The Union football team is one of the school's most prominent athletic teams. They had a record of 6-3 in their first year without seniors. In 2008, the undefeated Titans lost to
Bellevue High School in the 3A state championship game. The Titans won 3A GSHL league titles in 2008, and 2009. The Titans earned 2nd place 4A GSHL titles in 2010, 2011, 2012 and 2013 and finished 1st in 2017 and 2018. In 2018 the undefeated Titans beat
Lake Stevens High School 52-20 in the 4A state championship, receiving their first state title in football. Union's wrestling team are five-time Clark County champions, five-time GSHL league champions, six-time district champions, and three-time regional champions. In 2011, Titan wrestling took the team title at the prestigious Pacific Coast Championships, and in 2012 and 2014 they won state trophies, placing 4th and 3rd respectively. Union's individual state champions include Clint Coulter (2010), John "Junior" Godinho (2014), Alex Berfanger (2014) and two-time state champs Dan Snediker and Ethan Rowton. ==Campus==