Home / SF Bay Area / Fall 2026 / Half marathons

Fall half marathons near the Bay Area (2026)

Updated October 17, 2026

16 half marathons are on the calendar near the Bay Area in fall 2026, starting with Oakland Hills Trail Run on Saturday, October 24 in Oakland. That covers September to November. 5 of them publish an upcoming price increase, so signing up early saves money.

All fall races5K races (45)10K races (24)Half marathons (16)Marathons (2)Ultramarathons (2)Trail races (10)

• Sat24Oct

  Oakland Hills Trail Run

  Sat Oct 24 · 8:30 AM · Oakland · East Bay

  10KHalf marathon22.7 milesTrail

  Reg. closed
• Sat31Oct

  Halloween Trick or Trot Run 5K/10K/13.1 San Francisco

  Sat Oct 31 · 7:30 AM · San Francisco · San Francisco

  1 mile5K10KHalf marathon

  from $30
• Sat31Oct

  PB&J Fuel Run 5K/10K/13.1 San Francisco

  Sat Oct 31 · 7:30 AM · San Francisco · San Francisco

  1 mile5K10KHalf marathon

  from $30
• Sat31Oct

  ZombieRunner Halloween

  Sat Oct 31 · 7:55 AM · San Jose · South Bay & San Jose

  2 miles5K10KHalf marathonMarathonTrail

  from $25Goes up Oct 25
• Sun1Nov

  Golden Gate Half Marathon & 5K

  Sun Nov 1 · 6:50 AM · San Francisco · San Francisco

  5KHalf marathon

  see site
• Sat7Nov

  Mt. Tam Trail Run

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

  10KHalf marathon18.5 miles30.5 milesTrail

  Reg. closed
• Sat7Nov

  RunThrough San Francisco at Crissy Field 5k, 10k & Half Marathon

  Sat Nov 7 · 8:00 AM · San Francisco · San Francisco

  5K10KHalf marathon

  from $50
• Sat7Nov

  Lake Chabot Trail Run

  Sat Nov 7 · 8:20 AM · Castro Valley · East Bay

  2 miles5K4.8 milesHalf marathon30KMarathonTrail

  from $25Goes up Nov 1
• Sat14Nov

  Run for Mental Health 5K/10K/13.1 San Francisco

  Sat Nov 14 · 7:30 AM · San Francisco · San Francisco

  1 mile5K10KHalf marathon

  from $30
• Sat14Nov

  Veterans Day Freedom Run 5K/10K/13.1 San Francisco

  Sat Nov 14 · 7:30 AM · San Francisco · San Francisco

  1 mile5K10KHalf marathon

  from $30
• Sat14Nov

  ZombieRunner Quarry Lakes

  Sat Nov 14 · 8:05 AM · Fremont · East Bay

  2 miles5K10KHalf marathonTrail

  from $25Goes up Nov 8
• Sun15Nov

  Berkeley Half Marathon

  Sun Nov 15 · 7:30 AM · Berkeley · East Bay

  5K10KHalf marathon

  see site
• Thu26Nov

  Zoom Turkey Trot

  Thu Nov 26 · 8:05 AM · San Jose · South Bay & San Jose

  2 miles5K10KHalf marathonTrail

  from $25Goes up Nov 20
• Sat28Nov

  Coffee Lovers Run 5K/10K/13.1 San Francisco

  Sat Nov 28 · 7:30 AM · San Mateo · Peninsula

  1 mile5K10KHalf marathon

  from $30
• Sat28Nov

  Thanksgiving Gobble Trot Run 5K/10K/13.1 San Francisco

  Sat Nov 28 · 7:30 AM · San Mateo · Peninsula

  1 mile5K10KHalf marathon

  from $30
• Sat28Nov

  Quarry Turkey

  Sat Nov 28 · 8:00 AM · Fremont · East Bay

  5K10KHalf marathon

  from $67Goes up Nov 9

• Winter 2026-2734 races
• Spring 202736 races
• Summer 202717 races

Quick answers

How many half marathons are near the Bay Area in fall 2026?

16 half marathons are listed near the Bay Area in fall 2026. The first is Oakland Hills Trail Run on Saturday, October 24 in Oakland, and the last is Quarry Turkey on November 28.

What is the cheapest half marathon near the Bay Area in fall 2026?

ZombieRunner Halloween on October 31 has the lowest listed entry fee: $25. Prices are before the registration platform's processing fee.

When does the next early-bird price end for half marathons near the Bay Area?

ZombieRunner Halloween: the 5K goes from $50 to $60 after October 25. 4 more of these half marathons publish a later price increase.

Are there half marathons or marathons near the Bay Area in fall 2026?

Yes: 16 half marathons and 2 marathons. The first is Oakland Hills Trail Run on October 24.