He was a member of the United States men's national artistic gymnastics team.

[3] Maestas was a full-scholarship member of the Illinois Fighting Illini men's gymnastics team for collegiate competition.

Domestically, Maestas placed highly in the rings at multiple Winter Cup and USA Gymnastics National Championships events.

Internationally, Maestas represented the United States at the 2011 Pan American Games and won a bronze medal in the team all-around.

He was also a member of the 2014 Pan American Gymnastics Championships team that won a gold medal.