Siergiej was among the most decorated players in Cornell field hockey history, ending her Big Red career by becoming the program's first All-American in 13 seasons when she was named to the NFHCA second team in 2015. She was a two-time first-team All-Mideast Region All-American, and was named a unanimous first-team All-Ivy honoree in each of her final two seasons. As a senior, she became the first-ever Cornell field hockey player to earn an Ivy League Player of the Year honor, taking home the conference's Defensive Player of the Year award. Â Siergiej was selected to participate in the NFHCA Senior All-Star game and was named to the 2015 ECAC Field Hockey All-Star first team. Over the course of her four seasons, she anchored some of the best defenses in program history and ended her career ranked second in school history for goals (38), just two shy of Linda Miller's school record, and fifth overall in points (85). She was named the Charles H. Moore Outstanding Senior Varsity Athlete in her final season.
