Championship records relate to second-division performances since the NAL Championship was inaugurated in 2021.
| Men | Women | |||||||
| Date Set | Athlete | Club | Record | Event | Record | Athlete | Club | Date Set |
| 28/08/21 | Nicholas Walsh | Sale H | 10.31w | 100m | 11.84 | Margaret Adeoye | Enfield & Haringey | 6/06/21 |
| 3/07/21 | James Williams | Liverpool H | 20.97w | 200m | 23.90 | Margaret Adeoye | Enfield & Haringey | 6/06/21 |
| 7/08/21 | James Williams | Liverpool H | 46.89 | 400m | 54.67 | Zoe Pollock | Enfield & Haringey | 6/06/21 |
| 6/06/21 | Sean Molloy | Tonbridge AC | 1:50.20 | 800m | 2:08.10 | Emma Alderson | Liverpool H | 6/06/21 |
| 3/07/21 | Reece Sharman-Newell | Basingstoke & MH | 3:52.50 | 1500m | 4.36.09 | Kirsty Walker | Reading AC | 7/08/21 |
| 6/06/21 | Stephen Strange | Tonbridge AC | 8:30.10 | 3000m | 9.58.50 | Kirsty Walker | Reading AC | 3/7/21 |
| 3/07/21 | Stephen Strange | Tonbridge AC | 14.46.60 | 5000m | ||||
| 2000m SC | 7.36.77 | Sydney Foley | Havering AC | 28/08/21 | ||||
| 3/07/21 | Daniel Jarvis | Bedford & County | 9:07.90 | 3000m SC | ||||
| 100mH | 13.70 | Danielle McGifford | Wigan & District | 6/06/21 | ||||
| 3/07/21 | Bradley Reed | Chelmsford AC | 15.04 | 110mH | ||||
| 28/08/21 | James Webster | Liverpool H | 52.32 | 400mH | 64.38 | Felicity Clarke | Havering AC | 28/08/21 |
| 3/07/21 | Sebastian Clatworthy | Chelmsford AC | 2.08 | High Jump | 1.80 | Emily Borthwick | Wigan & District | 28/08/21 |
| 7/08/21 | George Turner | Crawley | 5.10 | Pole Vault | 3.81 | Sopie Ashurst | Sale H | 3/07/21 |
| 7/08/21 | James Lelliott | Bournemouth AC | 7.43 | Long Jump | 5.91 | Stephanie Okoro | Havering AC | 28/08/21 |
| 3/07/21 | Morgan Hayward | Crawley | 14.74 | Triple Jump | 12.92 | Diarra Sow | Crawley | 3/07/21 |
| 3/07/21 | James Kelly | Liverpool H | 16.86 | Shot | 14.58 | Sophie Merritt | Bournemouth AC | |
| 7/08/21 | Eoin Sheridan | Liverpool H | 53.35 | Discus | 60.13 | Kirsty Law | Sale H | 28/08/21 |
| 28/08/21 | Osian Jones | Liverpool H | 71.44 | Hammer | 67.15 | Tara simpson-Sullivan | Wigan & District | 3/07/21 |
| 3/07/21 | Paulus Vaitiekus | Sale H | 64.59 | Javelin | 53.26 | Ioanna Malli | Liverpool H | 3/07/21 |
| 3/07/21 | Sale H | 42.06 | 4 x 100m Relay | 47.35 | Enfield & Haringey | 6/06/21 | ||
| 6/06/21 | Crawley AC | 4 x 400m Relay | 3.55.97 | Wigan & District | 3/07/21 | |||