October 2026 races in Portland

There are 19 running events listed in Portland for October 2026 — 17 5K, 10 10K, 6 Half Marathon, 1 Marathon, 1 Trail Run — starting with 1st Annual Ostomy 5k, Portland OR on Sat, Oct 3, 2026. Every listing shows the date, venue, and distances, with a direct link to registration.

• Sat, Oct 3, 2026 1st Annual Ostomy 5k, Portland OR NW Corner of SE César E. Chávez Blvd. and Stark Street · Portland, OR · From $30 5K Road
• Sat, Oct 3, 2026 2026 Runtoberfest - Support McMinnville Schools! 615 NE 15th Street · McMinnville, OR · From $10 5K Road
• Sun, Oct 4, 2026 Portland Marathon N/A · Portland, OR Marathon Road
• Sun, Oct 4, 2026 2026 Hit the Barlow Trail Run/Walk & Kid's Dash 5105 SE 302nd Avenue · Gresham, OR · From $25 5KTrail Run Trail
• Sun, Oct 4, 2026 Perk Yourself Up 5k & 10k 1859 S Township Road · Canby, OR · From $35 5K10K Road
• Sat, Oct 10, 2026 Haunted 5K, 10K & 13.1M at Camas, WA (41) 303 NW Lake Rd · Camas, WA · From $30 5K10KHalf Marathon Road
• Sat, Oct 10, 2026 Running Scared 5K/13K - Portland (Washougal) 3333 Index St · Washougal, WA · From $25 5K Road
• Sat, Oct 10, 2026 ORRC Best Dam Run - 10K 4th Ave and S Broadway · Estacada, OR · From $49 10K Road
• Sat, Oct 17, 2026 2026 Miller Woods 10K & 5K - Supporting Yamhill County CASA 5580 NW Orchard View Rd · Mcminnville, OR · From $35 5K10K Road
• Sat, Oct 17, 2026 Haunted 5K, 10K, 13.1M at Vancouver, WA (42) 800 NE 117th St · Vancouver, WA · From $30 5K10KHalf Marathon Road
• Sat, Oct 17, 2026 Race for the Warriors Club Paesano 3800 W Powell Loop · Gresham, OR · From $55 5K Road
• Sun, Oct 18, 2026 2026 Run for Health Justice Gabriel Park · Portland, OR · From $45 5K Road
• Sun, Oct 18, 2026 Future Foxes Fox Trot 400 N James St · Silverton, OR · From $30 5K Road
• Sun, Oct 18, 2026 Girlfriends Run 695 Waterfront Way · Vancouver, WA · From $55 5K10KHalf Marathon Road
• Sat, Oct 24, 2026 Haunted 5K, 10K & 13.1M at Camas, WA (43) 303 NW Lake Rd · Camas, WA · From $30 5K10KHalf Marathon Road
• Sat, Oct 24, 2026 The Great Pumpkin Run 1221 SE Oaks Park Way · Portland, OR · From $35 5K10KHalf Marathon Road
• Sat, Oct 24, 2026 Scary Run Washoual City Hall · Washougal, WA · From $35 5K10K Road
• Sat, Oct 31, 2026 Medal Madness 5K, 10K, 13.1M at Vancouver, WA (44) 800 NE 117th St · Vancouver, WA · From $30 5K10KHalf Marathon Road
• Sat, Oct 31, 2026 ADFK 5k Trick or Trot! 200 Water St NE · Salem, OR · From $31 5K Road

Quick answers

How many races are there in Portland in October 2026?

19 running events are listed in Portland for October 2026, from 1st Annual Ostomy 5k, Portland OR on Sat, Oct 3, 2026 to ADFK 5k Trick or Trot! on Sat, Oct 31, 2026. Every listing links directly to registration.

What distances can I race in Portland in October?

The October 2026 calendar in Portland includes 17 5K, 10 10K, 6 Half Marathon, 1 Marathon, 1 Trail Run.

What is the first race of October 2026 in Portland?

1st Annual Ostomy 5k, Portland OR on Sat, Oct 3, 2026 at NW Corner of SE César E. Chávez Blvd. and Stark Street.