Over his career, Marshall set Fordham track records in the 400 meter hurdles (51.35), 55 meter hurdles (7.3), 110 high hurdles (14.2), and the pentathlon (3,420). He was known for his ability to run up to four races a meet competitively and he also helped to coach the team for a year while in graduate school at Fordham. A two-year captain, Marshall scored at the prestigious IC4A meet four times in his career while scoring six times at the Metropolitan Championships and eight times at the Collegiate Track Championships. As a result of his success, Marshall was named All-East four times.