San Francisco (map) Presidio of San Francisco ✚ gCal ✚ iCal 2024 Nav-X Challenge @ San FranciscoQuick InfoDate: Monday 1 July to Saturday 31 August Location: San FranciscoCourses: 2h & 4h GPS Map TrekPrice: $12 (2h) & $17 (4h)INTRODUCTIONPlanning is underway, check back later for details!