Youth and college Colombie enrolled at
Iona College in 2015 and joined the
Iona Gaels men's soccer team. Once the Iona season began, Colombie started in all 18 games he appeared in. Across four seasons with Iona, Colombie played in 72 games and tallied 15 goals and six assists as a forward. The Paris, France native set career-best marks in his senior season with the Maroon & Gold, scoring seven goals and assisting on three more. His performance in his senior season garnered him recognition on the All-MAAC First Team as well as second team honors on the United Soccer Coaches NCAA Division I All-East Region Team. Colombie finished his Iona career ranked tied for ninth all-time in shots attempted (119) and shots on goal (48). He ended his career with 15 goals, six assists and three game-winning goals. Colombie's efforts placed him among 50 student-athletes on the initial PDL College Prospect List. Additionally, Colombie was eligible for the MLS Super Draft 2019 in Chicago. In 2018, Colombie had most recently been on trial with
Hearts F.C. in Edinburgh, Scotland. He has also received invitation from the New York Red Bulls. In addition to securing a training spot with Edinburgh, Colombie has trained with the Major League Soccer programs, the New York Red Bulls and San Jose Earthquakes, during the winter.
Senior Over the summer before the fall 2018 season, Colombie played for the
Albion Hurricanes FC Royals in the
Premier Developmental League Mid-South Division. He led the team and tied for the conference-best with 10 goals. His five assists were a team-best and ranked second in the league. The Royals finished the season with a third place 7–7–0 record and a goal differential of zero. Iona College men's soccer alumnus Killian Colombie signed with the
Swope Park Rangers of the
United Soccer League in February 2019. The Rangers are affiliated with
Sporting Kansas City of
Major League Soccer. In September 2020, he joined
National League side
Aldershot Town, before moving to
Lewes ahead of the 2021-22 season. ==References==