With the help of past draw aces Taylor Cummings and Kali Hartshorn, Ahearn has cemented her role in the Terps' lineup.
Izzy Scane scored nine times for the Wildcats as the Terps could not pull off the upset.
The Terps rode their best half of lacrosse all season to reach the second round of the Big Ten tournament.
Lizzie Colson, Hannah Leubecker and Grace Griffin each made the all-conference first team.
The Terps begin play as the No. 2 seed on Thursday.
The Terps trailed by as much as seven and suffered their first-ever loss to the Scarlet Knights.
The Terps have the worst shooting percentage in the Big Ten.
The Terps racked up 16 giveaways in Sunday's loss to Penn State.
The Terps struggled with draw controls in back-to-back losses to No. 2 Northwestern.
The Terps couldn't recover from an 8-4 deficit at the half.