5K races in California, United States — 2026 running calendar

She Runs Long Beach - National Women's Day Run 5K • 10K • Half Marathon

Long Beach, California, United States

Mar 7, 2027 (Sun)

$40.00 - $60.00

Running

5K 10K Half-Marathon

Beer City Half™ San Diego

San Diego, California, United States

Mar 13, 2027 (Sat)

$30.00 - $100.00

Running

Half-Marathon 10K 5K 1.6K +1

St. Patrick's Day 5k

Bakersfield, California, United States

Mar 13, 2027 (Sat)

$35.00

Running

5K

The Rocky Hill Triathlon

Exeter, California, United States

Mar 13, 2027 (Sat)

$47.00 - $50.00

Running

5K 10K

Catalina Island Marathon, 10K, 5K

Avalon, California, United States

Mar 13, 2027 (Sat)

$25.00 - $369.00

Trail running, Running

Marathon 10K 5K 1K +1

Zoom San Francisco

San Francisco, California, United States

Mar 13, 2027 (Sat)

Free - $70.00

Trail running, Running

5K 10K Half-Marathon 3.2K +4

The Long Beach Leprechaun Run - Kids Dash, 1 Miler, 5k, 10K, & Half Marathon by Califlow Runs

Long Beach, California, United States

Mar 14, 2027 (Sun)

$20.00 - $38.99

Running

1.6K 5K 10K Half-Marathon

Beer City Half™ Long Beach

Long Beach, California, United States

Mar 20, 2027 (Sat)

$30.00 - $90.00

Running

Half-Marathon 10K 5K 1.6K +1

Run for Roots: Heard It Through the Grapevine

Fresno, California, United States

Mar 20, 2027 (Sat)

$35.00 - $50.00

Running

5K 2.4K

Fort Bragg Whale Run and Walk

Fort Bragg, California, United States

Mar 20, 2027 (Sat)

$35.00 - $45.00

Running

Half-Marathon 10K 5K

Signal Hill Rotary Mutt Run 1K & 5K

Long Beach, California, United States

Mar 20, 2027 (Sat)

$25.00 - $35.00

Running

5K 1K

Run4Sharks & Ocean Health Fair 5k Fundraiser...Custom medal to all Finishers! Timed 5k on a new flat course in Long Beach

Long Beach, California, United States

Mar 27, 2027 (Sat)

$30.00

Running

5K