Upcoming 5K Races Near Lake Forest, CA

Organize a race? Get it in front of thousands of runners.

Add it free Feature it

Four Fools Wine Run 5k

Rodeo, CA

Saturday, June 13th, 2026

Featured

View details for race Four Fools Wine Run 5k

Temecula Half Marathon, 10K, 5K

Temecula, CA

Sunday, November 8th, 2026

Half

10K

View details for race Temecula Half Marathon, 10K, 5K

Shark Attack 5K & 1 Mile Run

Corona, CA

Sunday, November 8th, 2026

1 Mile

Fast

View details for race Shark Attack 5K & 1 Mile Run

Camp Turkey Terror: Night- Friday the 13th Dera...

Long Beach, CA

Friday, November 13th, 2026

10K

Half

View details for race Camp Turkey Terror: Night- Friday the 13th Deranged Turkey Trot: 5K. 10K. Half Marathon by Califlow Runs

The Stuffing Shuffle – 5K, 10K, Half Marathon

Fountain Valley, CA

Saturday, November 14th, 2026

10K

Half

View details for race The Stuffing Shuffle – 5K, 10K, Half Marathon

Huffin for the Stuffin- Turkey Trot 5K, 10K, &...

Long Beach, CA

Saturday, November 14th, 2026

10K

Half

View details for race Huffin for the Stuffin- Turkey Trot 5K, 10K, & Half Marathon

Race to Cure Sarcoma Los Angeles

Los Angeles, CA

Sunday, November 15th, 2026

View details for race Race to Cure Sarcoma Los Angeles

City of Artesia 5K Run/Walk

Artesia, CA

Saturday, November 21st, 2026

View details for race City of Artesia 5K Run/Walk

Terrain Race | Irvine 2026

Silverado, CA

Saturday, November 21st, 2026

View details for race Terrain Race | Irvine 2026

MVRRC 13th Annual Turkey Run 1M, 5K and 10K Race

Perris, CA

Saturday, November 21st, 2026

10K

1 Mile

View details for race MVRRC 13th Annual Turkey Run 1M, 5K and 10K Race

Giving Thanks 5k, 10k, 15k, Half Marathon

Long beach, CA

Saturday, November 21st, 2026

15K

Half

View details for race Giving Thanks 5k, 10k, 15k, Half Marathon

Annual San Bernardino Turkey Trot

San Bernardino, CA

Saturday, November 21st, 2026

10K

View details for race Annual San Bernardino Turkey Trot

Friendsgiving: Turkey Trot 5K, 10K, Half Marath...

Long Beach, CA

Sunday, November 22nd, 2026

10K

1 Mile

Fast

View details for race Friendsgiving: Turkey Trot 5K, 10K, Half Marathon by Califlow Runs

LA Classic Turkey Trot

Los Angeles, CA

Sunday, November 22nd, 2026

15K

View details for race LA Classic Turkey Trot

Redlands Turkey Trot

Redlands, CA

Thursday, November 26th, 2026

View details for race Redlands Turkey Trot

Plymouth Rock n Run

Anaheim, CA

Thursday, November 26th, 2026

10K

Trail

View details for race Plymouth Rock n Run

Pre-Registration 2026 Plymouth Rock n Run

Anaheim, CA

Thursday, November 26th, 2026

10K

Trail

View details for race Pre-Registration 2026 Plymouth Rock n Run

10th Annual Turkey Trot on The Ranch

Rancho Mission Viejo, CA

Thursday, November 26th, 2026

10K

View details for race 10th Annual Turkey Trot on The Ranch

Irvine/Orange County Turkey Trot 5K & 1 Mile

Irvine, CA

Thursday, November 26th, 2026

1 Mile

Fast

View details for race Irvine/Orange County Turkey Trot 5K & 1 Mile

13th Annual Turkey Trot OC 5K

Tustin, CA

Thursday, November 26th, 2026

View details for race 13th Annual Turkey Trot OC 5K

Temecula Turkey Trot & Food Drive 2025

Temecula, CA

Thursday, November 26th, 2026

Fast

View details for race Temecula Turkey Trot & Food Drive 2025

Turkey Trot (Friday) 5k, 10k, 15k, Half Marathon

Long beach, CA

Friday, November 27th, 2026

10K

15K

View details for race Turkey Trot (Friday) 5k, 10k, 15k, Half Marathon

Turkey Trot (Saturday) 5k, 10k, 15k, Half Marathon

Anaheim, CA

Saturday, November 28th, 2026

Half

15K

View details for race Turkey Trot (Saturday) 5k, 10k, 15k, Half Marathon

Seasons Greetings 5k, 10k, 15k, Half Marathon

Long beach, CA

Saturday, December 5th, 2026

10K

Half

View details for race Seasons Greetings 5k, 10k, 15k, Half Marathon

South Pasadena Tiger Run 5K/10K

South Pasadena, CA

Saturday, December 5th, 2026

10K

View details for race South Pasadena Tiger Run 5K/10K

2026 Jingle Bell Run - Orange County & Inland E...

Anaheim, CA

Saturday, December 5th, 2026

10K

View details for race 2026 Jingle Bell Run - Orange County & Inland Empire

Santa Runs Griffith Park

Los Angeles, CA

Sunday, December 6th, 2026

10K

Fast

View details for race Santa Runs Griffith Park

Merry Miles- 5K, 10K, and Half Marathon by Ca...

