Home / San Diego / Fall 2026 / Half marathons
Fall half marathons near San Diego (2026)
7 half marathons on the calendar from September to November, starting with Halloween Trick or Trot Run 5K/10K/13.1 SAN Diego on Saturday October 31. 2 of them publish an upcoming price increase, so signing up early saves money.
All fall races5K races (22)10K races (10)Half marathons (7)Trail races (2)
By date
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Halloween Trick or Trot Run 5K/10K/13.1 SAN Diego
Sat Oct 31 · 7:30 AM · San Diego · San Diego (city)
1 mile5K10KHalf marathon
from $30 -
PB&J Fuel Run 5K/10K/13.1 SAN Diego
Sat Oct 31 · 7:30 AM · San Diego · San Diego (city)
1 mile5K10KHalf marathon
from $30 -
Silver Strand Veterans Day Half Marathon, 10 Miler, 12K & 5K - San Diego
Sun Nov 8 · 7:00 AM · Coronado · San Diego (city)
5K12K10 milesHalf marathon
from $58Goes up Oct 24 -
Thrive San Diego Half Marathon & 5K
Sat Nov 14 · 7:00 AM · San Diego · San Diego (city)
5KHalf marathon
from $64Goes up Oct 19 -
Run for Mental Health 5K/10K/13.1 SAN Diego
Sat Nov 14 · 7:30 AM · San Diego · San Diego (city)
1 mile5K10KHalf marathon
from $30 -
Veterans Day Freedom Run 5K/10K/13.1 SAN Diego
Sat Nov 14 · 7:30 AM · San Diego · San Diego (city)
1 mile5K10KHalf marathon
from $30 -
Coffee Lovers Run 5K/10K/13.1 SAN Diego
Sat Nov 28 · 7:30 AM · San Diego · San Diego (city)
1 mile5K10KHalf marathon
from $30