Water To Wine Half Marathon & 10-k (6.1) on August 6th 2017 is a road running event in Sonoma County. Starting and finishing at Kendall Jackson Wine Estate and Gardens. The Half Marathon course is 90% paved with two off-road sections through vineyards on hard packed dirt roads. The 10-k (6.1) course is 99% paved, only the last 100 yards will be hard packed dirt winery road.