About
Davis Diamonds Gymnastics Training Center offers gymnastics, tumbling, and fitness classes, along with drop-in play-times, recreational classes, competitive teams, open gym, camp, and parties. The program offers classes for children of walking age through seniors in high school.
• Ages: walking age–18 years old
Davis Diamonds Gymnastics Training Center is a family owned and operated business founded by Head Coaches Hilde Aune and James Major, together with their daughter Astrid. Davis Diamonds opened in Davis, CA in 2002, and a brand new facility opened in January 2015. Hilde has been coaching gymnastics for over 40 years, including 7 years coaching the UC Davis Women’s Gymnastics Team. James has been a professional coach for over 30 years and holds a master’s degree in exercise physiology. Their careers have taken them from Norway to France, then Salt Lake City to Malaysia, and finally to Davis, CA, where James spent his childhood. The program offers a parent portal for class schedule and registration, and front desk help is offered via email only at this time.
Last updated June 9, 2026.
• Ages: walking age–18 years old
Davis Diamonds Gymnastics Training Center is a family owned and operated business founded by Head Coaches Hilde Aune and James Major, together with their daughter Astrid. Davis Diamonds opened in Davis, CA in 2002, and a brand new facility opened in January 2015. Hilde has been coaching gymnastics for over 40 years, including 7 years coaching the UC Davis Women’s Gymnastics Team. James has been a professional coach for over 30 years and holds a master’s degree in exercise physiology. Their careers have taken them from Norway to France, then Salt Lake City to Malaysia, and finally to Davis, CA, where James spent his childhood. The program offers a parent portal for class schedule and registration, and front desk help is offered via email only at this time.
Last updated June 9, 2026.
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