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Best Ontario, California Races

View some of the best races in Ontario, California! RaceMob's race calendar allows you to find races that suits your needs. Use our advanced filters below or calendar on the right, and discover new races. We try to maintain up to date information, and rely heavily on our community of volunteers. If you find a race that we're missing, use the "Suggest Race" button on the right. Find RaceMob discounts that others have added or add deals that you've discovered.

    Pasadena, CA

    28.21 miles away

    I'm Attending

    ASICS DEMO AT YOUR OWN PACE at Run With Us

    Can't make it out to one of the LARR Monthly Meet Ups? Not to worry! You can stop by Run With Us and test drive a pair of GEL-Cumulus 23 or GEL-Nimbus 23 Mon-Fri throughout the last 2 weeks of May! Pick a day, reserve your size online, and take th...

    Los Angeles, CA

    33.77 miles away

    I'm Attending

    2021 LA 1/2 K Kids Run

    When: Saturday, March 20, 2021 at 9:30 a.m. Where: The distance is approximately 1/2 kilometer or slightly longer than a quarter mile Age Requirement: Recommended for children between 3-8 years oldEvent details and schedule

    • 5K

    Glendora, CA

    13.12 miles away

    I'm Attending

    Run 4 Their Lives 5K Glendora

    Run 4 Their Lives is a Freedom 4/24 event that raises awareness and funds to bring sexually exploited women and children into freedom.  Run 4 Their Lives is Freedom 4/24’s race series which is held in cities across the United States to bring comm...

    Big Bear Lake, CA

    46.61 miles away

    I'm Attending

    2021 So Cal Enduro Series #6 - Big Bear #2

    VENUE LOCATION: Big Bear Lake, CA Check out teambigbear.com for complete scheduleEvent details and schedulePlease go to the WWW.SOCALENDUROSERIES.COM website for the most current series information. USAC sanctioned - an annual license is required...

    Big Bear Lake, CA

    46.61 miles away

    I'm Attending

    2021 California MTB Series #5 - Big Bear #2

    VENUE LOCATION: Bear Mountain Resort Big Bear Lake, CA Cross-country and Endurance Schedule: Friday Jun 4: 2:00 pm  – 4:00 pm               Packet pick-up @ Bear Mountain Saturday Jun 5: 8:00 am – 11:00 am  Packet pick-up @ Bear Mountain Sunday J...

    Fawnskin, CA

    43.52 miles away

    I'm Attending

    25th Annual Holcomb Valley Trail Run

    VENUE LOCATION: Holcomb Valley - Big Bear Lake, CA Race Starts at Meadows Edge Picnic Area. http://www.holcombvalleytrailruns.com/   Please visit the event website for the most current event information.Event details and schedulePlease visit the ...

    • , 10K, 5K

    Huntington Beach, CA

    34.16 miles away

    I'm Attending

    SoCal's Pirate's 5k/10k Run/Walk

    DESCRIPTION: It's a Pirate's Life for all of us!  Ships Ahoy.  We are going to have a LIVE In-person event with PIRATE's themed encampment at the start, finish, and on the course!  BOLSA CHICA STATE BEACH .Corner of Warner Blvd and Pacific Coast...

    Big Bear Lake, CA

    46.61 miles away

    I'm Attending

    2021 So Cal Enduro Series #7 - Big Bear #3

    VENUE LOCATION: Big Bear Lake, CA Check out teambigbear.com for complete scheduleEvent details and schedulePlease go to the WWW.SOCALENDUROSERIES.COM website for the most current series information. USAC sanctioned - an annual license is required...

    Big Bear Lake, CA

    46.61 miles away

    I'm Attending

    2021 California MTB Series #6 - Big Bear #3

    VENUE LOCATION: Bear Mountain Resort Big Bear Lake, CA Cross-country and Endurance Schedule: Friday Jun 18: 2:00 pm  – 4:00 pm               Packet pick-up @ Bear Mountain Saturday Jun 19: 8:00 am – 11:00 am   Packet pick-up @ Bear Mountain Sunda...

    Los angeles, CA

    33.94 miles away

    I'm Attending

    Freedom Race ( American Eagle ) 13.1 /10k/5k/1k Remote -Race

    Freedom Race (American Eagle) 13.1M /10k/5k/1k Remote Race, Challenges & Extra Medals (Remote Race) This means that site you can choose whatever you prefer. This can be at park, beach, stadium, GYM another race, favorite place, treadmill, nea...

