320 Throckmorton Street, Mill Valley, CA
The Quad Dipsea is a Running race in Mill Valley, California consisting of a 28.4 Miles.
Stairs, hills, and more hills. About 9,000 feet of vertical packed into 28 miles. It begins at 8:00AM at Old Mill Park (Throckmorton Avenue, Cascade Way, & Old Mill Street intersection), in Mill Valley, California. Within a few hundred yards the course heads up three flights of stairs as tall as a fifty-story building, and up some more through an old horse ranch to Windy Gap. Then it plunges down into Muir Woods, across Redwood Creek, and begins a tough grind up through both trees and grasslands over trail sections named Dynamite, The Hogsback, The Rainforest, and Cardiac. At the top of Cardiac, the course levels out with panoramic views
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