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Half Marathon Calendar near Simi Valley 2025-2026

Explore the top half marathons near Simi Valley for 2025-2026! We've gathered 46 exciting races in the area. Check out our detailed list below to find your next local race.

July 2025
Jul
5
Saturday

The Best Races - Santa Monica

5 km 10 km 13 mi
Jul
6
Sunday

Stars & Stripes Half Marathon - Valencia

5 km 10 km 15 km 13 mi
Jul
12
Saturday

Run, Forest, Run Half Marathon

5 km 10 km 13 mi
Jul
13
Sunday

Shoreline Marathon

5 km 10 km 13 mi 26 mi
Jul
20
Sunday

Summer Lovin Half Marathon

5 km 10 km 13 mi
Jul
20
Sunday

Rockin Summer Half Marathon - Lake View Terrace

5 km 10 km 15 km 13 mi
Jul
26
Saturday

Santa's Summer Stride Half Marathon

5 km 10 km 13 mi
Jul
26
Saturday

The Best Races - Santa Monica

5 km 10 km 13 mi
August 2025
Aug
2
Saturday

Monsters of the Deep Half Marathon

5 km 10 km 13 mi
Aug
2
Saturday

The Best Races - Santa Monica

5 km 10 km 13 mi
Aug
3
Sunday

Camarillo Marathon

5 km 10 km 13 mi 26 mi
Aug
9
Saturday

Endless Summer - Half Marathon

5 km 10 km 13 mi
Aug
16
Saturday

The Best Races - Santa Monica

5 km 10 km 13 mi
Aug
30
Saturday

The Best Races - Santa Monica

5 km 10 km 13 mi
September 2025
Sep
7
Sunday

Surfers Point Marathon

5 km 10 km 13 mi 26 mi
Sep
13
Saturday

The Best Races - Santa Monica

5 km 10 km 13 mi
Sep
14
Sunday

Pirates Plunder Half Marathon

5 km 10 km 13 mi
Sep
21
Sunday

No Name 5025

Trail Run 5 km 13 mi 50 km
Sep
21
Sunday

Cheeseboro Canyon Trail Run

Trail Run 5 km 13 mi 50 km
Sep
27
Saturday

The Best Races - Santa Monica

5 km 10 km 13 mi
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