Athens College Junior High School Grade 1 student, Antonios Giantzoglou, participated in the following equestrian championships:

The Greek Cup, held at the Markopoulo Olympic Equestrian Center on April 13, 2025, where he earned 3rd place in Show Jumping, in the Children's category.

International races held in Thessaloniki, at the Equestrian Center of Macedonia, on May 30, 2025, where he achieved 1st place in the 1.00m category.