Athanasios Gkougkoulidis, a student of Psychico College High School Grade 2, participated in the following championships:

• The 5th Greek National Championship of Coastal Rowing Beach Sprint 2025, held in Lemnos, from October 3-4. He competed in the Boys' Double Sculls event with his team, finishing 3rd.
  
  
• The 92nd Hellenic Rowing Championship 2026, held in Schinias, Attica, from April 16–19, 2026, in the Lightweight Men's Quadruple Sculls (LM4x) event, where he took 1st place.