Filippos Silvestros, a Junior High School Grade 3 student at Psychico College, participated in the following waterski events:

• The international Diakakeia - Verikiou Nicol Cup 2026 held at the Greek National Waterski Training Center, on Stratos Lake, Agrinio, from May 1 to 3, 2026. Competing in the Men's Open, he placed 1st in the Overall Results and in Tricks, 2nd in Jump, and 5th in Slalom. 
  

• The Hellenic Open Championship 2026, held on Stratos Lake from July 9 to 12, 2026. Competing in the Men's Open, he placed 1st in Jump and the Overall Results, and 2nd in Tricks. In the U17 category, he placed 1st in Jump, 2nd in Slalom, and 2nd in Tricks.