5K Races in California — 2026

There are 720 5K races in California scheduled for 2026. The next is the Superhero 5K Fun Run in Union City on March 8. California 5K races run primarily March through August.

2026 St. Patrick's Day 5K Virtual Run - San Diego

Sat, Mar 14 · San Diego, CA San Diego

5K

From $19.72 Open Closing Soon

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Lake Norconian 5K Run/Walk

Sat, Mar 14 · Norco, CA Norco

Lake Norconian 5K Run/WalkStudent Lake Norconian 5K Run/Walk

From $25 Open Closing Soon

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St. Patrick's Day 5K Run / Community Walk (Riviera Village)

Sat, Mar 14 · Redondo Beach (Riviera Village), CA Redondo Beach (Riviera Village)

Kid's Dash - Ages 4-5 (Dash)Kid's Dash - Ages 6-7 (1/4 Mile)Kid's Dash - Ages 8-9 (1/4 Mile) +1

From $40 Open Closing Soon

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2026 St. Patrick's Day 5K Virtual Run - Butte County

Sat, Mar 14 · Butte County, CA Butte County

5K

From $19.72 Open Closing Soon

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2026 St. Patrick's Day 5K Virtual Run - Sacramento

Sat, Mar 14 · Sacramento, CA Sacramento

5K

From $19.72 Open Closing Soon

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2026 St. Patrick's Day 5K Virtual Run - Ventura

Sat, Mar 14 · Ventura, CA Ventura

5K

From $19.72 Open Closing Soon

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2026 St. Patrick's Day 5K Virtual Run - Dublin

Sat, Mar 14 · Dublin, CA Dublin

5K

From $19.72 Open Closing Soon

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2026 St. Patrick's Day 5K Virtual Run - Grass Valley

Sat, Mar 14 · Grass Valley, CA Grass Valley

5K

From $19.72 Open Closing Soon

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2026 St. Patrick's Day 5K Virtual Run - Sunset District San Francisco

Sat, Mar 14 · Sunset District San Francisco, CA Sunset District San Francisco

5K

From $19.72 Open Closing Soon

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2026 St. Patrick's Day 5K Virtual Run - Outer Richmond – San Francisco

Sat, Mar 14 · Outer Richmond – San Francisco, CA Outer Richmond – San Francisco

5K

From $19.72 Open Closing Soon

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2026 St. Patrick's Day 5K Virtual Run - Sierra Nevada

Sat, Mar 14 · Sierra Nevada, CA Sierra Nevada

5K

From $19.72 Open Closing Soon

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The Rocky Hill Triathlon

Sat, Mar 14 · Exeter, CA Exeter

5KShort CourseLong Course +1

From $47 Open Closing Soon

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St. Paddy's Day Lucky Run 5K/10K/13.1 SAN DIEGO

Sat, Mar 14 · San Diego, CA San Diego

Family 1 Mile Fun RunVirtual Run Registration5K Registration +3

From $30 Open Closing Soon

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St. Anthony High School's 17th Annual SAINTS RUN 5K

Sat, Mar 14 · Long Beach, CA Long Beach

AdultStudent (19 & Under)

From $30 Open Closing Soon

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Sloth Run 5K/10K/13.1 SAN DIEGO

Sat, Mar 14 · San Diego, CA San Diego

Family Fun Run 1 MileVirtual Run Registration (5K/10K/13.1)5K/10K/13.1 Eco-Registration (No Shirt) +3

From $30 Open Closing Soon

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2026 St. Patrick's Day 5K Virtual Run - San Jose

Sat, Mar 14 · San Jose, CA San Jose

5K

From $19.72 Open Closing Soon

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Leprechaun Chase – 5K, 10K, 10-Miler, Half Marathon

Sat, Mar 14 · Long Beach, CA Long Beach

5k10KHalf Marathon +1

From $24.5 Open Closing Soon

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Kappa Delta's Shamrock 5K Walk/Run

Sat, Mar 14 · San Bernardino, CA San Bernardino

Kappa Delta's Shamrock 5K (CSUSB Affiliated)Kappa Delta's Shamrock 5K Walk/Run

From $40 Open Closing Soon

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Honor Our Fallen 5K

Sun, Mar 15 · San Bernardino, CA San Bernardino

RunnerVirtual RunnerVirtual Runner + Tshirt +1

From $25 Open Closing Soon

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St Patrick's Day Run

Sun, Mar 15 · Fresno, CA Fresno

Green 2 MilerShamrock 4 Mile Run/WalkVirtual Run

From $35 Open Closing Soon

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Hornitos Run

Sun, Mar 15 · Hornitos, CA Hornitos

2-mile Race5-mile Race10-mile Race

From $40 Open Closing Soon

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RUN FOR RIO 5k

Sun, Mar 15 · Aptos, CA Aptos

RUN FOR RIO 1k (must be 10 & under)RUN FOR RIO 5kRUN FOR RIO 5k - VIRTUAL

From $10 Open Closing Soon

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EASTER FUN RUN 5K - BAKERSFIELD

Sun, Mar 15 · Bakersfield, CA Bakersfield

2 MILE WALKEASTER FUN 5KKIDS RUN

From $20 Open Closing Soon

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Novato Lucky Run 2026

Sun, Mar 15 · Novato, CA Novato

5K Run/Walk10K Run

From $35 Open Closing Soon

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REACH Foundation Shamrock 'n Run

