| Posidonia Cup Yacht Race |
23 October 2020, Faliron Bay |
| Posidonia Basketball Tournament |
24 October 2020, Eurohoops Dome, Kifissia |
| Posidonia Squash Tournament |
24 October 2020, Wave Squash Club, Piraeus |
| Posidonia Running Event |
25 October 2020, Piraeus |
| Posidonia Golf Tournament |
25 October 2020, Athens Golf Course, Glyfada |
| Posidonia Shipsoccer Tournament |
25 October 2020, Star Sport Club, Voula |
| Posidonia 2020 Opening Ceremony |
26 October 2020 (by invitation only) |
| Posidonia 2020 Exhibition |
26-30 October 2020, Athens Metropolitan Expo |
