Home / San Diego / Winter 2026-27 / Half marathons
Winter half marathons near San Diego (2026-27)
16 half marathons on the calendar from December to February, starting with The Improve Every Day Half Marathon on Saturday December 12. 3 of them publish an upcoming price increase, so signing up early saves money.
All winter races5K races (26)10K races (16)Half marathons (16)Marathons (2)
By date
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The Improve Every Day Half Marathon
Sat Dec 12 · 6:00 AM · San Diego · San Diego (city)
Half marathon
from $45 -
Run for Breast Cancer 5K/10K/13.1 SAN Diego
Sat Dec 12 · 7:30 AM · San Diego · San Diego (city)
1 mile5K10KHalf marathon
from $30 -
San Diego Holiday Half Marathon & 5K
Sat Dec 19 · 7:30 AM · San Diego · San Diego (city)
5KHalf marathon
from $63Goes up Nov 2 -
A Merry Christmas Run 5K/10K/13.1 SAN Diego
Sat Dec 26 · 7:30 AM · San Diego · San Diego (city)
1 mile5K10KHalf marathon
from $30 -
New Year's Run 5K/10K/13.1 SAN Diego
Sat Dec 26 · 7:30 AM · San Diego · San Diego (city)
1 mile5K10KHalf marathon
from $30 -
San Diego 50 & Trail Runs
Sat Jan 9 · 7:00 AM · Escondido · North County
1 mile5K5 miles10 milesHalf marathonMarathonTrail
from $15Goes up Oct 27 -
MLK Jr. Freedom Run 5K/10K/13.1 SAN Diego
Sat Jan 16 · 7:30 AM · San Diego · San Diego (city)
1 mile5K10KHalf marathon
from $30 -
Sunrise Marathon 5K/10K/13.1 SAN Diego
Sat Jan 16 · 7:30 AM · San Diego · San Diego (city)
1 mile5K10KHalf marathon
from $30 -
Carlsbad Marathon, Half Marathon & 5K
Sun Jan 17 · 6:15 AM · Carlsbad · North County
5KHalf marathonMarathon
see site -
Coffee Lover Run SAN Diego
Sat Jan 30 · 7:30 AM · San Diego · San Diego (city)
1 mile5K10KHalf marathon
from $30 -
Run for Donut SAN Diego
Sat Jan 30 · 7:30 AM · San Diego · San Diego (city)
1 mile5K10KHalf marathon
from $30 -
Run for Chocolate 5K/10K/13.1 SAN Diego
Sat Feb 13 · 7:30 AM · San Diego · San Diego (city)
1 mile5K10KHalf marathon
from $30 -
Valentine's Day Run 5K/10K/13.1 SAN Diego
Sat Feb 13 · 7:30 AM · San Diego · San Diego (city)
1 mile5K10KHalf marathon
from $30 -
Run For Mental Health SAN Diego
Sat Feb 27 · 7:30 AM · San Diego · San Diego (city)
1 mile5K10KHalf marathon
from $30 -
Run Together Against Breast Cancer SAN Diego
Sat Feb 27 · 7:30 AM · San Diego · San Diego (city)
1 mile5K10KHalf marathon
from $30 -
Navy Ten-Miler
Sun Feb 28 · 7:00 AM · Chula Vista · East County & South Bay
1 mile5K10 milesHalf marathon
from $20Goes up Jan 2