    • 5K,

    Anaheim, CA

    22.52 miles away

    I'm Attending

    ANAHEIM-4th of July-Red, White, & Blue... or BREW 5K ANAHEIM

    Hear the FIFE n DRUMS! Kick of your 4th of July in a Healthy way. Race, run, jog, or walk SO CAL's BEST THEMED 4th of July Running race! Welcome to the Annual RED, WHITE, & BLUE or BREW 4th of July run on 4th of JULY!  Every participant recei...

    Santa Clarita, CA

    49.5 miles away

    I'm Attending

    2021 Grit OCR

    WELCOME TO GRIT OCR Prepare to experience a new obstacle course race (OCR) that digs deep and challenges you to push yourself to new levels of physical endurance and strength fitness. Located in the spectacular mountains north of Los Angele...

    TBA, MN

    6.59 miles away

    I'm Attending

    2021 Summer Camp - Day 1

    World's Best Marathon & Half Series! No Time Limits Great Food Best Medals Loony Community!   We RUN this country, TOGETHER!Event details and schedulePlease check our website for details.

    TBA, MN

    6.59 miles away

    I'm Attending

    2021 Summer Camp - Day 2

    World's Best Marathon & Half Series! No Time Limits Great Food Best Medals Loony Community!   We RUN this country, TOGETHER!Event details and schedulePlease check our website for details.

    Santa Ana, CA

    26.8 miles away

    I'm Attending

    Track and Field Returners Summer Camp (07/19-8/11)

    Track & Field Summer Camp is mandatory for all returning Track Athletes. Only returning Track Athletes may register. The main focus of summer camp is improving muscle mechanics, and general conditioning. Please go to the Track Summer Camp...

    TBA, MN

    6.59 miles away

    I'm Attending

    2021 Summer Camp - Day 3

    World's Best Marathon & Half Series! No Time Limits Great Food Best Medals Loony Community!   We RUN this country, TOGETHER!Event details and schedulePlease check our website for details.

    TBA, MN

    6.59 miles away

    I'm Attending

    2021 Summer Camp - Day 4

    World's Best Marathon & Half Series! No Time Limits Great Food Best Medals Loony Community!   We RUN this country, TOGETHER!Event details and schedulePlease check our website for details.

    TBA, MN

    6.59 miles away

    I'm Attending

    2021 Summer Camp - Day 5

    World's Best Marathon & Half Series! No Time Limits Great Food Best Medals Loony Community!   We RUN this country, TOGETHER!Event details and schedulePlease check our website for details.

    • , 5K

    Pasadena, CA

    30.25 miles away

    I'm Attending

    Pasadena Triathlon & Angel 5k 2021

    Join us for the 15th annual Pasadena Triathlon & 5k at the Rose Bowl on June 5th, 2021! This event features a reverse sprint triathlon (5k run, 15k bike and 150m swim in the Rose Bowl Aquatic Pool), duathlon, a 5k Fun Run benefiting Angel City...

    Big Bear Lake, CA

    45.14 miles away

    I'm Attending

    Ryan Hall's Conquer the Wall - 5th Annual

    5rd Annual - Ryan Hall's "Conquer the Wall" - We're BACK! One mile starting at 7000 feet elevation running up 1200 feet!  Most unique race you will ever run.  The state's most grueling mile!  See how tough you really are.  $100 prize money to top ...

    San Pedro, CA

    42.46 miles away

    I'm Attending

    CONQUER THE BRIDGE 12

    Conquer The Bridge 12 features two amazing trips over the iconic Vincent Thomas Bridge. Once a year, on Labor Day Monday morning, join thousands of wonderful walkers and runners for the coolest 5.3 miles you will ever experience. Every year the ra...

    Huntington Beach, CA

    34.66 miles away

    I'm Attending

    2021 Surf City Marathon & Half Marathon

    This award-winning course is considered one of the most scenic in the country. Situated on the Pacific Ocean, runners will enjoy incredible views and a flat course. The Surf City Marathon and Half Marathon is an event that should be on every runne...

    • , 10K, 5K

    Irvine, CA

    26.29 miles away

    I'm Attending

    Rummage Run 5K/10K- A Race With A Purpose To Re-purpose

    THE RUMMAGE RUN 5k/10K  Saturday, Sept 12, 2020 6:45am to 8:15am START  9:30am Results and division standings available   Another TOGETHER-APART RUN.  This with the PURPOSE TO RE-PURPOSE, recycle, and reclaim our FITNESS! Course is on Jeffrey...

