Santa to the Sea Half Marathon, Quarter Marathon and 5K in Oxnard on Sunday, December 14, 2025

The Santa to the Sea Half Marathon, Quarter Marathon and 5K is planned for Sunday, December 14, 2025

The half marathon begins at the giant Santa located at 2801 Ventura Blvd., Oxnard and ends at Marine Emporium Landing in the Channel Islands Harbor. The half marathon and 5K start at 7:30am and the quarter marathon starts at 7:50am. There’s also a Kids 1K at 8:30am.

This point to point course starts at the historic Santa Claus, off the 101 freeway, runs through Oxnard’s famous strawberry fields, then through downtown Oxnard and beautiful Plaza Park. Next will be historic Candy Cane Lane, where the homes are decorated for the holidays. Finally, you’re off to the Pacific Ocean, the beach, and finishing at the Marine Emporium Landing in the Channel Islands Harbor.

The 5K and kids 1K starts and finishes at the Marine Emporium Landing.

Santa to the Sea supports the Nyeland Acres community through food distributions, a toy giveaway, and scholarships to Oxnard College.

For more information or to register visit www.santatothesea.com.

2025 Reyes Adobe Days "RAD" 5K on Sunday, October 5, 2025

The Reyes Adobe Days RAD Run 5K is planned for Sunday, October 5, 2025 at 8am. The race will take place on a (previously certified) flat and fast course, starting and ending at the Whizin Market Square in Agoura Hills. Custom medals awarded for 1st, 2nd and 3rd place age group winners. Age groups: 13 & Under, 14-19, 20-29 30-39,40-49,50-59,60-69,70 & over.

Not only will participants have the opportunity to test their speed and endurance, but they will also be supporting a great cause. This year, percentage of the proceeds from the race will benefit the Malibu/Lost Hills Search and Rescue Team.

Register at runsignup.com/Race/CA/AgouraHills/ReyesAdobeDaysRAD5k.

12th Annual Moorpark Mammoth Run 5K/10K on Sunday, October 5, 2025

The Rotary Club of Moorpark presents the Moorpark Mammoth Run 5K/10K and Family 1 Mile Fun Run/Walk on Sunday, October 5, 2025.

Runners can enjoy the beauty of Moorpark's unique landscape and compete in a fast, mostly flat 5k/10k race. There's also a 1 mile fun run/walk planned. Everyone gets a T-shirt (1 per family in the fun/run walk), goody bag, free raffle ticket and participation ribbon. Winners get medals. Registration and check-in begin at 7:00am.

All proceeds will benefit local charities through the Moorpark Rotary Foundation and this year a portion of the proceeds will go toward the eradication of polio. All donations to polio will be matched by the Bill & Melinda Gates Foundation.

The event will take place at Arroyo Vista Community Park, 4550 Tierra Rejada Road. Races start at 8:30am. Learn more at www.moorparkmammothrun.com.

Free Clinic of Simi Valley Fredrick Michael Gibson 5K/10K & Half Marathon Walk/Run on Sunday, October 12, 2025

The Free Clinic of Simi Valley, in partnership with Simi Valley Hospital, presents the Fredrick Michael Gibson 5K/10K & Half Marathon Walk/Run for Depression Awareness and Kids’ 1K Fun Run at Rancho Simi Community Park, 1765 Royal Avenue, Simi Valley (near the tennis courts at Erringer and Royal). Event will take place on Sunday, October 12, 2025 at 7 am (Half Marathon), 8:15 am (5K/10K) and 9:30 am (Kids’ Run).

Funds raised from this event will benefit the Free Clinic of Simi Valley's Counseling Programs. Every day, the Free Clinic is saving lives, improving the health of the community, and reducing health care costs for residents of Simi Valley. The Clinic does this through preventing visits to hospital emergency departments, which are costly and provide no continuity of care.

Learn more and register at www.freeclinicsv.com/fmgrun.html.

2025 Boogie Nights Summer Run Series in Ventura May 21 to July 23

The Boogie Nights Summer Run Series is back for a 10 week run in 2025 on Wednesday nights from May 21st through July 23rd, starting at 6:20 pm. 5K start/finish is at the Ventura Promenade in front of Aloha Steakhouse and The Crowne Plaza. Free kids run starts at 6 pm.

