ストックトン・ローダイ, CA周辺の5Kレース

The Peace Officer Memorial Run begins and ends in downtown Modesto, California, on the first Sunday of October annually. It features a 5K, half marathon, relay, and fun run, accommodating individuals competing in longer distances, team participants, and families attending the shorter events. The race is timed, includes event photos, and provides participants with shirts, bibs, and medals. The run is organized by the Peace Officer Memorial Group of Stanislaus County, a nonprofit established to honor officers who die in the line of duty and support their families. The start and finish area hosts vendor booths and a safety fair, with awards presented to overall and age-group finishers. The Kids' Fun Run maintains a playful tradition where children pursue a pretend "bad guy" as part of the event.

Riverbank Run for the Cheese is an October race series held at Galaxy Theatres on Patterson Road in Riverbank, California. The race options are straightforward: a 1 Mile neighborhood loop, a 5K, and a 10K, with virtual options for those unable to attend in person. The 5K and 10K begin after the 1 Mile, making the morning suitable for families, less experienced runners, and participants running multiple races. Adults can enter any of the three races, youth entries are available, and combined options pair the 1 Mile with either the 5K or the 10K. The 1 Mile is flat and circles through the adjacent neighborhood. The 5K follows gently rolling, tree-lined residential streets, and permits walkers and baby strollers. The 10K follows gently rolling residential streets as a two-loop course, with a 90-minute time limit; walkers are not permitted, but runners may use baby strollers. Packet pickup is at the Riverbank Galaxy Theatre, with in-person registration available there before race day and again on race morning. The 50th anniversary designation provides a clear local-history connection, while the course design positions it as a neighborhood road race rather than a large-scale event.

The Run for Education is a spring 5K, 10K, and Kids Fun Run held in El Segundo, California. Its purpose, reflected in the name, is to raise funds for the city’s K-12 public schools. The El Segundo PTA Council organizes the event, which is now in its fourth decade. The 5K and 10K courses are USATF-certified, winding through downtown El Segundo and adjacent neighborhoods. These routes offer a measured course for competitive runners and a straightforward local path for casual participants. The field comprises competitive racers, joggers, walkers, families, and children. Age-group medals are awarded to the top three finishers in the 5K and 10K, with medals given to all participants who finish a race.

Night Nation Run - Sacramento is an October fun run in Sacramento focused on music, lights, and a post-race party. The series describes itself as the world's first Running Music Festival, emphasizing a night event where participants wear glow gear and move through a party-style course, rather than a fast road race or a strictly competitive field. The route features live DJs, bubble zones, light shows, neon, and black lights, leading finishers to a main-stage after-party with headliner DJs. Registration provides a race bib, glow necklace, giveaways, after-party admission, and a T-shirt for Premium and VIP entries. The Night Nation Run community has over 2 million participants globally, and the series partners with Stand Up To Cancer as its official charity.

The Day of The Dead 5K & 10K is a Sacramento race held at North Natomas Regional Park. The in-person 5K begins at 9 a.m. A virtual 5K option is also available. Registration costs $40 per athlete and includes a race T-shirt. The race is open to youth, adult, and masters runners, accommodating a wide age range. It is sanctioned by USATF, and registration is managed through RunSignup.

The Haunted Sacramento 5K, 10K is a Halloween running event in Sacramento, California, offering 5K and 10K distances. It is structured less like a traditional road race and more like a Halloween exploration using a map, incorporating elements of adventure racing, mixed terrain, orienteering, and road running. Participants navigate East Sacramento's Fab 40s neighborhood, chosen for its streets decorated extensively for Halloween. The event is presented as trick-or-treating for adults and families. It accommodates teams of one to five, making it suitable for solo runners, small groups, and families seeking a race focused on costumes, neighborhood discovery, and Halloween decorations.

Boundary Bay is a late-fall race series held at Boundary Bay Park, Centennial Beach in Delta, British Columbia, offering 5K, 10K, half marathon, marathon, and 4-person marathon relay distances. The marathon is presented as a final opportunity for runners aiming for a Boston qualifying time, featuring a straightforward course: a completely flat gravel oceanside trail with no elevation gain. All distances follow an out-and-back route along British Columbia's southern coast, allowing participants to run beside Boundary Bay instead of through city streets. The course offers views across the Salish Sea towards the San Juan Islands, with migratory birds present and ocean weather as the primary variable. The race supports Ronald McDonald House BC & Yukon. Organizers acknowledge the late-season timing by advising runners to dress warmly, bring dry clothes, and appreciate the clock-change weekend that may provide an extra hour of sleep.

The Diwali Fun Run + Festival is an evening event at the Community Center on Old Canyon Road in Fremont, California. It offers timed 5K and 10K races, plus a Festival Only option. The event is designed for families, runners, and walkers, with registration open to a wide age range, from young children to older adults. The races are straightforward: select the 5K or 10K, complete it by running or walking, and receive a medal upon finishing. The festival includes catered food, arts and crafts, a selfie station, music for dancing, light-up bracelets, and complimentary henna tattoos for attendees. Those not racing can still enjoy the food and activities. The event also supports Purrific Rescue through fundraising.

The Davis Turkey Trot, held on the Saturday before Thanksgiving in Davis, California, begins at 6th and C Streets for all timed races. It offers participants a choice of distances on one morning: 1 mile, 2 mile, 5K, 10K, and half marathon, along with a children's run. The event typically draws between 1,000 and 5,000 participants, creating a busy, community-focused atmosphere. The courses are noted for being fast and flat, suitable for beginners, families, and those aiming for a consistent pace. The half marathon is not a Boston Qualifier. The event incorporates the holiday spirit through its shirts, post-race activities, and finisher medals for human and canine participants. Packet pickup is offered the day before and on race morning, with parking at Davis High School and bib pickup located near the finish line on race day.

The Tri-Valley Turkey Burn is a Thanksgiving morning 5K and 10K run, walk, or stroll held at Ken Mercer Sports Park in Pleasanton, California. It is designed for families, casual walkers, runners, strollers, and leashed dogs, with affordable registration fees for adults, youth, and children under 10. The event embraces the holiday spirit: participants can create their own "I am thankful for..." race bib, coffee is available before the start, and snacks are provided afterward. A pre-race warm-up is offered, along with sponsor and nonprofit booths. Optional Turkey Burn apparel, including shirts, hats, socks, and sunglasses, is available for purchase, and all participants receive a finisher medal.

The Concord California Turkey Trot 5K begins at Newhall Park at 8 AM on Thanksgiving morning. This 5K run/walk in Concord, California, offers a family registration option, a charity entry, and a separate Kids Run presented by Liberty Gymnastics. The event supports Loaves and Fishes of Contra Costa, directly linking the holiday race to a local food-service nonprofit. The 5K course incorporates grass fields, park pathways, and city streets, creating a mixed-surface park run rather than a flat road-only race. Strollers and pets are permitted, though participants with them should begin at the rear to allow timed runners a clear start. All 5K participants receive a tech shirt and a medal. Children aged two and under may ride in a stroller without paid registration. The Kids Run is situated near the 5K start and finish at Newhall Community Park, featuring check-in and a group warm-up prior to a brief morning run for children.