What is the schedule for the Napa to Sonoma Wine Country Half Marathon? Twain July 07, 2021 03:09 Updated You can find the Event Schedule for the 2021 Napa to Sonoma Wine Country Half Marathon here. Related articles How do I get to the start line? Can I get dropped off at the start line? Where can I find a course map? How do I get from the finish line back to my car? When and where can I pick-up my race packet?