Athens College Grade 9 student Katerina Zafiri competed in the following championships:

• The "Thermopylae 2023" Class A' Airgun Games, held in Sparta, on September 15, 2023 and won 3rd place in the individual Air Rifle and 4th place in the individual Air Pistol. 
• The Autumn Youth Airgun & Shotgun Games, held at the National Shooting Range in Vyronas on November 4, 2023 and won 2nd place in the Air Riffle.
• The A' Class Airgun Youth Games, held in Tripoli on November 12, 2023 and won 3rd place in the individual Air Pistol. 
• The A' Class Airgun Youth Games, held at the National Shooting Range in Vyronas on December 2, 2023 and won 1st place in the Air Riffle.
• The PAO Airgun A' Class Youth Games, held at the National Shooting Range in Vyronas on December 16, 2023 and won 2nd place in the individual Air Riffle. 
• The Airgun A' Class Athlos Women's Games, held at the National Shooting Range in Vyronas, on January 15, 2024 and won 3rd place in the individual Air Rifle and 4th place in the individual Air Pistol.
• The 11th "Georgia D. Geroulakou" Cup - Airgun A' Class Games, held in Sparta on February 17, 2024, and won 1st place in the Air Riffle, in the Youth category.
• The 2024 European Airgun Championship, held in Gyor of Hungary on February 24-29, 2024, as a member of the Greek National Team, and ranked 68th in the Air Riffle, in the Youth category.  
• The  Airgun A' Class Athlos Youth Games, held at the National Shooting Range in Vyronas, on March 10, 2024, and won 1st place in the individual Air Riffle and 4th place in the individual Air Pistol.
• The A' Class Airgun Games of the Greek Shooting Federation (ΣΟΕΛ), held at the Elefsina Shooting Range on April 7, 2024, and won 2nd place in the Youth category(Girls).
• The A' Class Airgun Games Youth category (Girls), held at the National Shooting Range in Vyronas on April 14, 2024, and won 1st place in the individual Air Riffle and 5th place in the individual Air Pistol.