| 2022 U20 Devon Schs |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 45.91 | | | | 4 | | | | Exeter | South-West Schools Track & Field Championships | 18 Jun 22 |
| 2019 U20 Devon Schs |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 44.97 | | | | 2 | | | | Exeter | ESAA South West Schools Inter-County Championships | 15 Jun 19 |
| 2018 U20 Devon Schs |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 46.96 | | | | 2 | | | | Exeter | ESAA South West Schools Inter-County Championships | 16 Jun 18 |
| 4x100 | 50.03 | | | | 1 | | | | Exeter | Devon County Schools Championships | 9 Jun 18 |
| 2017 U20 Devon Schs |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 48.39 | | | | 3 | | | | Exeter | ESAA South West Schools Inter-County Championships | 17 Jun 17 |
| 2015 U20 Devon Schs |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 47.91 | | | | 5 | | | | Exeter | ESAA South West Schools Inter-County Championships | 20 Jun 15 |
| 2013 U20 Devon Schs |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 47.79 | | | | 4 | | | | Exeter | ESAA South West Schools Inter-County Championships | 15 Jun 13 |
| 2012 U20 Devon Schs |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 45.57 | | | | 1 | | | | Exeter | England Athletics South West Championships & Inter Counties | 15 Jul 12 |
| 4x100 | 45.7 | | | | 3 | | | | Exeter | ESAA South West Schools Inter-County Championships | 23 Jun 12 |
| 4x100 | 47.87 | | | | 1 | | | | Exeter | Devon Schools' Championships | 16 Jun 12 |
| 2011 U20 Devon Schs |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 44.61 | | | | 1 | | | | Exeter | ESAA South West Schools Inter-County Championships | 18 Jun 11 |
| 2010 U20 Devon Schs |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 44.7 | | | | 2 | | | | Exeter | ESAA South West Schools Inter-County Championships | 19 Jun 10 |
| 2009 U20 Devon Schs |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 45.0 | | | | 1 | | | | Exeter | ESAA South West Schools Inter-County Championships | 20 Jun 09 |
| 2008 U20 Devon Schs |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 45.0 | | | | 2 | | | | Exeter | ESAA South West Schools Inter-County Championships | 21 Jun 08 |
| 2007 U20 Devon Schs |
| Event | Perf | | | | Pos | | | | Venue | Meeting | Date |
| 4x100 | 45.46 | | | | 2 | | | | Yeovil | ESAA South West Schools Inter-County Championships | 16 Jun 07 |