Mankato United was one of 43 clubs from USA that had teams playing during Gothia Cup 2015. They participated with one team in Girls 16. In addition to Mankato United, 69 other teams from 11 different countries played in Girls 16. They were divided into 17 different groups, whereof Mankato United could be found in Group 13 together with IK Arvika Fotboll 1, Lundsbrunns IF and Vikingstad SK. Mankato United continued to Play off A after reaching 1:st place in Group 13. In the playoff they made it to 1/16 Final, but lost it against Älvsjö AIK FF with 0-2. In the Final, LB07 won over BK Höllviken and became the winner of Play off A in Girls 16. Mankato United comes from Mankato which lies approximately 6800 km from Göteborg, where Gothia Cup takes place.