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Half marathons in Marin (2026-27)

4 upcoming half marathons in Marin in the next 12 months. The next is Mt. Tam Trail Run on Saturday November 7 in Stinson Beach.

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• Sat7Nov

  Mt. Tam Trail Run

  Sat Nov 7 · 7:30 AM · Stinson Beach · Marin

  10KHalf marathon18.5 miles30.5 milesTrail

  Reg. closed
• Sat5Dec

  Peacock Gap Trail Run

  Sat Dec 5 · 8:30 AM · San Rafael · Marin

  10KHalf marathon19.5 milesTrail

  Reg. closed
• Sat6Feb

  Golden Gate Trail Run

  Sat Feb 6 · 7:50 AM · Sausalito · Marin

  2 miles8KHalf marathon30KMarathon50KTrail

  from $60Goes up Jan 31
• Sat21Aug

  Double Dipsea

  Sat Aug 21 · 7:00 AM · Stinson Beach · Marin

  Half marathonTrail

  from $180Reg. closed