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Half Marathon Calendar near Santa Monica Mountains 2025-2026

Explore the top half marathons near Santa Monica Mountains for 2025-2026! We've gathered 37 exciting races in the area. Check out our detailed list below to find your next local race.

December 2025
Dec
13
Sa

The Best Races - Santa Monica

5 km 10 km 13 mi
Dec
13
Sa

ABWR Half Marathon - Van Nuys

5 km 10 km 15 km Half Marathon
Dec
14
Su

Santa To The Sea Half Marathon

5 km 10 km Half Marathon
Dec
20
Sa

Paramount Ranch Trail Runs

Trail Run 10 km Half Marathon ... Marathon 50 km
Dec
20
Sa

Clueless & Breathless Half

5 km 10 km Half Marathon
Dec
21
Su

Holly Jolly Half Marathon

5 km 10 km Half Marathon
Dec
25
Th

Jingle All the Way Half Marathon

5 km 10 km Half Marathon
Dec
27
Sa

The Best Races - Santa Monica

5 km 10 km 13 mi
Dec
27
Sa

Ring out the Old Half Marathon

5 km 10 km Half Marathon
January 2026
Jan
1
Th

ABWR Half Marathon - Valencia

Trail Run 5 km 10 km 15 km Half Marathon
Jan
10
Sa

Encino Man Ice Age Dash

5 km 10 km Half Marathon
February 2026
Feb
7
Sa

Boney Mountain Trail Run

Trail Run 7 km Half Marathon
Feb
7
Sa

Boney Mountain Trail Run

Trail Run 4 mi 13 mi
Feb
14
Sa

The Love Run – Half Marathon

5 km 10 km Half Marathon
Feb
22
Su

Ventura Marathon

Half Marathon Marathon
Feb
28
Sa

Will Rogers 24 Hour

Backyard Ultra 10 km Half Marathon ... 100 mi 24 hr
March 2026
Mar
14
Sa

The Terminator 2 Trot – Half Marathon

5 km 10 km Half Marathon
Mar
15
Su

ABWR Half Marathon - Van Nuys

5 km 10 km 15 km Half Marathon
Mar
21
Sa

Valencia Trail Race

Trail Run 10 km Half Marathon 50 km
April 2026
Apr
11
Sa

Nature Made Great Race: Half Marathon

Trail Run 5 km 10 km ... 10 mi Half Marathon