Course
28 Mile28 mi
Key dates
- ✓Entries openedSat 1 Aug 2026
- ★Race daySat 28 Nov 2026
Date confirmed with the organiser · entry window checked by RunCalendar
About
The Quad Dipsea is a point-to-point-and-back trail ultramarathon that covers the famous Dipsea Trail four times between Mill Valley and Stinson Beach, California. The route climbs over Mount Tamalpais and includes the iconic Dipsea Steps, with roughly 28 miles and significant elevation gain.
Your next race, seen from above.
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Save Quad Dipsea to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
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