Sierra Tjelmeland, left, and her mother, Diane Galusha, are shown Tuesday outside the 4,000-square-foot Elm City Crossfit they own on Industrial Drive in Oakland. The business is scheduled to open April 1.

Sierra Tjelmeland climbs a rope Tuesday as mother Diane Galusha watches at the new 4,000-square-foot Elm City Crossfit they own at 16 Industrial Drive in Oakland. The gym is scheduled to open April 1.

Sierra Tjelmeland walks into the workout area Tuesday at the new 4,000-square-foot Elm City Crossfit she owns with her mother, Diane Galusha, at 16 Industrial Drive in Oakland. The business is scheduled to open April 1.

Sierra Tjelmeland, right, opens a bay door Tuesday at Elm City Crossfit at 16 Industrial Drive in Oakland. Tjelmeland and her mother, Diane Galusha, are co-owners of the business, which is scheduled to open April 1.

Sierra Tjelmeland, left, and her mother, Diane Galusha, hold gymnastic rings that are part of the equipment at Elm City Crossfit on Industrial Drive in Oakland on Tuesday. The pair own the business, which is scheduled to open April 1.