| Date | League | Pos | Result | Pos |   | xScore | Perf | Home | Away | Wins | Draws | Losses | Points | Pts/Game |
|---|
| 18 Apr | EFL 2 | 17 | Gillingham 1 - 4 Grimsby Town | 9 |  | 0 - 1  |  |   |  | 1/1 | 0/1 | 0/1 | 3/3 | 3.0 |
| 14 Apr | EFL 2 | 9 | Chesterfield 2 - 1 Grimsby Town | 7 |  | 2 - 2  |  |   |  | 1/2 | 0/2 | 1/2 | 3/6 | 1.5 |
| 11 Apr | EFL 2 | 10 | Grimsby Town 3 - 2 Crewe Alexandra | 9 |  | 2 - 2  |  |  |   | 2/3 | 0/3 | 1/3 | 6/9 | 2.0 |
| 6 Apr | EFL 2 | 20 | Crawley Town 0 - 2 Grimsby Town | 10 |  | 1 - 1  |  |   |  | 3/4 | 0/4 | 1/4 | 9/12 | 2.3 |
| 3 Apr | EFL 2 | 9 | Grimsby Town 1 - 3 Harrogate Town | 24 |  | 2 - 1  |  |  |   | 3/5 | 0/5 | 2/5 | 9/15 | 1.8 |
| 21 Mar | EFL 2 | 7 | Grimsby Town 5 - 0 Barrow | 24 |  | 2 - 1  |  |  |   | 4/6 | 0/6 | 2/6 | 12/18 | 2.0 |
| 17 Mar | EFL 2 | 8 | Grimsby Town 1 - 0 Fleetwood Town | 14 |  | 2 - 1  |  |  |   | 5/7 | 0/7 | 2/7 | 15/21 | 2.1 |
| 14 Mar | EFL 2 | 12 | Oldham Athletic 1 - 0 Grimsby Town | 9 |  | 2 - 1  |  |   |  | 5/8 | 0/8 | 3/8 | 15/24 | 1.9 |
| 7 Mar | EFL 2 | 10 | Grimsby Town 1 - 1 Bromley | 1 |  | 2 - 1  |  |  |   | 5/9 | 1/9 | 3/9 | 16/27 | 1.8 |
| 3 Mar | EFL 2 | 12 | Grimsby Town 3 - 1 Salford City | 6 |  | 2 - 1  |  |  |   | 6/10 | 1/10 | 3/10 | 19/30 | 1.9 |
| 28 Feb | EFL 2 | 4 | Notts County 0 - 1 Grimsby Town | 11 |  | 2 - 2  |  |   |  | 7/11 | 1/11 | 3/11 | 22/33 | 2.0 |
| 21 Feb | EFL 2 | 21 | Bristol Rovers 3 - 1 Grimsby Town | 10 |  | 0 - 1  |  |   |  | 7/12 | 1/12 | 4/12 | 22/36 | 1.8 |
| 18 Feb | EFL 2 | 10 | Grimsby Town 2 - 2 Walsall | 9 |  | 2 - 1  |  |  |   | 7/13 | 2/13 | 4/13 | 23/39 | 1.8 |
| 11 Feb | EFL 2 | 12 | Grimsby Town 1 - 0 Accrington Stanley | 13 |  | 2 - 3  |  |  |   | 8/14 | 2/14 | 4/14 | 26/42 | 1.9 |
| 7 Feb | EFL 2 | 22 | Newport County 0 - 0 Grimsby Town | 8 |  | 1 - 1  |  |   |  | 8/15 | 3/15 | 4/15 | 27/45 | 1.8 |
| 31 Jan | EFL 2 | 8 | Grimsby Town 2 - 2 Milton Keynes Dons | 5 |  | 2 - 1  |  |  |   | 8/16 | 4/16 | 4/16 | 28/48 | 1.8 |
| 27 Jan | EFL 2 | 9 | Colchester United 0 - 1 Grimsby Town | 8 |  | 2 - 1  |  |   |  | 9/17 | 4/17 | 4/17 | 31/51 | 1.8 |
| 24 Jan | EFL 2 | 17 | Cheltenham Town 0 - 2 Grimsby Town | 10 |  | 1 - 1  |  |   |  | 10/18 | 4/18 | 4/18 | 34/54 | 1.9 |
| 17 Jan | EFL 2 | 10 | Grimsby Town 1 - 0 Barnet | 11 |  | 2 - 2  |  |  |   | 11/19 | 4/19 | 4/19 | 37/57 | 1.9 |
| 1 Jan | EFL 2 | 9 | Fleetwood Town 0 - 1 Grimsby Town | 10 |  | 3 - 1  |  |   |  | 12/20 | 4/20 | 4/20 | 40/60 | 2.0 |
| 29 Dec | EFL 2 | 13 | Grimsby Town 1 - 0 Shrewsbury Town | 22 |  | 2 - 0  |  |  |   | 13/21 | 4/21 | 4/21 | 43/63 | 2.0 |
