Eleni Alchanati, a student of Athens College High School Grade 2, participated in the following championships as a member of the Greek National Sailing Team:

• The 2025 Greek National Championship ILCA 4, held at the Vouliagmeni Nautical Club, from October 24 to 28, 2025. She achieved 2nd place in the overall ranking.

• The 34th Athens International Sailing Week 2025 in the ILCA 4 category, held at the Voula Nautical Club from November 21 to 23, 2025. She achieved first place in the overall ranking.

• The 2025 EurILCA Team Racing European Championship, held at the Hellenic Yacht Club from December 3-5, 2025. She achieved second place in the overall ranking.

• The ILCA 4 European Championship in Murcia, Spain, from April 11–18, 2026, where she finished 2nd in the overall ranking.