Mackinnon was a standout cross country and distance track talent. Perry holds the Cornell record in two outdoor track events, the 5000- and 10,000-meter run. Over the course of his Big Red career, he has paced his way to seven top-10 Ivy-League Heptagonal Championship finishes and three NCAA Championship final bids. Perry bookended his Cornell stint with a 20th-place All-American Honorable Mention finish in the 10k at the NCAA Championships.