| 26 Dec | EFL 2 | 13 | Grimsby Town 0 - 0 Oldham Athletic | 15 |  | 2 - 1  |  |  |   | 13/22 | 5/22 | 4/22 | 44/66 | 2.0 |
| 20 Dec | EFL 2 | 4 | Bromley 2 - 0 Grimsby Town | 12 |  | 3 - 1  |  |   |  | 13/23 | 5/23 | 5/23 | 44/69 | 1.9 |
| 13 Dec | EFL 2 | 9 | Grimsby Town 0 - 2 Notts County | 2 |  | 1 - 0  |  |  |   | 13/24 | 5/24 | 6/24 | 44/72 | 1.8 |
| 9 Dec | EFL 2 | 23 | Shrewsbury Town 1 - 1 Grimsby Town | 9 |  | 1 - 1  |  |   |  | 13/25 | 6/25 | 6/25 | 45/75 | 1.8 |
| 27 Nov | EFL 2 | 6 | Grimsby Town 1 - 2 Tranmere Rovers | 17 |  | 2 - 2  |  |  |   | 13/26 | 6/26 | 7/26 | 45/78 | 1.7 |
| 22 Nov | EFL 2 | 2 | Swindon Town 2 - 2 Grimsby Town | 6 |  | 2 - 2  |  |   |  | 13/27 | 7/27 | 7/27 | 46/81 | 1.7 |
| 15 Nov | EFL 2 | 9 | Grimsby Town 0 - 1 Chesterfield | 11 |  | 2 - 2  |  |  |   | 13/28 | 7/28 | 8/28 | 46/84 | 1.6 |
| 8 Nov | EFL 2 | 15 | Barrow 2 - 2 Grimsby Town | 6 |  | 1 - 1  |  |   |  | 13/29 | 8/29 | 8/29 | 47/87 | 1.6 |
| 25 Oct | EFL 2 | 11 | Crewe Alexandra 3 - 2 Grimsby Town | 4 |  | 0 - 1  |  |   |  | 13/30 | 8/30 | 9/30 | 47/90 | 1.6 |
| 18 Oct | EFL 2 | 5 | Grimsby Town 1 - 0 Gillingham | 3 |  | 1 - 2  |  |  |   | 14/31 | 8/31 | 9/31 | 50/93 | 1.6 |
| 11 Oct | EFL 2 | 3 | Grimsby Town 1 - 2 Colchester United | 19 |  | 3 - 1  |  |  |   | 14/32 | 8/32 | 10/32 | 50/96 | 1.6 |
| 4 Oct | EFL 2 | 4 | Salford City 0 - 2 Grimsby Town | 5 |  | 3 - 2  |  |   |  | 15/33 | 8/33 | 10/33 | 53/99 | 1.6 |
| 27 Sep | EFL 2 | 5 | Grimsby Town 7 - 1 Cheltenham Town | 24 |  | 1 - 1  |  |  |   | 16/34 | 8/34 | 10/34 | 56/102 | 1.6 |
| 20 Sep | EFL 2 | 15 | Barnet 3 - 0 Grimsby Town | 5 |  | 2 - 1  |  |   |  | 16/35 | 8/35 | 11/35 | 56/105 | 1.6 |
| 13 Sep | EFL 2 | 4 | Grimsby Town 1 - 1 Cambridge United | 12 |  | 1 - 1  |  |  |   | 16/36 | 9/36 | 11/36 | 57/108 | 1.6 |
| 6 Sep | EFL 2 | 7 | Milton Keynes Dons 2 - 3 Grimsby Town | 8 |  | 2 - 2  |  |   |  | 17/37 | 9/37 | 11/37 | 60/111 | 1.6 |
| 30 Aug | EFL 2 | 4 | Grimsby Town 0 - 1 Bristol Rovers | 20 |  | 1 - 0  |  |  |   | 17/38 | 9/38 | 12/38 | 60/114 | 1.6 |
| 23 Aug | EFL 2 | 20 | Accrington Stanley 1 - 1 Grimsby Town | 2 |  | - |  |   |  | 17/39 | 10/39 | 12/39 | 61/117 | 1.6 |
| 19 Aug | EFL 2 | 7 | Walsall 0 - 1 Grimsby Town | 4 |  | - |  |   |  | 18/40 | 10/40 | 12/40 | 64/120 | 1.6 |
| 16 Aug | EFL 2 | 5 | Grimsby Town 2 - 1 Newport County | 9 |  | - |  |  |   | 19/41 | 10/41 | 12/41 | 67/123 | 1.6 |
| 9 Aug | EFL 2 | 5 | Harrogate Town 3 - 3 Grimsby Town | 1 |  | - |  |   |  | 19/42 | 11/42 | 12/42 | 68/126 | 1.6 |
| 2 Aug | EFL 2 | - | Grimsby Town 3 - 0 Crawley Town | - |  | - | - |  |   | 20/43 | 11/43 | 12/43 | 71/129 | 1.7 |