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Upcoming 5K Races In California, US in March, 2026

16th Annual Mardi Gras Madness 5K/10K!

Valencia, CA

Sunday, March 1st, 2026

5K

10K

Trail

View details for race 16th Annual Mardi Gras Madness 5K/10K!

Pre-Registration Screenland 5K 2026

Culver City, CA

Sunday, March 1st, 2026

1 Mile

5K

View details for race Pre-Registration Screenland 5K 2026

Screenland 5K

Culver City, CA

Sunday, March 1st, 2026

5K

1 Mile

View details for race Screenland 5K

Lakewood Run

Lakewood, CA

Saturday, March 7th, 2026

5K

10K

View details for race Lakewood Run

Bayshore 70.4 -- Sprint Triathlon---

Long Beach, CA

Saturday, March 7th, 2026

10K

5K

View details for race Bayshore 70.4 -- Sprint Triathlon---

Catalina Island Marathon, 10K, 5K

Avalon, CA

Saturday, March 14th, 2026

Marathon

10K

5K

Trail

View details for race Catalina Island Marathon, 10K, 5K

The Rocky Hill Triathlon

Exeter, CA

Saturday, March 14th, 2026

5K

View details for race The Rocky Hill Triathlon

Fort Bragg Whale Run and Walk

Fort Bragg, CA

Saturday, March 14th, 2026

Half

10K

5K

Trail

View details for race Fort Bragg Whale Run and Walk

Beer City Half™ Long Beach

Long Beach, CA

Saturday, March 21st, 2026

Half

10K

5K

View details for race Beer City Half™ Long Beach

2025 Annual 5K Walk/Run With Hope

Yorba Linda, CA

Saturday, March 21st, 2026

5K

View details for race 2025 Annual 5K Walk/Run With Hope

Modesto Marathon

Modesto, CA

Sunday, March 22nd, 2026

10K

1 Mile

5K

View details for race Modesto Marathon

United Health Centers Foundation Fun Run

Fresno, CA

Saturday, March 28th, 2026

10K

5K

View details for race United Health Centers Foundation Fun Run

Golden State 5K

San Francisco, CA

Sunday, March 29th, 2026

5K

View details for race Golden State 5K

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