O’Brien, like many others, did most of her early career training at Palisades Tahoe. Other Sierra-based athletes include Tahoe City resident and three-time Olympian Bryce Bennett, who will be competing in speed events as a new dad, and two-time Olympians and close friends Keely Cashman, from Strawberry, and AJ Hurt, from Carnelian Bay.
Follow NBC News live updates for the latest on the Milan Cortina Winter Olympics, where hockey and snowboarding events will open ahead of the opening ceremony.