| Event | Meeting | Venue | Date | Alastair Chalmers | Alex Knibbs | Tyri Donovan | Joe Fuggle | Declan Gall | Ross Liddle | James Jackson | Cameron Amedee | Joshua Faulds | Ciaran Barnes |
| 400H | ESAA English Schools' Championships | Gateshead | 8 Jul 16 | | | | | | | 55.37 | 1h1 | | | 57.77 | 5h1 | | | | | | | | |
| 400H | Manchester International | Sportcity | 17 Aug 16 | | | | | | | 54.54 | 6 | | | | | | | | | | | 58.23 | 7 |
| 400H | Hampshire County Championships | Portsmouth | 13 May 17 | 53.14 | 1 | | | | | | | | | | | 54.53 | 2 | | | | | | |
| 400H | Loughborough International | Loughborough | 21 May 17 | | | 52.61 | 1rB | 54.58 | 7rB | | | | | | | | | | | | | | |
| 400H | South of England AA U20 / Senior Championships | Crystal Palace | 10 Jun 17 | | | | | 53.77 | 1h1 | | | | | | | | | 56.98 | 2h1 | | | | |
| 400H | South of England AA U20 / Senior Championships | Crystal Palace | 11 Jun 17 | | | | | 54.31 | 1 | | | | | | | | | 66.00 | 7 | | | | |
| 400H | England Athletics U20 / U23 Championships | Bedford | 17 Jun 17 | 54.58 | 1h1 | | | | | 55.48 | 2h1 | | | | | | | | | | | | |
| 400H | England Athletics U20 / U23 Championships | Bedford | 17 Jun 17 | | | 55.04 | 2h2 | 53.78 | 1h2 | | | | | | | | | | | | | | |
| 400H | England Athletics U20 / U23 Championships | Bedford | 18 Jun 17 | 52.06 | 1 | 52.28 | 2 | 52.84 | 3 | 53.77 | 4 | | | | | | | | | | | | |
| 400H | British Athletics Championships | Birmingham | 1 Jul 17 | | | 53.62 | 4h3 | | | 55.67 | 6h3 | | | | | | | | | | | | |
| 400H | ESAA English Schools' Championships | Birmingham | 7 Jul 17 | 54.85 | 2h1 | 53.71 | 1h1 | | | 55.47 | 3h1 | | | | | | | | | | | | |
| 400H | ESAA English Schools' Championships | Birmingham | 7 Jul 17 | | | | | 53.62 | 1h2 | | | | | 54.25 | 2h2 | 56.05 | 3h2 | | | | | | |
| 400H | ESAA English Schools' Championships | Birmingham | 8 Jul 17 | 52.73 | 2 | 52.09 | 1 | 52.81 | 3 | 53.61 | 4 | | | 54.88 | 6 | 54.60 | 5 | | | | | | |
| 400H | UK Youth Development U17/U20 League National Final | Birmingham | 3 Sep 17 | | | | | | | | | 53.68 | 1rA | | | | | | | 54.74 | 2rA | | |
| 400H | BUCS Championships | Bedford | 6 May 18 | | | | | | | 53.36 | 2s2 | 52.62 | 1s2 | | | | | | | | | 56.29 | 6s2 |
| 400H | BUCS Championships | Bedford | 7 May 18 | | | | | | | 52.56 | 2 | 52.14 | 1 | | | | | | | | | | |
| 400H | Loughborough International | Loughborough | 20 May 18 | 51.62 | 5 | | | | | | | 53.03 | 7 | | | | | | | | | | |
| 400H | Loughborough International | Loughborough | 20 May 18 | | | | | 52.23 | 1rns2 | 54.35 | 6rns2 | | | | | | | | | | | | |
| 400H | IFAM Outdoor | Oordegem-Lede, BEL | 26 May 18 | | | | | 52.77 | 1r5 | 53.60 | 2r5 | | | | | | | | | | | | |
| 400H | AtletiCAGenève | Geneva, SUI | 9 Jun 18 | | | 51.21 | 1r4 | 51.72 | 2r4 | | | | | | | | | | | | | | |
| 400H | England Athletics U20 / U23 Championships | Bedford | 16 Jun 18 | 53.17 | 1h2 | | | | | 54.03 | 2h2 | 55.07 | 3h2 | | | | | | | | | | |
| 400H | England Athletics U20 / U23 Championships | Bedford | 17 Jun 18 | 50.71 | 1 | 51.11 | 2 | | | | | | | | | | | | | | | | |
| 400H | England Athletics U20 / U23 Championships | Bedford | 17 Jun 18 | | | | | | | 53.15 | 6 | 52.27 | 4 | | | | | | | 53.47 | 7 | | |
| 400H | Welsh Athletics International | Swansea | 25 Jul 18 | | | | | | | 53.64 | 1 | | | | | | | | | 54.66 | 2 | | |
| 400H | CAU Inter-County Championships (Inc England Athletics Senior Championships) | Sportcity | 28 Jul 18 | | | | | | | 53.31 | 3h1 | | | | | | | | | 54.40 | 4h1 | | |
| 400H | CAU Inter-County Championships (Inc England Athletics Senior Championships) | Sportcity | 29 Jul 18 | | | | | 51.73 | 2 | 54.27 | 7 | | | | | | | | | | | | |
| 400H | British Athletics League Division 1 | Liverpool | 4 Aug 18 | | | | | 51.38 | 1rA | 53.44 | 3rA | | | | | 56.93 | 6rA | | | | | | |
| 400H | BUCS Championships | Bedford | 5 May 19 | | | | | 54.42 | 2s2 | 53.17 | 1s2 | | | | | | | | | | | | |
| 400H | BUCS Championships | Bedford | 6 May 19 | 51.60 | 2 | 51.19 | 1 | 53.06 | 5 | 52.95 | 4 | | | | | | | | | | | | |
| 400H | Loughborough International | Loughborough | 19 May 19 | | | 50.61 | 2 | | | 52.79 | 4 | | | | | | | | | | | | |
| 400H | British Athletics League Division Premiership | Hendon | 9 Jun 19 | | | | | | | 54.06 | 3rB | | | | | | | | | 52.77 | 1rB | | |
| 400H | AtletiCAGenève | Geneva, SUI | 15 Jun 19 | 50.07 | 2r2 | 50.16 | 3r2 | | | | | | | | | | | | | | | | |
| 400H | England Athletics U20 / U23 Championships | Bedford | 22 Jun 19 | | | 51.24 | 1 | 51.96 | 2 | 52.99 | 3 | | | | | | | | | | | | |
| 400H | England Athletics U20 / U23 Championships | Bedford | 23 Jun 19 | 50.58 | 1 | | | | | | | | | | | | | | | 53.00 | 3 | | |
| 400H | CAU Inter-County Championships (Inc England Athletics Senior Championships) | Sportcity | 28 Jul 19 | 50.20 | 1 | | | | | | | | | | | | | | | 31502.00 | - | | |
| 400H | British Championships | Birmingham | 24 Aug 19 | 51.50 | 1h1 | 51.75 | 2h1 | | | | | | | | | | | | | | | | |
| 400H | British Championships | Birmingham | 25 Aug 19 | 50.11 | 4 | 50.80 | 6 | | | | | | | | | | | | | | | | |