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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 49 exciting races in the area. Check out our detailed list below to find your next local race.

June 2025
Jun
1
Sunday

Seaside Marathon

5 km 10 km 13 mi 26 mi
Jun
1
Sunday

Fun in the Sun Half Marathon - Lake View Terrace

5 km 10 km 15 km 13 mi
Jun
7
Saturday

Malibu Canyon Trail Races

Trail Run 13 mi 30 km ... 50 mi 100 km
Jun
7
Saturday

Beachfront Run Half Marathon

5 km 10 km 13 mi
Jun
14
Saturday

Sugar Daddy Race

5 km 10 km 13 mi
Jun
14
Saturday

Happy Father's Day Half Marathon - Lake Balboa

5 km 10 km 15 km 13 mi
Jun
14
Saturday

The Best Races - Santa Monica

5 km 10 km 13 mi
Jun
21
Saturday

Strawberry Moon Run Half Marathon

5 km 10 km 13 mi
Jun
21
Saturday

The Best Races - Santa Monica

5 km 10 km 13 mi
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
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