2013: Theaker scored the team's game-winning goal in the Region XII championship game that propeled the program to its first national tournament appearance. She also scored the game-winning goal in the regular season finale against Cincinnati State. Totaling three goals and three assists during the season, Theaker started all 21 of the team's games. 

For her performance in the Region XII tournament, Theaker was named to the all-tournament team. In the national tournament, it was Theaker's goal in the PK phase of a 1-1 tie that gave the Express a PK victory.

Following the season, Theaker was named the team's MVP.

2012: Theaker started 15 games for the Express as a freshman and saw a lot of time at centerback for a team that had 10 shutouts. She had one assist on the year.

Prior to Owens: Theaker was named the team's MVP as she led Maumee to a sectional championship her senior year as the team won 16 games, which tied the school record for most in a season. During her time at Maumee, she earned First Team All-Northern Lakes League, Second Team All-Northern Lakes League, First Team All-District and Second Team All-District honors. Theaker was a three year varsity member in soccer, a two year varsity member in track and basketball, and a one year varsity member in cross country. She played for coach Steve Kikolski in soccer.

Personal: Elizabeth is the daughter of David and Barbara Theaker. She has five siblings - Stephanie, Brandon, Joshua, Caitlyn and Anthony.