Several of the club’s juvenile athletes have been selected for the Leinster Performance squad 2023/24. These performance squads were selected by AI on the results of the Dublin Championships, top 4 being selected and to assist the young athletes and their coaches with their further development. The Clonliffe athletes selected are:
| Club Championships Selections | ||
| B U17 | 2000m S/C | Jack Quinn |
| B U17 | 1500m | Matei Ursachi |
| B U17 | 3000m | Matei Ursachi |
| B U17 | 2000m S/C | Tom Breslin |
| B U18 | 400m | Christopher Lynch |
| B U18 | 3000m | Leon Brady |
| B U18 | 1500m | Lorcan Benjacar |
| B U18 | 3000m S/C | Lorcan Benjacar |
| B U18 | 3000m | Oran McGowan |
| B U18 | 1500m | Sean Cronin |
| B U19 | 800m | JD Kelly |
| G U17 | 100m | Emily Jachna |
| G U17 | 200m | Emily Jachna |
| G U17 | 400m | Rebecca Walsh |
| G U18 | 3000m | Hazel Kenny |
| G U18 | Long Jump | Kate Faherty |
| Schools Selections | ||
| Inter Boys | 2000m S/C | Cillian Keegan |
| Inter Boys | 8000m | Rory Quill |
| Inter Boys | 1500m | Sean Cronin |
| Inter Girls | 100m | Ava Usanova |