Double Dipsea

AUG

22

2026

Tackle the legendary Double Dipsea, a 13.7-mile out-and-back on the historic Dipsea Trail from Stinson Beach. This unique race features a handicapped start, putting all runners on a single-track course of constant passing. Experience the hills, stairs, and tradition of this iconic event.

Sat 22 Aug 2026

Stinson Beach, California

Website

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Event Overview

The Double Dipsea is a 13.7-mile trail run. The 56th edition of the event will take place on August 22, 2026, starting in Stinson Beach, California.

Course Details

The course is an out-and-back route on the Dipsea Trail. It begins at Stinson Beach, runs the length of the trail to Mill Valley, and returns to the start. The route is mostly single-track and features many stairs and hills.

Race Format

The event uses a unique handicapped start system. Runners start at different times based on their speed, with the slowest starting first and the fastest starting last. This format means runners frequently pass and are passed by others on the narrow trail throughout the race.

History

The race was first held in 1970. It was the favorite race of Walt Stack, founder of the Dolphin South End Runners Club (DSE), and now carries his name. Visit the organization's website for the most recent information.

Double Dipsea