| |
| 400 SM 1 |
| Pos | Perf | | Name | | AG | | Age | DOB | Coach | Club | SB | PB | |
| 1 | 51.53 | i | Matthew Antoniazzi | | U20 | M | 17 | 21.12.94 | James Thie | Cwmbran | 50.27 | 50.27 |  |
| 2 | 52.48 | i | Matthew Muggeridge | | V35 | M | 35 | 01.10.76 | Graham Howell | Yate | 51.60 | 50.39 | |
| 3 | 52.81 | i | Adam McCarthy | SB | U23 | M | 20 | 06.12.91 | | Havering Mayesbrook/UWIC | 52.81 | 52.17 | |
| 4 | 52.94 | i | Yesper Adams | PB | U20 | M | 17 | 27.07.94 | | Cheltenham | 51.7 | 50.40 | |
| 400 SM 2 |
| Pos | Perf | | Name | | AG | | Age | DOB | Coach | Club | SB | PB | |
| 1 | 52.16 | i | Jonathan Hobbs | | U20 | M | 17 | 26.10.94 | Helen Patricia James | Cardiff | 51.07 | 51.07 | |
| 2 | 52.27 | i | Rhys Granville | | U17 | M | 15 | 05.04.96 | Delyth Brown | Carmarthen | 50.53 | 50.53 | |
| 3 | 52.29 | i | Matthew Collins | | U17 | M | 16 | 30.12.95 | | Barry & Vale | 50.46 | 50.20 | |
| 4 | 55.53 | i | Ryan James | | U15 | M | 14 | 04.09.97 | Helen Patricia James | Cardiff | 52.97 | 51.52 | |
| 400 SM 3 |
| Pos | Perf | | Name | | AG | | Age | DOB | Coach | Club | SB | PB | |
| 1 | 51.19 | i | Mark Berridge | | SEN | M | 27 | 15.06.84 | Martin Tarsey | Basingstoke & Mid Hants | 50.03 | 47.13 | |
| 2 | 51.90 | i | Josh Evans | | U17 | M | 16 | 30.09.95 | Sandra Woodman | Yate | 49.53 | 49.53 | |
| 3 | 52.65 | i | Peter Conway | PB | U20 | M | 17 | 31.03.94 | | Cornwall | 51.3 | 51.3 | |
| 4 | 55.38 | i | Carsten Adams | | U20 | M | 17 | 27.07.94 | Andrew Beadle | Cheltenham | 53.4 | 53.4 | |
| 400 SM 4 |
| Pos | Perf | | Name | | AG | | Age | DOB | Coach | Club | SB | PB | |
| 1 | 52.98 | i | Kyran Roberts | | U17 | M | 16 | 19.09.95 | Delyth Brown | Carmarthen | 52.7 | 52.6 | |
| 2 | 53.40 | i | Stephen Morris T20/F20 | PB | SEN | M | 23 | 13.09.88 | Chris Moss | Federation of Disability Sport Wales | 53.40 | 53.40 | |
| 3 | 53.53 | i | Christopher Marshall | | U23 | M | 20 | 27.01.91 | Darrell Maynard | City of Norwich/UWIC | 52.1 | 51.75 | |
| 4 | 56.57 | i | Neil Tunstall | | V50 | M | 50 | 03.01.62 | Neil Tunstall | Cornwall/South West Vets | 54.47 | 53.7 | |
| 400 SM 5 |
| Pos | Perf | | Name | | AG | | Age | DOB | Coach | Club | SB | PB | |
| 1 | 50.70 | i | Sam Peters | | U23 | M | 21 | 18.06.90 | Paul Batten | Exeter/Plymouth Uni/Armada/Erme Valley | 48.01 | 47.83 | |
| 2 | 54.87 | i | Ryan Cooper | PB | U17 | M | 15 | 30.03.96 | Helen Patricia James | Cardiff | 52.44 | 51.54 | |
| 3 | 55.91 | i | Ryan Hampson | SB | U17 | M | 15 | 04.10.96 | | Stroud | 55.91 | 55.79 | |
| 4 | 57.14 | i | Thomas Hunter | | U17 | M | 15 | 24.10.96 | | Stroud | 53.67 | 53.67 | |
| 400 SW |
| Pos | Perf | | Name | | AG | | Age | DOB | Coach | Club | SB | PB | |
| 1 | 58.56 | i | Megan Rogers | | U20 | W | 18 | 25.05.93 | Darrell Maynard | Wrexham/UWIC/Swansea/North Wales | 56.13 | 55.9 | |
| 2 | 61.09 | i | Dani Cocking | | U23 | W | 21 | 25.12.90 | Paul Darney | Bournemouth/Cardiff Uni | 58.7 | 58.7 | |
| 3 | 63.36 | i | Lucy Hammett | | U17 | W | 16 | 25.11.95 | John Griffiths | Swansea | 61.17 | 60.35 | |
| 4 | 66.04 | i | Emily Morris | | U20 | W | 16 | 23.01.95 | Wynford Leyshon | Swansea | 62.98 | 62.98 | |