Mariam took up rhythmic gymnastics after a friend of her mother's, who was a coach in the sport, encouraged her mom to sign her up for classes.

[8] In October she was part of the Canadian delegation at the Commonwealth Games in Delhi, being 4th with ribbon, 5th with ball and in the All-Around, 6th with hoop, 7th with rope and won silver in teams along Demetra Mantcheva and Alexandra Martincek.

[9] In December ahe won team bronze and silver with hoop, being promoted of one place after Ruth Castillo Galindo was disqualified, at the Pan American Championships.

[14] In September Chamilova took part in the World Championships in Montpellier, finishing 67th in the All-Around, 71st with hoop, 74th with ball, 64th with clubs, 61st with ribbon and 20th in teams.

[15] A month later she was selected to represent Canada at the Pan American Games in Guadalajara, she was 4th in the All-Around, with hoop and with ball, 5th with ribbon and won bronze in the clubs' final.