10K races in California, United States — 2026 running calendar

Jul

25

Run for Coffee Lovers 5K/10K/13.1 SAN DIEGO

San Diego, California, United States

Running

5K 10K Half-Marathon 1.6K +2

Jul

19

CaliFlow Verano Run - Griffith Park Summer 5K • 10K • 1 Miler

Los Angeles, California, United States

Running

5K 10K 1.6K

Jul

18

Davis Moonlight Run

Davis, California, United States

Running

5K 10K Half-Marathon 2K +1

Jul

18

Bad Bass

Castro Valley, California, United States

Running

Half-Marathon 10.3K 5.4K

Jul

18

Muir Woods Mt. Challenge

Stinson Beach, California, United States

Running

29.9K Half-Marathon 10K

Jul

18

Brian Waterbury Memorial Rock to Pier Run

Morro Bay, California, United States

Running

10K 9.7K Half-Marathon

Jul

18

Peach Festival 5k/10k

Marysville, California, United States

Running

5K 10K

Jul

16

Coveathlon #2

Newport Beach, California, United States

Swimrun Swimming Running

6K 1K 5K 10K +1

Jul

12

CaliFlow Poker Run: High Stakes & Happy Tails 5K. 10K. 1 Miler

Long Beach, California, United States

Running

5K 1.6K 10K

Jul

12

LBC Summer Breeze – 5K, 10K, 10M, and Half Marathon

Long Beach, California, United States

Running

5K 10K 15K Half-Marathon

Jul

12

Strides in Recovery Community Event

Long Beach, California, United States

Running

5K 10K 16.1K Half-Marathon +4

Jul

12

Fritchey Farms Presents: The Acres 10k

Ramona, California, United States

Running

10K