|High School:||Sacred Heart|
|Previous School:||Sacred Heart|
2018-19: Witkoski holds the freshman record in the 100 Free with a time of 50.75 seconds, earned on the final day of the New England Intercollegiate Swimming and Diving Association (NEISDA) Championships on February 24. He also shares four relay records. Witkoski aided USJ's GNAC Championship meet effort with fourth-place finishes in the 50 Butterfly and 50 Freestyle.