The 2025 event has concluded.

San Diego Holiday Half Marathon

San Diego, CA, USADecember 20, 2025
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Race Day Weather

partly-cloudy-day
48°
66° high
Breezy
Dry

Cool start, warm finish

Runners will face a temperature rising from 48°F at the start to a warm 65°F by the finish. With a light breeze from the SSW at 9 mph and humidity at 77%, maintaining hydration will be essential. As temperatures increase, runners should consider adjusting their pace to avoid overheating.

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Pace Calculator

Distance: 13.1mi
0:00:00
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Pace
Weather Adj.
Common Goals:

The San Diego Holiday Half Marathon is a fast 13.1 mile course that starts on Penasquitos Drive and Carmel Mountain Road, then travels SW along Carmel Mountain Rd (your only ‘real’ hill at mile 1.5), along the 56 bike path and finishes at the beautiful Torrey Pines State Beach. The race includes a 711-foot net elevation drop along the “rolling” downhill bike path, which also makes it a personal best candidate. This popular winter half has been a sell out event every year and sure to sell out for 2023. Get your end of the year PR!!! Source

Area Map

Course Map

FAQ

When is the 2025 San Diego Holiday Half Marathon?

The 2025 San Diego Holiday Half Marathon will be held on Saturday December 20, 2025.

Historical Weather

Based on 2 years of data
Avg Temp
70°F
L:49° H:74°
RunScore
8
Conditions
Rain Freq
0%
0 of 2 yrs
Wind9mph
Dew36°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScore
2024
clear-day
47°/69°-
8
2023
clear-day
51°/79°-
8