Kellner was a five-time All-Ivy League honoree (two in cross country, three in track and field) for the Big Red and earned honorable mention All-America accolades in the 10K as a senior. Kellner captured second-team All-Ivy accolades in cross country after placing 11th as a senior before taking 25th at the NCAA Northeast Regional Championship. She was the runner-up at indoor Heps in the 5K and crossed the finish line first in the 10K outdoors. She placed ninth in that event at the NCAA East Preliminary Round, earning the spot at nationals that gave her an All-America nod with a 24th-place effort. The two-year captain was a CoSIDA Academic All-District pick as a senior.
