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Races near Seattle in August 2027

6 races on the calendar for August. Listed by date, with prices and early-bird deadlines where the race publishes them.

Oct 2026Nov 2026Dec 2026Jan 2027Feb 2027Mar 2027Apr 2027May 2027Jun 2027Jul 2027Aug 2027Sep 2027

• Sun1Aug

  Craft Classic Seattle

  Sun Aug 1 · 7:30 AM · Redmond · Eastside & South King

  5KHalf marathon

  from $37Goes up Nov 1
• Sun8Aug

  18th Lake Union 10K Run/Walk

  Sun Aug 8 · 8:00 AM · Seattle · Seattle (city)

  10K

  from $69Reg. closed
• Sun8Aug

  Vashon Dock to Dock Run - 15 mile Run and Relay

  Sun Aug 8 · 9:00 AM · Vashon · Eastside & South King

  5 miles15 miles

  from $65Reg. closed
• Sat14Aug

  One Step Closer

  Sat Aug 14 · 5:00 AM · Seattle · Seattle (city)

  2.2 milesTrail

  from $65Goes up Dec 31
• Sat21Aug

  Run A Muk 5k/10k

  Sat Aug 21 · 9:00 AM · Mukilteo · Snohomish County

  5K10K

  from $25Reg. closed
• Sun29Aug

  Iron Horse Half Marathon

  Sun Aug 29 · 7:00 AM · North Bend · Eastside & South King

  Half marathonTrail

  from $97Goes up Jan 1