2016-17: Honorable Mention All-American in the 200 medley relay...Racked up all-BMC honors in the 200 and 400 medley relays and helped the Eagles set new program records in both races...200 free relay, 50 free and 100 fly...Totaled six wins during the regular season, including three in the 100 fly, two in the 200 fly and a victory in the 50 free against Emmanuel...Contributed to seven relay successful relay teams. 

2015-16: Two-time All-BMC swimmer in the 200 Free Relay and the 100 Fly... Won six races as a freshman with four wins coming against Bellarmine in Maddox Pool (200 Free, 100 Fly, 400 Free Relay and 200 Medley Relay) and two more against King (200 Free and 400 Free Relay).

High School: Participated at 2011 Children's World Games in 2011 in Lanarkshire, England... Member of Lithuanian National Junior Team for the Baltic States Championships in 2012... Won the 200m Fly at the 2015 Baltic State Championships in 2015 with a time of 2:09.19... 

Personal: Son of Gintautas Mackevcius... Born on May 5th, 1996... Undecided on a major.