| SLMM | Sat 6th Jul 2019 | 1/ | 12:08:35 | See all S Birkenshaw at SLMM |
| Kong MMM Round 1 | Sun 5th Feb 2017 | 1/167 | 04:06:01 | See all S Birkenshaw at Kong MMM Round 1 |
| Old County Tops | Sat 19th May 2012 | 1/102 | 07:03:30 | See all S Birkenshaw at Old County Tops |
| SLMM | Sat 6th Jul 2019 | 1/ | 12:08:35 | See all S Birkenshaw at SLMM |
| Kong MMM Round 1 | Sun 5th Feb 2017 | 1/167 | 04:06:01 | See all S Birkenshaw at Kong MMM Round 1 |
| Old County Tops | Sat 19th May 2012 | 1/102 | 07:03:30 | See all S Birkenshaw at Old County Tops |