| Longshaw Sheepdog Trials | Sat 1st Sep 2018 | 78/179 | 00:53:06 | See all Simon Marks at Longshaw Sheepdog Trials |
| Longshaw Sheepdog Trials | Sat 9th Sep 2017 | 66/214 | 00:56:43 | See all Simon Marks at Longshaw Sheepdog Trials |
| Longshaw Sheepdog Trials | Sat 1st Sep 2018 | 78/179 | 00:53:06 | See all Simon Marks at Longshaw Sheepdog Trials |
| Longshaw Sheepdog Trials | Sat 9th Sep 2017 | 66/214 | 00:56:43 | See all Simon Marks at Longshaw Sheepdog Trials |