December 7-8: The North Face Endurance Challenge Trail Races
San Francisco, Calif.
Two kid’s runs, 5K, 10K, 13.1-mile, 26.2-mile, marathon relay, 50K, 50-mile
Golden Gate National Recreation Area is party central for two days of intense trail racing excitement. Pick your distance and take off through the Marin Headlands on fire roads and trails with some of the best trail runners in the country. The winners of the Gore-Tex 50 Mile race split a $10,000 prize purse.