Sun, Mar 15 · Anaheim, CA Anaheim

2K High School Student PYLUSD2K Elementary School Student PYLUSD2K Middle School Student PYLUSD +5

From $29.1 Open Closing Soon

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Shamrock 5k Fun Run and Walk

Sun, Mar 15 · Dublin, CA Dublin

Shamrock 5K Untimed Fun Run/WalkPara Division 5KShamrock 5K Competitive Run +1

From $25 Open Closing Soon

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The RODEO RUN 5K/10K

Sun, Mar 15 · Huntington State Beach, CA Huntington State Beach

5K Run/Walk10K Run/WalkLittle Cowpoke Dash (200 and 400 yards) or 1 Mile Kid's Fun Run

From $28 Open Closing Soon

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

Sun, Mar 15 · Long Beach, CA Long Beach

1 Miler5K10K +2

From $10 Open Closing Soon

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CSDR's 7th Annual Cub 5k Run/Walk hosted by the PE Department

Fri, Mar 20 · Riverside, CA Riverside

CSDR's 7th Annual CUB 5k Run/Walk

From $10 Open Closing Soon

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Mission Hills 5K

Sat, Mar 21 · San Diego, CA San Diego

5K Run/Walk

From $35 Open Closing Soon

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Corona 5000

Sat, Mar 21 · Corona, CA Corona

Corona 5000 5KVirtual Corona 5000 5K

From $30 Open Closing Soon

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Santiago Canyon College’s Hawk's Flight 5K

Sat, Mar 21 · Orange, CA Orange

Hawk's Flight 5KKid’s Trot (Hatchling Trot)

From $10 Open Closing Soon

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UC Merced Toloma 5K

Sat, Mar 21 · Merced, CA Merced

5K

From $20 Open

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19th Annual With Hope 5K

Sat, Mar 21 · Yorba Linda, CA Yorba Linda

Adult 5KStudent 5K (ages 5 - 18 years)

From $35 Open

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Tunnel to Towers 5K Run & Walk - Riverside County, CA

Sat, Mar 21 · Riverside, CA Riverside

First Responders & Military RegistrationChild Registration 13 to 17 yrsMoreno College Students +2

From $5 Open Closing Soon

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Hill Canyon Trail Trot 5k

Sat, Mar 21 · Camarillo, CA Camarillo

Hill Canyon Trail Trot 5K

From $35 Open Closing Soon

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EASTER FUN RUN 5K- CLOVIS

Sat, Mar 21 · Clovis, CA Clovis

Easter 2 Mile WalkEASTER 5K RUNKIDS FUN RUN

From $25 Open

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Buzz Marathon #26

Sat, Mar 21 · San Miguel, CA San Miguel

Children under age 12 Mile - In Person at Camp Roberts5K - In Person at Camp Roberts10K - In Person at Camp Roberts +5

From $10 Open Closing Soon

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Bok Kai 5k/10k

Sat, Mar 21 · Marysville, CA Marysville

Bok Kai 5kBok Kai 10K

From $25 Open Closing Soon

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Corporate Games 5K

Sat, Mar 21 · Ventura, CA Ventura

Virtual 5K5K Run/Walk In-Person

From $0 Open

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Fort Bragg Whale Run and Walk

Sat, Mar 21 · Fort Bragg, CA Fort Bragg

5K Run5K Fun Walk10K Run +2

From $10 Open

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Bakersfield Marathon

Sat, Mar 21 · Bakersfield, CA Bakersfield

Kids 1K6K10K +4

From $10 Open Closing Soon

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TRUSS Wines 5k Wine Run

Sat, Mar 21 · Paso Robles, CA Paso Robles

Volunteer Then Run 7:30am to 9:00am5k

From $15 Open Closing Soon 10 spots left

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Sea Splash Color Dash 5K

Sat, Mar 21 · Port Hueneme, CA Port Hueneme

Kids 1K5K Run/Walk

From $10 Closed

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Run for Roots: Heard It Through the Grapevine

Sat, Mar 21 · Fresno, CA Fresno

5k Run/WalkVirtual Run

From $30 Open Closing Soon

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Beer City Half™ Long Beach

Sat, Mar 21 · Long Beach, CA Long Beach

Beat The Beast Beer MileBeer Stroll5k +3

From $25 Open Closing Soon

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Downtown Visalia Kiwanis 0.5K Donut Run/Walk and Shoe Fling at Mooney Grove Park

Sat, Mar 21 · Visalia, CA Visalia

Downtown Visalia Kiwanis 0.5K Donut Run/Walk (Adult)Downtown Visalia 0.5K Donut Run/Walk (Youth - Under 18)

From $20 Open

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Spring Fling Duathlon/5k

Sun, Mar 22 · Fresno, CA Fresno

Virtual 5k5k Run/WalkDuathlon +2

From $45 Open Closing Soon

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Modesto Marathon

Sun, Mar 22 · Modesto, CA Modesto

5KVirtual 5KAssisted 5K +9

From $45 Open Closing Soon

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Wild for Moreland Community 5K (Run/Walk)

Sat, Mar 28 · San Jose, CA San Jose

Wild for Moreland Community 5K (Run/Walk)

From $33 Open

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