| Litton Birks Fell | Sun 18th Nov 2018 | 1/59 | 00:36:44 | See all T Mason at Litton Birks Fell |
| Yorkshire Downhill Trial | Sat 8th Sep 2018 | 1/39 | 00:06:23 | See all T Mason at Yorkshire Downhill Trial |
| Arncliffe Gala | Sat 11th Aug 2018 | 1/100 | 00:10:39 | See all T Mason at Arncliffe Gala |
| Buckden Pike | Sat 16th Jun 2018 | 1/82 | 00:35:20 | See all T Mason at Buckden Pike |
| Eshton Moor | Thu 3rd Aug 2017 | 1/76 | 00:33:03 | See all T Mason at Eshton Moor |
| Blackfell | Sat 1st Jul 2017 | 1/57 | 01:20:35 | See all T Mason at Blackfell |
| Burnsall | Sat 20th Aug 2016 | 1/101 | 00:14:58 | See all T Mason at Burnsall |
| Pen y Ghent | Sat 4th Jun 2016 | 1/164 | 00:49:59 | See all T Mason at Pen y Ghent |
| Kirkby Gala | Sat 4th Jul 2015 | 1/58 | 00:31:59 | See all T Mason at Kirkby Gala |
| Charlesworth Chase (Simon’s Seat) | Sat 16th May 2015 | 1/80 | 00:36:34 | See all T Mason at Charlesworth Chase (Simon's Seat) |