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

Big River Adventure

Mendocino, California, United States

30 May, 2026 (Sat)

Running, Walking

5K 10K

Run into Summer Vibes 5K, 10K, & Half Marathon

Venice Beach, California, United States

30 May, 2026 (Sat)

Running

5K 10K 16.3K

Steps for Vets Run-Walk-Roll (Long Beach)

Long Beach, California, United States

30 May, 2026 (Sat)

Running

5K 10K

Hills Are Alive Run/Walk

Rolling Hills Estates, California, United States

30 May, 2026 (Sat)

Running

5K 10K

Laguna Hills Memorial Day Half Marathon, 5K & 10K

Laguna Hills, California, United States

25 May, 2026 (Mon)

Running

Half-Marathon 10K 5K

Memorial Day 5K, 10K & Kids 1 Mile Run/Walk

Hemet, California, United States

25 May, 2026 (Mon)

Running

5K 10K 1.6K

Grubstake Days Run/Walk

Yucca Valley, California, United States

24 May, 2026 (Sun)

Running

2K 5K 10K

Pasadena Trails 50K Solo/50k Relay/10K

Pasadena, California, United States

24 May, 2026 (Sun)

Running

Ultra 10K

Sweet Life - Pineapple Run 5K. 10K. Half Marathon by Califlow Runs

Long Beach, California, United States

24 May, 2026 (Sun)

Running

5K 10K Half-Marathon 1.6K

43rd Annual Providence Saint John's Health Center Brentwood Run

Los Angeles, California, United States

24 May, 2026 (Sun)

Running

10K 5K 1K

China Camp Trail Run

San Rafael, California, United States

23 May, 2026 (Sat)

Running

Half-Marathon 10.3K 5K

Memorial Day Run 5K/10K/13.1 SAN DIEGO

San Diego, California, United States

23 May, 2026 (Sat)

Running

5K 10K Half-Marathon 1.6K +2