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Marathons in Napa & Sonoma (2026-27)

1 upcoming marathons in Napa & Sonoma in the next 12 months. The next is Napa Valley Marathon & Half on Sunday March 7 in Napa.

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• Sun7Mar

  Napa Valley Marathon & Half

  Sun Mar 7 · 7:00 AM · Napa · Napa & Sonoma

  5KHalf marathonMarathon

  see site