Found 109 races

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JUL
18

San Clemente, CA
• 31.2 miles
$30 -$80
Two-day coastal competition with ocean swims, beach runs and surf at San Clemente Pier.
5K
34
JUL
19

South El Monte, CA
• 55.1 miles
$35 -$50
It's time for our Rockin' Summer 5k, 10k, 15k, Half Marathon at Whittier Narrows Recreation Area! 7:45AM Start time on 7/19 Sunday. Included in registration — - custom finisher medals -...
5K 10K 15K Half Marathon
49
JUL
20

Mountain Center, CA
• 21.1 miles
$175
Five day high school cross country camp at Lake Hemet with a 2 mile time trial
34
JUL
30

Newport Beach, CA
• 40.7 miles
$45 -$110
REGISTER for a single race - or bundle multiple races and save! REGISTRATION INCLUDES: Stylish Race T-shirtSilicone Swim CapFree Race PhotosChip Timing & Live ResultsSpecial edition long-sleeve...
1K 5K 10K
33
AUG
1

Green Valley Lake, CA
• 47.3 miles
$41 -$90
A stunning mountain race through San Bernardino National Forest featuring lake views, forest trails, and 400ft elevation gain with exceptional community atmosphere.
5K 10K Half Marathon
577
AUG
1

Baldwin Park, CA
• 30.2 miles
$15 -$37
The City of Baldwin Park will be hosting the 31st Annual Pride of the Valley 5K & 10K Run, Walk, on August 1, 2026, at 8:00am. 19 age categories with 1st, 2nd and 3rd place winners receiving...
5K 10K
34
AUG
6

Newport Beach, CA
• 59.2 miles
$45 -$110
REGISTER for a single race - or bundle multiple races and save!  REGISTRATION INCLUDES: Stylish Race T-shirtSilicone Swim CapFree Race PhotosChip Timing & Live ResultsSpecial edition long-sleeve...
1K 5K 10K
35
AUG
8

Crestline, CA
• 54.2 miles
$50 -$60
Historic 46th annual mountain race around scenic Lake Gregory at 4,720ft elevation through pine forests. 5K and 10K distances.
5K 10K
551
AUG
9

Costa Mesa, CA
• 41.2 miles
$55 -$60
Run, walk, or skip through the OC Fair! Choose between the 5K or the 1.1 mile carnival detour dash. August 9, 2026 | 8:00 AM OC Fair & Event Center | 88 Fair Dr. Costa Mesa CA
1m 5K
29
AUG
15

Big Bear Lake, CA
• 34.1 miles
$59 -$69
The longest, hardest mile you will ever run: a 1,000 foot climb at Snow Summit.
1m
65
AUG
15

Idyllwild, CA
• 54.0 miles
$5 -$80
Historic race 10K trail with challenging terrain and post-race festivities
5K 10K
123
AUG
15

YORBA LINDA, CA
• 38.2 miles
DescriptionGather a team of up to 4 people and join us for another Puzzle-Palooza at the Yorba Linda Cultural Arts Center! Each team will receive the same 500 piece puzzle and race to finish the...
19
AUG
22

South El Monte, CA
• 55.2 miles
$20 -$50
For over 40 years, the Al Rivera Menudo Run 5K/10K has reached athletes, novices, family, friends, and community members. This event historically begins on a beautiful August morning at Whittier...
5K 10K
41
AUG
23

Irvine, CA
• 44.0 miles
$32 -$43
The WILD RIVERS SPLASH DASH 5K SUNDAY, AUGUST 23, 2026 plus a kid's DUCKY DASH   A 'cool' Run.  Chose SPLASH DASH 5k (if you want to get to plunge through the wild river before the finish line.)...
2m 5K
604
AUG
29

Pomona, CA
• 51.3 miles
Nighttime glow 5K with DJs, UV lights, and blacklight cannons.
18
AUG
29

Pomona, CA
• 51.3 miles
A family-friendly, non-competitive 5K through colorful bubbles at Pomona Fairplex.
20
SEP
5

Fullerton, CA
• 49.3 miles
$25 -$55
Join us for the second event in our Sunset series - The Sunset Mile! Music, food and running! Celebrate a night under the lights with us by running 4 laps on the track! This event is open to all...
19
SEP
5

Norwalk, CA
• 54.8 miles
$35 -$45
The alumni of Cerritos High School have attempted to organize an event to help support to school while also providing, the community, coaches, parents, supporters, families, and those who just...
3m
14
SEP
12

Riverside, CA
• 27.9 miles
$45
  Race Description Join us for a full chipped timed 5K race on the beautiful campus of Riverside City College. This scenic course showcases the college's impressive athletics facilities and takes...
18
SEP
12

San Dimas, CA
• 54.4 miles
$45 -$55
  Pink Patch 5K Run/Walk Join us for the annual Pink Patch 5K Run/Walk, a powerful community event dedicated to breast cancer awareness and support. On September 12, 2026, participants will...
5K
15