    • 5K,

    Laguna Beach, CA

    35.72 miles away

    I'm Attending

    2021 XTERRA Laguna Beach

    Welcome to the XTERRA Laguna Beach! Get ready for a multi-sport filled day in beautiful Laguna Beach! There's something for everyone! Get ready for an epic off-road adventure! The XTERRA Laguna Beach Triathlon includes an ocean swim, mountain bike...

    • 10K, 5K, 1/2M,

    Riverside, CA

    11.1 miles away

    I'm Attending

    Run for The Ridge

    Peppermint Ridge, local businesses and the community come together in spirit to get exercise and support the men and women who live at Peppermint Ridge.  Participant medals are awarded to every finisher in all races. Half Marathon, 10K and 5K part...

    • 5K,

    Upland, CA

    5.08 miles away

    I'm Attending

    Megan Savage Memorial Race for a Cure

    Welcome to our Virtual Megan Savage Memorial Run/Walk for a Cure on the weekend of Sept 25! Due to continued uncertainty, we are staying virtual to help us plan accordingly which means you can participate from anywhere! After you register, be sure...

    • , 5K, 10K

    Los Angeles, CA

    42.0 miles away

    I'm Attending

    2021 Cal Tri LA - 10.03.21

    RACE OPTIONS.  Olympic Distance (Triathlon, Triathlon Relay, RunBikeRun, SwimBike, SwimRun, 1640 Yard Swim & 10K Run) and Sprint Distance (Triathlon, Triathlon Relay, RunBikeRun, Swim Bike, SwimRun, 400 yard Swim & 5K Run).  There is somet...

    • , 5K, 10K, M

    Riverside, CA

    16.83 miles away

    I'm Attending

    MISSION INN RUN

    The 44th Annual Mission Inn Run returns to downtown Riverside on October 23-24, 2021! Featuring both live and virtual events, this hybrid race brings back both the thrill of the classic run as well as all new virtual challenges.  We will be implem...

    • 5K, , 10K, 1/2M

    Irvine, CA

    27.83 miles away

    I'm Attending

    FIT FALL Halloween Harvest 5k/10K

    The SOMETHING FOR EVERY BODY & EVERYBODY races! This year’s event will again support our armed forces and anything in a uniform. THIS YEAR'S EVENT will be a TOGETHER-APART RACE...meaning we will have staggered start times (Family groups, runni...

    • , 5K, 10K

    Newport Beach, CA

    33.9 miles away

    I'm Attending

    2021 Cal Tri Newport Dunes- 10.31.21

    2021 CAL TRI NEWPORT DUNES - 10.31.21 Beyond the radiant sun, sand, and surf, discover the best of Newport Beach, California, and the Southern California lifestyle.  Attractions include Disneyland Park, Disney California Adventure Park, Newport Be...

    • 5K,

    CLAREMONT, CA

    4.32 miles away

    I'm Attending

    Claremont Turkey Trot

    Welcome to the 14th annual Claremont Sunrise Rotary Turkey Trot. With a start/finish in the quaint Claremont Village, the scenic course winds its way through the tree-lined streets of the Claremont Colleges and into the adjacent historic neighborh...

    • , 5K, 10K

    Anaheim, CA

    22.52 miles away

    I'm Attending

    Anaheim Turkey Trot 5K/10K & Fun Run

    Anaheim Turkey Trot 5K/10K & 1 mile FUN Run.  RUN up an APPETITE!!! LOCATION: UNDER THE BIG A at ANGEL STADIUM Get the BEST THEMED turkey shirt , CUSTOM cast TURKEY FINISHER MEDAL, and a matching race bib. CHIP TIMED by ITZABOUTTIME.   GOO...

    • , 10K, 5K

    Los Angeles, CA

    46.44 miles away

    I'm Attending

    Brentwood Run

    The popular BRENTWOOD RUN is again happening on San Vicente Blvd. in Brentwood. A great flat and fast course, huge expo, fun kids area, and dog parade.

    • , 5K

    Culver City, CA

    42.56 miles away

    I'm Attending

    Screenland 5K 2022

    Follow the yellow brick road with Dorothy, Toto and the Munchkins pursued by the Wicked Witch of the West, experiencing legendary movie and television experiences. Finish on the red carpet with Scarlett O'Hara, Rhett Butler and paparazzi at our st...

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