Long Beach, CA

Sunday, December 6th, 2026

10K

Half

View details for race Merry Miles- 5K, 10K, and Half Marathon by Califlow Runs

‘A CHARLIE BROWN CHRISTMAS 5K/10K’ (Los Angeles...

Los Angeles, CA

Saturday, December 12th, 2026

10K

Fast

View details for race ‘A CHARLIE BROWN CHRISTMAS 5K/10K’ (Los Angeles, CA)

Santa Claus For A Cause 5K/10K

Huntington Beach, CA

Saturday, December 12th, 2026

10K

View details for race Santa Claus For A Cause 5K/10K

Lights for Life 5K

Murrieta, CA

Saturday, December 12th, 2026

View details for race Lights for Life 5K

Winter Runderland 5K, 10K, & Half Marathon. Kid...

Long Beach, CA

Sunday, December 13th, 2026

10K

Half

Fast

View details for race Winter Runderland 5K, 10K, & Half Marathon. Kids Dash

Reindeer Run Riverside 5k, 10k, 15k, Half Marathon

Riverside, CA

Sunday, December 13th, 2026

15K

Half

View details for race Reindeer Run Riverside 5k, 10k, 15k, Half Marathon

40th Annual Tinsel Triathlon

Hemet, CA

Sunday, December 13th, 2026

Fast

View details for race 40th Annual Tinsel Triathlon

The Jingle Bell Dash Kids Dash, 1 Miler, 5K, 10...

Long Beach, CA

Saturday, December 19th, 2026

10K

Half

View details for race The Jingle Bell Dash Kids Dash, 1 Miler, 5K, 10K and Half Marathon & Santa Paws Doggie Run

Winter Whirl – 5K, 10K, Half Marathon

Fountain Valley, CA

Saturday, December 19th, 2026

10K

Half

View details for race Winter Whirl – 5K, 10K, Half Marathon

MVRRC 13th Annual Jingle Bell Holiday Run 1-M, ...

Perris, CA

Saturday, December 19th, 2026

10K

1 Mile

Fast

View details for race MVRRC 13th Annual Jingle Bell Holiday Run 1-M, 5K and 10K

Golden Eagle Track Fest & 5K

Los Angeles, CA

Saturday, December 19th, 2026

1 Mile

View details for race Golden Eagle Track Fest & 5K

Reindeer Run GP 5k, 10k, 15k, Half Marathon

Los Angeles, CA

Saturday, December 19th, 2026

10K

15K

Trail

View details for race Reindeer Run GP 5k, 10k, 15k, Half Marathon

Santa’s Reindeer Run - 5K, 10K, and Half Marathon

Huntington Beach, CA

Sunday, December 20th, 2026

10K

Half

View details for race Santa’s Reindeer Run - 5K, 10K, and Half Marathon

Reindeer Run LB 5k, 10k, 15k, Half Marathon

Long beach, CA

Sunday, December 20th, 2026

Half

15K

View details for race Reindeer Run LB 5k, 10k, 15k, Half Marathon

Jingle All the Way - Christmas Day 5K, 10K, Hal...

Long Beach, CA

Friday, December 25th, 2026

10K

Half

View details for race Jingle All the Way - Christmas Day 5K, 10K, Half Marathon, Kids Dash by Califlow Runs

Happy Holidays 5k, 10k, 15k, Half Marathon

Long beach, CA

Saturday, December 26th, 2026

Half

10K

View details for race Happy Holidays 5k, 10k, 15k, Half Marathon

Last Dash Before Midnight 5K, 10K, & Half Marat...

Long Beach, CA

Thursday, December 31st, 2026

10K

Half

View details for race Last Dash Before Midnight 5K, 10K, & Half Marathon by Califlow Runs

Run In The New Year 5k/10K/Half Marathon

Huntington Beach, CA

Friday, January 1st, 2027

10K

Half

Fast

View details for race Run In The New Year 5k/10K/Half Marathon

Griffith Park Resolution Run

Los Angeles, CA

Sunday, January 3rd, 2027

Half

12K

Trail

View details for race Griffith Park Resolution Run

Citrus Heritage Run

Riverside, CA

Saturday, January 9th, 2027

Half

10K

View details for race Citrus Heritage Run

Grievances & Gratitude Run – New Year Reset 5K ...

Long Beach, CA

Saturday, January 9th, 2027

10K

Half

View details for race Grievances & Gratitude Run – New Year Reset 5K 10K Half Marathon

LASAA Mug Run - Altadena Forever Run

Altadena, CA

Sunday, January 10th, 2027

10K

View details for race LASAA Mug Run - Altadena Forever Run

Define Your Glow 5K, 10K, Half Marathon by Cali...

Long Beach, CA

Saturday, January 16th, 2027

10K

Half

View details for race Define Your Glow 5K, 10K, Half Marathon by Califlow Runs

Polar Bear Run 5K, 10K, and Half Marathon by Ca...

Long Beach, CA

Saturday, January 23rd, 2027

10K

Half

View details for race Polar Bear Run 5K, 10K, and Half Marathon by Califlow Runs

Prev 2 35 Next

Explore more in Lake Forest, CA

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

Distance

5K 10K Half Marathon Marathon

Month

June July August

Race type

Trail Boston Qualifiers Fast Courses

Run clubs

Run clubs in Lake Forest

Nearby

Irvine Silverado Ladera Ranch Newport Beach Anaheim Fountain Valley All California races