The San Francisco Marathon | 2,515 followers on LinkedIn. One of the world’s Top 10 Most Beautiful Marathons! 8 courses: full, halves, ultra, 10K, 5Ks & family 1K! | The San Francisco Marathon connects athletes with the heart of their surroundings, giving them the rare opportunity to fill the city’s streets and bridges with the pursuit of challenge and the spirit of camaraderie. This iconic race attracts top endurance athletes from around the country and the globe, as well as many of the Silicon Valley's noted tech companies and leaders. Like the city itself, The San Francisco Marathon is a race unlike any other.