The Mike Devonshire Trophy is a relief model of Mirror dinghy 1074 'Jayem' in a frame. This Mirror was owned by a Mike Devonshire of Tunbridge Wells who had the model made. Mike was a trustee of Bough Beech SC in Kent. It was kindly donated in 2020 by Stewart Robertson, a few years after Mike had passed away.
It is awarded to the 2nd place Helm & Crew U15 other than 2nd overall, or the U19 2nd overall, at the National Championships.
Here are some photographs of past winners
| Year | Held by | Note |
| 2024 | Felix Gladman & Arthur Pattison | |
| 2023 | Poppy Armstrong | Awarded for first U15 helm with crew over 15 |
| 2022 | Torrunn Brown & Murray Oakes | |
| 2021 | Poppy Luxton & Lottie Tregaskes |
