Aikaterini Zafeiri, a student of Athens College High School Grade 2, and a member of the Greek National Team of Static Target Shooting, participated in the following shooting events, competing in the Young Women's category:

• September 13, 2025 — At the National Shooting Range in Vyronas, she competed in the Air Rifle Solo event, organized by the Hellenic Shooting Federation, and secured 4th place.

• September 27, 2025 — At the same venue, she participated in the Firearm Rifle Solo 3x20 event, organized by the Hellenic Shooting Federation, achieving 3rd place.

• September 28, 2025 — She again earned 3rd place in the Firearm Rifle Solo 3x20 event of the Hellenic Shooting Federation at the National Shooting Range in Vyronas.

• October 18, 2025 — She participated in the AOPA Air Rifle event, held at the National Shooting Range in Vyronas, where she earned 4th place in the Air Rifle solo event.

• October 19, 2025 — She participated in the SAZEUS Firearm Rifle event, held at the National Shooting Range in Vyronas, where she earned 2nd place in the Air Gun Solo 3x20 event.

• October 26, 2025 - She participated in the SOAASOEE Women's Firearm Rifle event, held at the National Shooting Range in Vyronas, and earned 3rd place in the Firearm Rifle Solo 3x20 category.

• November 15-16, 2025 - She participated in the Firearm Rifle event, held at the National Shooting Range in Vyronas, where she earned 2nd and 3rd place in the Firearm Rifle Solo 3x20 category.
  
  
• November 30, 2025 - She participated in the AO Zeus Air Rifle–A Category Club event, held at the National Shooting Range in Vyronas, where she earned 2nd place in the Air Rifle Solo event.
  

• December 13, 2025 - She participated in the PAO Air Rifle - A Category event, held at the National Shooting Range in Vyronas, where she earned 3rd place in the Air Rifle Solo event.

• February 5-7, 2026 - She participated in the European Shooting Championship held in Bulgaria, where she earned:

-3rd place in the U18 Women 10m Air Rifle Trio

-4th place in the U18 Women Air Rifle Team

• March 22, 2026 - She participated in the Women’s Rifle event, held at the National Shooting Range in Vyronas, organized by the Hellenic Shooting Federation. She achieved 2nd place in the Rifle 3×20 (Three Positions) category.

• March 28, 2026 - She participated in the Women’s Rifle event, held at the National Shooting Range in Vyronas, organized by the Hellenic Shooting Federation. She placed 2nd in the Rifle 3×20 (Three Positions) category, a result that qualifies her for the Greek National Team.

• April 3-5, 2026 - She participated in the U21 Men's and Women's Panhellenic Fixed-Target Shooting Championships held at the Vyronas National Shooting Range on April 3–4, 2026, and in Malakasa on April 5, 2026. She won 2nd place in the U21 individual 0.22-caliber prone rifle event, 2nd place in the U21 individual 0.22-caliber three-position rifle event, 2nd place in the U18 Women’s individual air rifle event, 4th place in the U21 individual sport pistol event, and 5th place in the U21 individual air rifle event. She also took 3rd place in the U21 Women’s team air rifle event together with her teammate Theodora Petropoulea.

• May 9, 2026 - She participated in the SOAASOEE Category A shooting competitions, Women’s Division, held at the Vyronas National Shooting Range. She achieved first place in the individual prone rifle event.
  

• May 10, 2026 - She participated in the SOAASOE Category A Firearms Competition, Women’s Division, held at the National Shooting Range in Vyronas on May 10, 2026, and she won first place in the individual 3x20 rifle event.

• June 13, 2026 - She competed in Category A firearm competitions (SOAASOEE), Women’s Category, held at the National Shooting Range of Vyronas, and won 1st place individually in the prone rifle event.

• June 14, 2026 - She competed in Category A firearm competitions (SOAASOEE), Women’s Category, held at the National Shooting Range of Vyronas, and won 1st place individually in the 3×20 rifle event. 
  
  
• June 16-26, 2026 - She competed in the U21 ISSF Junior World Shooting Championship, held in Germany. As a member of the Greek national team, she set a new Greek national record in 50m Rifle Prone with a score of 578-603, and placed 90th in the Air Rifle, competing among 150 athletes.
  

• July 5, 2026 - She competed in the 3rd National Team Qualification Competition, Women's category. The event was organized by the Hellenic Shooting Federation and held at the National Shooting Range of Vyronas. She placed 1st in the Individual 3×20 Rifle event.

• August 21-26, 2026 - She competed in the European Shooting Championship U18 25m/50m, which was held in Tallinn, Estonia. She achieved 8th place in her series and 20th place in the overall standings in the individual 50m Rifle 3 Positions Junior.