Chip timing and a t-shirt for those that register for the series and flat course along the Ventura Promenade. Cost is less than $20 per race or $139 for the entire 10 week series, including t-shirt. Drinks and a light meal from Aloha Steakhouse can be added to your registration.

Learn more and sign up at runsignup.com/Race/Events/CA/Ventura/BoogieNightsSummerRunSeriesVentura or boogienightsventura.com.

The Calabasas Classic 5K Run/Walk for the Heroes of Childhood Cancer on Sunday, September 28, 2025

The Kevin Cordasco Foundation and the City of Calabasas present The 2nd Annual Calabasas Classic 5K Run/Walk for the Heroes of Childhood Cancer on Sunday, September 28, 2025 at the Calabasas Civic Center. Event features 5K at 9:30am and Kids Dash at 9am. Cost is $54 per person. Kids Dash is $32.80.

Learn more and register at runsignup.com/Race/CA/Calabasas/KCFCalabasas5KRun.

2025 Cool Breeze Century Ride in Ventura on Saturday, August 16th

COOL BREEZE CENTURY 2025

30, 60, 100 and 125 Miles

Saturday, August 16, 2025

Ventura

Sponsored by the Channel Islands Bike Club and the Kiwanis Club of Ventura, the Cool Breeze route follows the coast from Ventura to Santa Barbara. The weather is generally in the low 70's -- you can't ask for better summer cycling weather! There are lots of great rest stops along the way. Pre-race breakfast and post race lunch included.

Visit coolbreezecentury.com for more information and to register.

2025 Bulldog 50K and 25K Runs in Malibu Creek State Park on Saturday, August 17th

The challenging and popular Bulldog runs consist of two races - the 25K Bulldog Trail Run and the 50K Bulldog Ultra Run, which are conducted simultaneously (though the 50K starts an hour earlier - at 7 am.). This year’s event is on August 16, 2025.

Run in the beautiful scenic Santa Monica Mountains Recreational Area beginning at base camp in Malibu Creek State Park.

The course offers inspirational vistas of untamed terrain and sweeping ocean views. The challenging trail weaves through the mountains on single track and fire roads.

Visit ultrasignup.com/register.aspx?did=122209 for more information and to register for these challenging events.

Beachfront Run Half Marathon, 10K, 5K & Kids Run in Ventura on Saturday, June 7, 2025

The Ventura Beachfront Run (1/2 Marathon, 10K, 5K & Kids Fun Run) will take place on Saturday, June 7, 2025 with a scenic course along the beautiful coastline.  The race will begin on the north side of the Ventura Pier, 668 Harbor Boulevard. 

The half marathon and 10K runs along the oceanfront promenade and extends along PCH, creating a flat and scenic course.  The 5K runs out and back along the oceanfront promenade.  Half marathon starts at 7 am. More information and registration at runsignup.com/Race/Info/CA/Ventura/CIBeachfrontRun.

2025 Walk to End Alzheimer's - Ventura on Saturday, October 4th

Walk to End Alzheimer's - Ventura is slated for Saturday, October 4, 2025 at the Ventura Harbor Village Main Lawn, 1591 Spinnaker Dr Ventura.

Register Your Team at alz.org/VenturaWalk. Registration starts at 9:00 a.m., ceremony at 10:00 a.m., walk starts at 10:30 a.m.

Walk to End Alzheimer's® is the world's largest fundraiser for Alzheimer's care, support and research. This inspiring event calls on participants of all ages and abilities to join the fight against the disease.

While there is no fee to register for Walk, all participants are encouraged to raise critical funds that allow the Alzheimer’s Association to provide 24/7 care and support and advance research toward methods of prevention, treatment and, ultimately, a cure.

Register Online, Start Fundraising and Spread the Walk, Join us on Walk Day! - alz.org/VenturaWalk

For Questions, Volunteer and Sponsorship Opportunities, please email VenturaWalk@alz.org