| Bibno. | Participant | Category | Country | Distance |
|---|---|---|---|---|
| Tim Waters | (M) Veteran50 |  | Re-register Lakeland 100 2020 | |
| Timothy Broadhurst | (M) Open | | Re-register Lakeland 100 2020 | |
| Timothy Brook | (M) Veteran50 | | Re-register Lakeland 50 2020 | |
| Timothy Rainey | (M) Veteran50 | | Re-register Lakeland 100 2020 | |
| Timothy Seers | (M) Open | | Montane Lakeland 100 | |
| Timothy Taylor | (M) Veteran50 | | Re-register Lakeland 50 2020 | |
| Tina Coulthard | (F) Veteran50 | | Re-register Lakeland 50 2020 | |
| Toby Edwards-Lunn | (M) Veteran40 | | Re-register Lakeland 50 2020 | |
| Toby Lowe | (M) Veteran50 | | Re-register Lakeland 100 2020 | |
| Toby Marsh | (M) Veteran40 | | Re-register Lakeland 50 2020 | |
| Tom Adams | (M) Open | | Montane Lakeland 50 | |
| Tom Alldred | (M) Open | | Montane Lakeland 50 | |
| Tom Baron | (M) Veteran60 | | Re-register Lakeland 50 2020 | |
| Tom Burton | (M) Veteran40 | | Re-register Lakeland 50 2020 | |
| Tom Carthey | (M) Open | | Re-register Lakeland 50 2020 | |
| Tom Chapman | (M) Veteran40 | | Re-register Lakeland 50 2020 | |
| Tom Dobbing | (M) Open | | Re-register Lakeland 100 2020 | |
| Tom Griffin | (M) Veteran40 | | Montane Lakeland 50 | |
| Tom Hallett | (M) Veteran40 | | Re-register Lakeland 50 2020 | |
| Tom Harper | (M) Open | | Montane Lakeland 50 | |
| Tom Holman | (M) Veteran40 | | Re-register Lakeland 50 2020 | |
| Tom Kiely | (M) Veteran40 | | Re-register Lakeland 100 2020 | |
| Tom Roberts | (M) Veteran40 | | Re-register Lakeland 100 2020 | |
| Tom Robinson | (M) Open | | Re-register Lakeland 50 2020 | |
| Tom Southall | (M) Open | | Montane Lakeland 100 | |
| Tom Stewart | (M) Veteran40 | | Re-register Lakeland 50 2020 | |
| Tom Stroud | (M) Open | | Re-register Lakeland 100 2020 | |
| Tom Sutton | (M) Veteran40 | | Re-register Lakeland 100 2020 | |
| Tom Thomson | (M) Veteran40 | | Re-register Lakeland 50 2020 | |
| Tom Tilbe | (M) Open | | Re-register Lakeland 50 2020 | |
| Tom Wake | (M) Open | | Montane Lakeland 100 | |
| Tommy Adams | (M) Open | | Montane Lakeland 50 | |
| Tommy Hughes | (M) Veteran40 | | Montane Lakeland 50 | |
| Toni Perry | (F) Veteran50 | | Re-register Lakeland 50 2020 | |
| Tony Allen | (M) Veteran50 | | Montane Lakeland 50 | |
| Tony Bowe | (M) Veteran50 | | Re-register Lakeland 100 2020 | |
| Tony Harris | (M) Veteran50 | | Re-register Lakeland 50 2020 | |
| Tony Holland | (M) Veteran50 | | Re-register Lakeland 100 2020 | |
| Tony Holland | (M) Veteran50 | | Re-register Lakeland 100 2020 | |
| Tony Marlow | (M) Veteran50 | | Montane Lakeland 100 | |
| Tony Maxwell | (M) Veteran40 | | Re-register Lakeland 50 2020 | |
| Tony Trundley | (M) Veteran50 | | Re-register Lakeland 50 2020 | |
| Tony Tyler | (M) Veteran60 | | Montane Lakeland 50 | |
| Tracey Brown | (F) Veteran50 | | Re-register Lakeland 100 2020 | |
| Tracy Entwistle | (F) Veteran40 | | Re-register Lakeland 50 2020 | |
| Tracy Whittle | (F) Veteran60 | | Re-register Lakeland 50 2020 | |
| Tremayne Cowdry | (M) Veteran40 | | Re-register Lakeland 50 2020 | |
| Trevor Jones | (M) Veteran50 | | Re-register Lakeland 50 2020 | |
| Trish McCarthy | (F) Veteran50 | | Montane Lakeland 50 | |
| Tristan Sopp | (M) Veteran40 | | Re-register Lakeland 100 2020 |
