Umbro produced three new kits for the team as well as a range of retro-feel training wear.

[41] On 12 June, a fifth fixture during pre-season was announced, versus Boston United.

[48] Win Draw Loss Fixtures Grimsby Town were drawn at home to Wealdstone in the first round.

[58] After beating Bradford on penalties, Grimsby were drawn at home against Sheffield Wednesday in Round 2.

[62] The match against Manchester City U21 was rearranged due to Grimsby's progress to the second round of the EFL Cup, and the new date for this fixture was announced as Tuesday 29 October 2024.