Peter Hickman, BMW S 1000 RR, 2018, 16:42.778, 135.452mph / 217.989km/h.
| Category | Rider | Machine | Year | Time | Average Speed |
| Outright | Peter Hickman | BMW S 1000 RR | 2018 | 16:42.778 | 135.452mph / 217.989km/h |
| TT Superbike | Dean Harrison | Kawasaki ZX 10R | 2018 | 16:50.384 | 134.432mph / 216.347km/h |
| Supersport | Michael Dunlop | Honda CBR 600 RR | 2018 | 17:31.328 | 129.197mph / 207.922km/h |
| Lightweight TT | Michael Dunlop | Paton 650 | 2018 | 18:26.543 | 122.750mph / 197.546km/h |
| TT Zero | Michael Rutter | Team Mugen | 2018 | 18:34.956 | 121.824mph / 196.056km/h |
| Superstock TT | Peter Hickman | BMW S 1000 RR | 2018 | 16:50.501 | 134.403mph / 216.300km/h |
| Sidecar TT | Ben & Tom Birchall | Honda CBR | 2018 | 18:59.018 | 119.250mph / 191.914km/h |
| Fastest Newcomer | Peter Hickman | BMW S 1000 RR | 2014 | 17:32.078 | 129.104mph / 207.772km/h |
| Female | Jenny Tinmouth | Honda CBR 1000 RR | 2010 | 18:52.42 | 119.945mph / 193.032km/h |