Giedrius Andriunaitis

In 2009, Andriunaitis became a Lithuanian Junior champion[14] in the 100 meters Freestyle clocking 0:51:98 sec. This result allowed him to qualify for European Junior Championships in Prague, Czech Republic. However, Andriunaitis failed to advance into the semifinals at the Europeans, as he placed fifty-seventh overall out of seventy-seven swimmers in the prelims. Andriunaitis in the men's 400 m Medley relay, along with his teammates Matas Andriekus, Vaidotas Blažys, and Eimantas Vijaikis, posted a time of 3:50.97 and ended up in the 17th place beating six countries.[15]

At the 2009 Lithuanian Short Course Championships in the 100 meter Freestyle, Andriunaitis, posted a personal best time of 0:50:39 sec. and took third place behind Olympians Mindaugas Sadauskas and Paulius Viktoravičius. Also, Andriunaitis helped his team, made of Vytautas Janušaitis, Vaidotas Blažys, and Rimvydas Šalčius, to win 4x50 m Medley relay. Andriunaitis posted a sixth all-time relay split for the age group in Lithuania.[16]

In 2010, Andriunaitis made a debut at the LEN European Championships. He swam as a last leg for Lithuanians in the 4 × 100 m Freestyle relay and touched the wall in the 11th place. Individually, Andriunaitis placed 58th for the 50 m and 100 m Freestyle events.

In the 2011 Conference USA Championships Andriunaitis, along with David Larsson, Mindaugas Sadauskas and Blaz Korosec, helped lead the 400-yard Freestyle relay to a first-place finish with an NCAA time of 2:56.37.[17] Andriunaitis also took part in earning runner-up honors with season-best performances in both the 200 yard Medley relay and the 800 yard Freestyle relay. The team earned NCAA consideration in both events.[18]

Andriunaitis represented Lithuania and Southern Methodist University at the XXVI Universiade Games in Shenzhen, China. He posted a time of 0:24:33 sec. and took 39th place in the 50 m Freestyle event.[19]

In 2012 at the Conference USA Houston, Texas, Andriunaitis with Nicolai Hansen, Matt Roney, and Blaz Korosec touched the wall in 6:32.80 (NCAA B) and won the 800-yard Freestyle relay.[20]

At the 2012 Lithuanian National Championship, Andriunaitis represented Kauno Plaukimo Mokykla and took gold in the 4 × 100 m Medley relay.[21] In the individual events, Andriunaitis finished 4th in the 100 m Freestyle and was short by 1 sec. from the Olympian and 2016 NCAA Champion Simonas Bilis.[22] Andriunaitis placed 5th in the 50 m Freestyle just 0.16 of a second behind closest competitor, NCAA team member for Arizona State University - Tadas Duškinas.