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10K Races in California

California has 254 upcoming 10K races scheduled for 2026. That is the 3rd-highest event count for 10K races of any state. The calendar runs year-round — busiest in July, September, and December, quietest in January, March, and April. Long Beach is the busiest city with 65 races, ahead of San Diego (30) and Los Angeles (30).

10K races by month in California

Sep (38) · Jul (35) · Dec (34) · Jun (32) · Aug (31) · Oct (31) · Nov (27) · Feb (7) · May (6) · Jan (5) · Mar (4) · Apr (4)

Showing 24 of 254

Running

Good Vibes Run – 5K, 10K, 10M, and Half Marathon

Long Beach, CA

Running

Good Vibes Run – 5K, 10K, 10M, and Half Marathon

June 14, 2026
Long Beach, CA
Details →
Rare Strides 5k, 10k, 15k, Half Marathon
Running

Rare Strides 5k, 10k, 15k, Half Marathon

June 14, 2026
Long Beach, CA
Details →
Rare Strides 5k, 10k, 15k, Half Marathon
Running

Rare Strides 5k, 10k, 15k, Half Marathon

June 14, 2026
Long Beach, CA
Details →
Good Vibes Run – 5K, 10K, 10M, and Half Marathon
Running

Good Vibes Run – 5K, 10K, 10M, and Half Marathon

June 14, 2026
Long Beach, CA
Details →
Sloth Run 5K/10K/13.1 LOS ANGELES
Running

Sloth Run 5K/10K/13.1 LOS ANGELES

June 20, 2026
Los Angeles, CA
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Run Juneteenth Day 5K/10K/13.1 SAN FRANCISCO
Running

Run Juneteenth Day 5K/10K/13.1 SAN FRANCISCO

June 20, 2026
San Francisco, CA
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Summer Solstice Run : 5K.10K. Half Marathon –by Califlow Runs
Running

Summer Solstice Run : 5K.10K. Half Marathon –by Califlow Runs

June 20, 2026
Long Beach, CA
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SoCal's Pirate's 5k/10k Run/Walk
Running

SoCal's Pirate's 5k/10k Run/Walk

June 20, 2026
Long Beach, CA
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Sloth Run 5K/10K/13.1 SAN FRANCISCO
Running

Sloth Run 5K/10K/13.1 SAN FRANCISCO

June 20, 2026
San Francisco, CA
Details →
Run Juneteenth Day 5K/10K/13.1 SACRAMENTO
Running

Run Juneteenth Day 5K/10K/13.1 SACRAMENTO

June 20, 2026
Sacramento, CA
Details →
Silicon Valley PRIDE 3rd Annual 5K & 10K
Running

Silicon Valley PRIDE 3rd Annual 5K & 10K

June 20, 2026
San Jose, CA
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Running

Happy Father's Day 5k, 10k, 15k, Half Marathon

Van Nuys, CA

Running

Happy Father's Day 5k, 10k, 15k, Half Marathon

June 20, 2026
Van Nuys, CA
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Sloth Run 5K/10K/13.1 SAN DIEGO
Running

Sloth Run 5K/10K/13.1 SAN DIEGO

June 20, 2026
San Diego, CA
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Running

Silicon Valley PRIDE 3rd Annual 5K & 10K

San Jose, CA

Running

Silicon Valley PRIDE 3rd Annual 5K & 10K

June 20, 2026
San Jose, CA
Details →
Sloth Run 5K/10K/13.1 SACRAMENTO
Running

Sloth Run 5K/10K/13.1 SACRAMENTO

June 20, 2026
Sacramento, CA
Details →
Run Juneteenth Day 5K/10K/13.1 SAN DIEGO
Running

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

June 20, 2026
San Diego, CA
Details →

Running

Summer Solstice Run : 5K.10K. Half Marathon –by Califlow Runs

Long Beach, CA

Running

Summer Solstice Run : 5K.10K. Half Marathon –by Califlow Runs

June 20, 2026
Long Beach, CA
Details →
Run Juneteenth Day 5K/10K/13.1 LOS ANGELES
Running

Run Juneteenth Day 5K/10K/13.1 LOS ANGELES

June 20, 2026
Los Angeles, CA
Details →
2026 Presidio Half Marathon, 10K, & 5K
Running

2026 Presidio Half Marathon, 10K, & 5K

June 21, 2026
San Francisco, CA
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Happy Father's 5k, 10k, 15k, Half Marathon
Running

Happy Father's 5k, 10k, 15k, Half Marathon

June 21, 2026
Long Beach, CA
Details →
Father’s Day Classic – 5K, 10K, 10-Miler, and Half Marathon
Running

Father’s Day Classic – 5K, 10K, 10-Miler, and Half Marathon

June 21, 2026
Long Beach, CA
Details →
La Noche de La Llorona Run SummerWeen Series 5K 10K Half by Califlow Runs
Running

La Noche de La Llorona Run SummerWeen Series 5K 10K Half by Califlow Runs

June 21, 2026
Long Beach, CA
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The Rock the Loch 5K/10K/Half Marathon (LIVE or Virtual)
Running

The Rock the Loch 5K/10K/Half Marathon (LIVE or Virtual)

June 26, 2026
Castro Valley, CA
Details →

Running

Father’s Day Classic – 5K, 10K, 10-Miler, and Half Marathon

Long Beach, CA

Running

Father’s Day Classic – 5K, 10K, 10-Miler, and Half Marathon

June 27, 2026
Long Beach, CA
Details →

Top Cities for 10K Races in California

Long Beach (65)Los Angeles (30)San Diego (30)Sacramento (26)San Francisco (21)

10K Races in Nearby States

ArizonaNevadaOregon

Frequently asked questions

How long is a 10K race?▾
A 10K is 6.2 miles (10 kilometers). It is a popular step-up distance from the 5K and a great intermediate goal for runners building toward a half marathon.
What is the largest 10K in the US?▾
The AJC Peachtree Road Race in Atlanta is the largest 10K in the world, drawing over 60,000 runners every Fourth of July. The BOLDERBoulder in Colorado is another massive 10K with 45,000+ participants.
What is a good 10K time?▾
The average US 10K finish time is around 55-60 minutes. Competitive runners aim for sub-45 minutes, while beginners often target finishing under 1 hour 10 minutes.
How do I train for a 10K?▾
A typical 10K training plan is 8-10 weeks with 3-4 runs per week, including one longer run that builds to 6-7 miles. If you can comfortably run a 5K, you are ready to start training for a 10K.
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