon & 10K Sunday, October 7, 2018 • San Jose, CA • Course Map More than 10,000 runners, walkers and wheelchair athletes came out in 2017 to trek the streets of San Jose, the unofficial capital of California’s Silicon Valley, at the Rock & Roll San Jose Half Marathon, which will celebrate its 13th annual running in the fall of 2018 with both a 13.1-mile half marathon and 10K on Sunday, and a 5K on Saturday.
