282 Upcoming 5K Races Near Altadena, CA

KCF Calabasas 5K Run

Calabasas, CA

Sunday, September 27th, 2026

1 Mile

View details for race KCF Calabasas 5K Run

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

Riverside, CA

Sunday, September 27th, 2026

Half

10K

View details for race Golden Strides 5k, 10k, 15k, Half Marathon

Walk for Water 5K Los Angeles

Los Angeles, CA

Saturday, October 3rd, 2026

Trail

View details for race Walk for Water 5K Los Angeles

Glow for the Goal

Palmdale, CA

Saturday, October 3rd, 2026

View details for race Glow for the Goal

Organize a race? Add it free — over 100,000 runners use Find The Run every month.

Add it free Feature it

Cabrillo Beach 5K

San Pedro, CA

Saturday, October 3rd, 2026

10K

View details for race Cabrillo Beach 5K

Cypress Run

Cypress, CA

Saturday, October 3rd, 2026

View details for race Cypress Run

Spooky Dash 5k, 10k, 15k, Half Marathon

Long beach, CA

Saturday, October 3rd, 2026

Half

15K

10K

View details for race Spooky Dash 5k, 10k, 15k, Half Marathon

Mean Girls 5K, 10K & Half Marathon

Canoga Park, CA

Saturday, October 3rd, 2026

10K

Half

Fast

View details for race Mean Girls 5K, 10K & Half Marathon

Reyes Adobe Days "RAD" 5K

Agoura Hills, CA

Sunday, October 4th, 2026

1 Mile

Fast

View details for race Reyes Adobe Days "RAD" 5K

Palos Verdes Trails 5K

Palos Verdes Peninsula, CA

Sunday, October 4th, 2026

View details for race Palos Verdes Trails 5K

Haunted Heroes 5k, 10k, 15k, Half Marathon

Valencia, CA

Sunday, October 4th, 2026

Half

10K

View details for race Haunted Heroes 5k, 10k, 15k, Half Marathon

Rock It in Chino Hills 5K & 10K

Brea, CA

Saturday, October 10th, 2026

10K

Trail

View details for race Rock It in Chino Hills 5K & 10K

Long Beach Race for Rare 5K Run & Walk Event

Long Beach, CA

Saturday, October 10th, 2026

1 Mile

View details for race Long Beach Race for Rare 5K Run & Walk Event

Bubble Run | Irvine 2026

Silverado, CA

Saturday, October 10th, 2026

View details for race Bubble Run | Irvine 2026

2026 2XU Long Beach Marathon & Half Marathon

Long Beach, CA

Saturday, October 10th, 2026

Half

Marathon

View details for race 2026 2XU Long Beach Marathon & Half Marathon

Montebello Heritage 5K/10K

Montebello, CA

Sunday, October 11th, 2026

10K

View details for race Montebello Heritage 5K/10K

Witch Way to the Polls 2026

Los Angeles, CA

Sunday, October 11th, 2026

View details for race Witch Way to the Polls 2026

SPACEROCK Trail Race

Aqua Dulce, CA

Saturday, October 17th, 2026

10K

Trail

View details for race SPACEROCK Trail Race

11th Annual Combat Cancer Walk

Corona, CA

Saturday, October 17th, 2026

View details for race 11th Annual Combat Cancer Walk

Dam Spooky 5k, 10k, 15k, Half Marathon

Lake View Terrace, CA

Saturday, October 17th, 2026

Half

15K

View details for race Dam Spooky 5k, 10k, 15k, Half Marathon

2026 Boyle Heights 5K Run/Walk

Los Angeles, CA

Saturday, October 17th, 2026

View details for race 2026 Boyle Heights 5K Run/Walk

Howl-O-Ween Doggie 5K, 1 Miler by Califlow Runs

Long Beach, CA

Saturday, October 17th, 2026

1 Mile

Fast

View details for race Howl-O-Ween Doggie 5K, 1 Miler by Califlow Runs

Back to the Future: 88 MPH Dash 5K, 10K & Half

Canoga Park, CA

Saturday, October 17th, 2026

10K

Half

View details for race Back to the Future: 88 MPH Dash 5K, 10K & Half

Night of the Living Runners – 5K, 10K, 10-Miler...

Long Beach, CA

Saturday, October 17th, 2026

10K

10 Miles

View details for race Night of the Living Runners – 5K, 10K, 10-Miler, Half Marathon

SPACEROCK Trail Race

Agua Dulce, CA

Saturday, October 17th, 2026

15K

10K

Trail

View details for race SPACEROCK Trail Race

POMONA 5K & 10K

Pomona, CA

Saturday, October 17th, 2026

View details for race POMONA 5K & 10K

2026 Cal Tri LA - 10.18.26

Playa Del Rey, CA

Sunday, October 18th, 2026

10K

View details for race 2026 Cal Tri LA - 10.18.26

Jeepers Creepers Marathon 2026 - JeepersCreeper...

