Home / SF Bay Area / Fall 2026 / Half marathons
Fall half marathons near the Bay Area (2026)
16 half marathons on the calendar from September to November, starting with Oakland Hills Trail Run on Saturday October 24. 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)
By date
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Reg. closed
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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 -
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 -
ZombieRunner Halloween
Sat Oct 31 · 7:55 AM · San Jose · South Bay & San Jose
2 miles5K10KHalf marathonMarathonTrail
from $25Goes up Oct 25 -
see site
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Mt. Tam Trail Run
Sat Nov 7 · 7:30 AM · Stinson Beach · Marin
10KHalf marathon18.5 miles30.5 milesTrail
Reg. closed -
RunThrough San Francisco at Crissy Field 5k, 10k & Half Marathon
Sat Nov 7 · 8:00 AM · San Francisco · San Francisco
5K10KHalf marathon
from $50 -
Lake Chabot Trail Run
Sat Nov 7 · 8:20 AM · Castro Valley · East Bay
2 miles5K4.8 milesHalf marathon30KMarathonTrail
from $25Goes up Nov 1 -
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 -
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 -
from $25Goes up Nov 8
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see site
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Zoom Turkey Trot
Thu Nov 26 · 8:05 AM · San Jose · South Bay & San Jose
2 miles5K10KHalf marathonTrail
from $25Goes up Nov 20 -
Coffee Lovers Run 5K/10K/13.1 San Francisco
Sat Nov 28 · 7:30 AM · San Mateo · Peninsula
1 mile5K10KHalf marathon
from $30 -
Thanksgiving Gobble Trot Run 5K/10K/13.1 San Francisco
Sat Nov 28 · 7:30 AM · San Mateo · Peninsula
1 mile5K10KHalf marathon
from $30 -
from $67Goes up Nov 9