About
CrossFit One World Kids & Youth Programs offers activities that include CrossFit, Boot Camp, HYPEHITTERS, Kids Fit, Youth Olympic Weightlifting, Weightlifting (Olympic and Power), Yoga, CrossFit Gymnastics, Self Defense, Krav Maga, striking, Escrima, and Private Coaching. The programs take place in a family-oriented strength and fitness, weightlifting, and self-defense facility that brings together fitness, mind-body, and self-defense programs in one place.
• Ages: 7–15 years old
• Schedule: Class options are available on weekdays and weekends during morning, midday, and evening hours.
One World Self Defense and Fitness was established in 2005. The owners are Brad and Carmella, and Brad is also listed as a One World coach. The staff includes coaches and instructors with credentials such as CrossFit L1 and L2, USAW L1 Coach, USPA Certified Power Lifting, Youth Olympic Weightlifting Coach, Personal Trainer, Yoga Instructor, Kids Fit, HYPEHITTERS, Krav Maga, and Escrima Coach. The mission statement explains that the name One World reflects a belief that diversity is a strength, that the gym embraces differences and is inclusive to all, and that everyone is equal when they step into One World. The Kids Fit programs are stated to be for children ages 7–15, and no sports experience is required to participate in Kids Fit. The Youth Olympic Weightlifting Program is stated to be appropriate for ages 9–15, and the Youth Olympic Weightlifting coach evaluates each child’s learning curve, range of motion, core strength, and mental focus. One World is home to two youth Olympic Weightlifting champions, and its Olympic Weightlifting Barbell Club has competed in many USAW national events. CrossFit One World notes that it serves families from Union City, Hayward, Fremont, Newark, and more in the Bay Area and reports a 5.0 rating from over 30 reviews.
Last updated April 17, 2026.
• Ages: 7–15 years old
• Schedule: Class options are available on weekdays and weekends during morning, midday, and evening hours.
One World Self Defense and Fitness was established in 2005. The owners are Brad and Carmella, and Brad is also listed as a One World coach. The staff includes coaches and instructors with credentials such as CrossFit L1 and L2, USAW L1 Coach, USPA Certified Power Lifting, Youth Olympic Weightlifting Coach, Personal Trainer, Yoga Instructor, Kids Fit, HYPEHITTERS, Krav Maga, and Escrima Coach. The mission statement explains that the name One World reflects a belief that diversity is a strength, that the gym embraces differences and is inclusive to all, and that everyone is equal when they step into One World. The Kids Fit programs are stated to be for children ages 7–15, and no sports experience is required to participate in Kids Fit. The Youth Olympic Weightlifting Program is stated to be appropriate for ages 9–15, and the Youth Olympic Weightlifting coach evaluates each child’s learning curve, range of motion, core strength, and mental focus. One World is home to two youth Olympic Weightlifting champions, and its Olympic Weightlifting Barbell Club has competed in many USAW national events. CrossFit One World notes that it serves families from Union City, Hayward, Fremont, Newark, and more in the Bay Area and reports a 5.0 rating from over 30 reviews.
Last updated April 17, 2026.
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