Santa Clarita, CA

Sunday, October 18th, 2026

Marathon

Half

10K

View details for race Jeepers Creepers Marathon 2026 - JeepersCreepersMarathon.com

Beverly Hills Run of the Stars: 2026

Beverly Hills, CA

Sunday, October 18th, 2026

View details for race Beverly Hills Run of the Stars: 2026

Pre Registration 2026 - Beverly Hills Run of th...

Beverly Hills, CA

Sunday, October 18th, 2026

View details for race Pre Registration 2026 - Beverly Hills Run of the Stars

Witches Wave - Halloween Run 5K, 10K, and Half ...

Huntington Beach, CA

Sunday, October 18th, 2026

10K

Half

Fast

View details for race Witches Wave - Halloween Run 5K, 10K, and Half Marathon

RunThrough USA Long Beach 5k,10k & Half Maratho...

Long Beach, CA

Saturday, October 24th, 2026

10K

Half

View details for race RunThrough USA Long Beach 5k,10k & Half Marathon Race

SoCal's Sunset Trick or Trot 5k/10K - Halloween...

Huntington Beach, CA

Saturday, October 24th, 2026

10K

Fast

View details for race SoCal's Sunset Trick or Trot 5k/10K - Halloween Race

Monster Dash 5k, 10k, 15k, Half Marathon

Long beach, CA

Saturday, October 24th, 2026

Half

10K

View details for race Monster Dash 5k, 10k, 15k, Half Marathon

Run4Recovery 5K Run/Walk

Covina, CA

Saturday, October 24th, 2026

View details for race Run4Recovery 5K Run/Walk

Vaquero Strong 5K

IRVINE, CA

Saturday, October 24th, 2026

View details for race Vaquero Strong 5K

Malibu Moves: Half Marathon, 10K, 5K, 1-Mi & 1K

Malibu, CA

Saturday, October 24th, 2026

Half

Fast

View details for race Malibu Moves: Half Marathon, 10K, 5K, 1-Mi & 1K

Hop Skip and Splash 5K Fun Run/Walk

Huntington Beach, CA

Sunday, October 25th, 2026

View details for race Hop Skip and Splash 5K Fun Run/Walk

Finish The Ride and Finish The Run Santa Clarita

Valencia, CA

Sunday, October 25th, 2026

10K

Ultra

View details for race Finish The Ride and Finish The Run Santa Clarita

1 IN 5K Dyslexia Dash

Los Angeles, CA

Sunday, October 25th, 2026

Trail

View details for race 1 IN 5K Dyslexia Dash

Alhambra Pumpkin Run 2026

Alhambra, CA

Sunday, October 25th, 2026

10K

View details for race Alhambra Pumpkin Run 2026

Trick or Trot 5K, 10K, and Half Marathon by Cal...

Long Beach, CA

Sunday, October 25th, 2026

10K

Half

View details for race Trick or Trot 5K, 10K, and Half Marathon by Califlow Runs

Sharsheret West Coast Dash

Playa Del Rey, CA

Sunday, October 25th, 2026

10K

View details for race Sharsheret West Coast Dash

Finish The Ride and Finish The Run Santa Clarit...

Valencia, CA

Sunday, October 25th, 2026

10K

View details for race Finish The Ride and Finish The Run Santa Clarita 2026

Spooky Shuffle – 5k, 10k, Half Marathon

Van Nuys, CA

Sunday, October 25th, 2026

10K

Half

View details for race Spooky Shuffle – 5k, 10k, Half Marathon

Haunted Valley 5k, 10k, 15k, Half Marathon

Simi Valley, CA

Sunday, October 25th, 2026

Half

10K

View details for race Haunted Valley 5k, 10k, 15k, Half Marathon

Howl-o-ween Doggie Dash 5K

Los Angeles, CA

Saturday, October 31st, 2026

Trail

Fast

View details for race Howl-o-ween Doggie Dash 5K

Whittier Spooktacular 5K

Whittier, CA

Saturday, October 31st, 2026

View details for race Whittier Spooktacular 5K

Northgate Market 5K

Anaheim, CA

Saturday, October 31st, 2026

View details for race Northgate Market 5K

The Long Beach Halloween Run 5K. 10K. Half Mara...

Long Beach, CA

Saturday, October 31st, 2026

10K

Half

Fast

View details for race The Long Beach Halloween Run 5K. 10K. Half Marathon by Califlow Runs

Prev 1 24 5 Next

Explore more in Altadena, CA

Jump straight to races by distance, month, or type.

Distance

5K 10K Half Marathon Marathon

Month

July August September

Race type

Trail Boston Qualifiers Fast Courses

Run clubs

Run clubs in Altadena

Nearby

South El Monte Los Angeles Sylmar Beverly Hills San Dimas Culver City All California races