| Event | Meeting | Venue | Date | Lee Thompson | Jack Lawrie | Shayne Dewar | Robert Shipley | Mark Holliman | Euan Urquhart | Matthew Pagan | Jason Hoyle | Eima Meade | William Seed |
| 300 | Northern Athletics Open Meeting | Sheffield | 5 Dec 15 | 35.27 | 1r2 | | | | | 36.22 | 3r2 | | | | | | | | | | | | |
| 300 | Northern Athletics Open Meeting | Sheffield | 3 Dec 16 | | | | | | | 35.48 | 2r2 | | | | | | | | | 35.36 | 1r2 | | |
| 300 | Northern Athletics Open Meeting | Sheffield | 2 Dec 17 | | | | | | | | | | | | | | | 35.55 | 4r1 | 35.53 | 3r1 | | |
| 300 | Sale Harriers Open Series | Sportcity | 7 Jan 18 | 34.19 | 2r2 | | | | | | | | | | | 35.66 | 3r2 | | | | | | |
| 300 | Glasgow Athletics Association Sprint Gala Open | Scotstoun | 30 May 18 | | | 34.43 | 2r1 | | | | | 35.41 | 4r1 | 35.41 | 5r1 | | | | | | | | |
| 300 | Sale Harriers Open Series | Sportcity | 16 Dec 18 | | | | | | | 34.90 | 1r2 | | | | | 35.42 | 2r2 | | | | | | |
| 300 | Sheffield Run Jump Throw Series | Sheffield | 9 Jun 21 | 32.75 | 1r1 | | | | | | | | | | | 34.61 | 2r1 | | | | | | |