| Andrew Smith | 46.39 | 1996-02-10 | aged 11 | Herts Major League |
| Mark Aldwinckle | 43.90 | 1996-06-16 | aged 10 | Cheshunt Trophy |
| Mark Aldwinckle | 43.31 | 1996-09-07 | aged 10 | Bishops Stortford Open |
| Wayne McHugh | 40.16 | 1996-09-27 | aged 13 | unknown fixture |
| Greg Lasenby | 39.93 | 1998-05-24 | aged 12 | unknown fixture |
| Mark Aldwinckle | 39.86 | 1998-09-26 | aged 12 | Harlow open |
| Greg Lasenby | 39.46 | 1998-10-04 | aged 13 | Crawley aggregate meet |
| Greg Lasenby | 37.11 | 1999-03-20 | aged 13 | Harlow Junior Open |
| Greg Lasenby | 36.23 | 2000-04-08 | aged 14 | Herts Age Groups session 7 |
| Greg Lasenby | 35.76 | 2000-05-28 | aged 14 | Bognor Regis Open |
| Greg Lasenby | 35.50 | 2000-06-03 | aged 14 | Colchester Open |
| Ian Shannon | 34.25 | 2001-11-25 | aged 14 | Hitchin Open |