Found 293 races near Rancho Cucamonga, CA

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AUG
23

Irvine, CA
• 51.5 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
568
AUG
1

Green Valley Lake, CA
• 23.0 miles
$40 -$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
555
AUG
8

Crestline, CA
• 50.3 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
528
OCT
11

Long Beach, CA
• 41.5 miles
Iconic Southern California marathon featuring a fast, flat oceanfront course through Long Beach's scenic coastline, perfect for Boston qualifiers and beginners alike.
3m Half Marathon Marathon
420
OCT
11

Montebello, CA
• 30.5 miles
Join the 10K & 5K races in Montebello with finisher medals - register now for this exciting running event!
5K 10K
391
JUL
4

IRVINE, CA
• 45.5 miles
$25 -$56
1 Mile in IRVINE. Fast course perfect for PRs
0m 1m 5K
370
FEB
27

Culver City, CA
• 45.9 miles
$11 -$40
Pre-Registration Screenland 5K - Support a great cause while running in Culver City
5K
309
AUG
16

Long Beach, CA
• 42.0 miles
$15 -$60
A scenic charity 5K through Long Beach marina supporting the HearAid Foundation. Features Queen Mary views while raising funds for hearing aids for those in need.
5K
248
AUG
29

Playa Del Rey, CA
• 49.6 miles
$12 -$85
Join runners in Playa Del Rey for this race featuring finisher medal & costume-friendly with race shirt included.
1K 5K 13K 14m
240
OCT
17

Beverly Hills, CA
• 47.2 miles
Join runners in Beverly Hills for this race with race shirt included.
1K 5K
196
AUG
1

Culver City, CA
• 45.4 miles
Unique evening 5K featuring 282-step stair climb at Baldwin Hills Scenic Overlook with stunning LA views and post-race celebration.
5K
193
JUN
21

Cerritos, CA
• 22.4 miles
USATF-certified Boston Qualifier marathon on flat, fast San Gabriel River bike path designed for personal records and qualifying times with multiple distance options.
6m Marathon 31m
183
NOV
25

Anaheim, CA
• 22.4 miles
$10 -$45
Run in Anaheim with scenic views. Family-friendly event
0m 1K 5K 10K
157
JUN
5

Long Beach, CA
• 40.5 miles
$5 -$70
Pre Reg 2027 - Support a great cause while running in Long Beach
0m 1K 5K 10K 10m Half Marathon
152
JUL
12

long beach, CA
• 26.4 miles
$25 -$40
It's time for our Summer Break 5k, 10k, 15k, Half Marathon fun run/walk!!! Check-in - 7-7:30AM for everyone Start - 7:30AM Included in registration — - custom finisher medals - drawstring goodie...
5K 10K 15K Half Marathon
137
JUL
4

Ladera Ranch, CA
• 38.5 miles
$8 -$70
Road with benefiting the charities and family-friendly
1K 5K 10K
126
AUG
30

La Canada, CA
• 34.0 miles
$40 -$45
The 9th Annual Foster The Future 5/10K Run/Walk Beyond Foster Care Wellness Fest is coming to Pasadena, California. Join us for this is a wonderful wellness opportunity to help support Journey...
5K 10K
125
JUN
20

Los Angeles, CA
• 36.8 miles
$35 -$40
Mission Possible Run/Walk is proud to be supporting the Aztlan Athletics Foundation. For more information about their mission, please visit their website: AztlanAthleticsFoundation.org.
5K 10K
118
OCT
25

Long Beach, CA
• 39.4 miles
$15 -$52
🎃 Trick or Trot 5K, 10K & Half MarathonSunday, October 25, 2026 | Long Beach, CA👻 Our 2nd-Year Anniversary Run! Witches, goblins, ghouls, and more — come run the coast in costume lore!It’s our...
0m 5K 10K Half Marathon
113
JUL
25

Long Beach, CA
• 29.4 miles
$29 -$58
Challenge in Long Beach, CA with finisher medal
5K 10K Half Marathon
109