The Istanbul Province Mixed Selection Competitions for ages 11-12, consisting of two legs were held on January 13th-15th and February 24th- 26th. Competitors of age 11 swam 11 races, while competitors of age 12 swam 13 races. The scores from eight best races for age 11 and 10 for age 12 were added up to select 6 girls and 6 boys in age group as the best of Istanbul Two reserve athletes for each age group were also selected.

The rankings of club players at these selections are listed below:

Age 12 Girls: Çağrı Erdem 6th

Age 11 Girls: Derin Zaimoğlu 1st / Eda Koç 3rd

Age 11 Boys: Arda Şehanoğulları 6th

Marko Zerunyan was selected as first reserve.