October 2026 races in San Diego

There are 13 running events listed in San Diego for October 2026 — 11 5K, 8 10K, 6 Half Marathon, 3 Trail Run — starting with Rock 'n' Roll San Jose on Sat, Oct 3, 2026. Every listing shows the date, venue, and distances, with a direct link to registration.

• Sat, Oct 3, 2026 Rock 'n' Roll San Jose Downtown San Jose 5K10KHalf Marathon Road
• Sat, Oct 3, 2026 Awesome 80's Run 585 Harbor Ln · San Diego, CA · From $45 5K10K Road
• Sun, Oct 4, 2026 Hallo-Thanks-Mas Dash – 5K, 10K, and Half Marathon 200 Marina Park Way · San Diego, CA · From $30 5K10KHalf Marathon Road
• Sat, Oct 10, 2026 Bagel Run 5K/10K/13.1 SAN DIEGO Waterfront Trail (Course Maps will be emailed) · San Diego, CA · From $30 5K10KHalf Marathon Road
• Sat, Oct 10, 2026 Coffee Lovers Run 5K/10K/13.1 SAN DIEGO Waterfront Trail (Course Maps will be emailed) · San Diego, CA · From $30 5K10KHalf Marathon Road
• Sat, Oct 10, 2026 San Diego - HFTC 5k 1740 E Mission Bay Dr · San Diego, CA 5K Road
• Sat, Oct 17, 2026 Lake Hodges Trail Festival Piedras Pintadas Trailhead · San Diego, CA · From $15 5K10KTrail Run Trail
• Sat, Oct 17, 2026 2026 San Diego Miles for Melanoma 5K 3000 N Mission Bay Dr · San Diego, CA · From $15 5K Road
• Sun, Oct 18, 2026 SD HipHop 5k 4343 Ocean View Blvd · San Diego, CA · From $35 5K Road
• Sat, Oct 24, 2026 Bike The Coast Pierview Way · Oceanside, CA · From $35 Trail Run Trail
• Sat, Oct 31, 2026 Halloween Trick or Trot Run 5K/10K/13.1 SAN DIEGO Mission Point (Course Map will be emailed) · San Diego, CA · From $30 5K10KHalf Marathon Road
• Sat, Oct 31, 2026 PB&J Fuel Run 5K/10K/13.1 SAN DIEGO Mission Point (Course Map will be emailed) · San Diego, CA · From $30 5K10KHalf Marathon Road
• Sat, Oct 31, 2026 Filthy 50+ - MTB Ride with Benefits 18194 Bandy Canyon Rd · Escondido, CA · From $20 Trail Run Trail

Quick answers

How many races are there in San Diego in October 2026?

13 running events are listed in San Diego for October 2026, from Rock 'n' Roll San Jose on Sat, Oct 3, 2026 to Filthy 50+ - MTB Ride with Benefits on Sat, Oct 31, 2026. Every listing links directly to registration.

What distances can I race in San Diego in October?

The October 2026 calendar in San Diego includes 11 5K, 8 10K, 6 Half Marathon, 3 Trail Run.

What is the first race of October 2026 in San Diego?

Rock 'n' Roll San Jose on Sat, Oct 3, 2026 at Downtown San Jose.