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

UMS Music Fun Run

Los Gatos, California, United States

04 Apr, 2027 (Sun)

$25.00

Running

5K

Modesto Marathon

Modesto, California, United States

04 Apr, 2027 (Sun)

$45.00 - $115.00

Running

Marathon Half-Marathon 10K 5K +8

Donut Stop Running

Stockton, California, United States

10 Apr, 2027 (Sat)

Free - $20.00

Running

5K 1K

San Diego Beach & Bay Half Marathon

San Diego, California, United States

10 Apr, 2027 (Sat)

Free - $95.00

Running

Half-Marathon 10K 5.1K 5K +1

Morgan Hill AAUW Wildflower Run

Morgan Hill, California, United States

11 Apr, 2027 (Sun)

$31.00 - $55.00

Running, Walking

10K 5K 2K +2

Nelson Family Vineyards Wine Run 5k

Ukiah, California, United States

17 Apr, 2027 (Sat)

$30.00

Running

5K

Clovis Rodeo 5K

Clovis, California, United States

17 Apr, 2027 (Sat)

$50.00 - $55.00

Running

5K 3.2K

Run for the Planet -An Earth Day Run by CaliFlow Runs - 5K, 10K, Half Marathon

Long Beach, California, United States

17 Apr, 2027 (Sat)

$25.00

Running

5K 10K Half-Marathon 1.6K

Mountains 2 Beach Marathon and Half

Ventura, California, United States

17 Apr, 2027 (Sat) – 18 Apr, 2027

$25.99 - $139.99

Running

5K 47.2K 26.1K 15K +4

Nail the Rail Half Marathon, 10K & 5K

Shasta Lake, California, United States

24 Apr, 2027 (Sat)

$29.00 - $69.00

Running

Half-Marathon 10K 5K

Orange County Multisport Festival

Mission Viejo, California, United States

25 Apr, 2027 (Sun)

$45.00 - $250.00

Triathlon, Aquabike, Running

Ultra 5K

Run, Fiesta, Repeat - Cinco de Mayo 5K, 10K, & Half Marathon

Long Beach, California, United States

01 May, 2027 (Sat)

$24.99 - $44.99

Running

5K 10K Half-Marathon