Other non-traditional sports in the country have had great importance such as the triathlon that has captured the attention of many athletes nationwide and the country has hosted international competitions. Flag football has also been growing in popularity in both men and women and with international participation in world of this discipline being among the best teams in the world, the sport was introduced by Americans residing in the Canal Zone for veterans and retirees who even had a festival called the Turkey Ball. Other popular sports are American football, rugby, field hockey, softball, and other amateur sports, including skateboarding, BMX, and surfing, because the many beaches of Panama such as Santa Catalina and Venao that have hosted events the likes of ISA World Surfing Games.