Jon Byford
- Rasys
- 4
- Safle dosbarth gorau
- 25fed M
- Winter Sugar Loaf/Mynydd Pen-y-fâl gaeaf
- Safle categori gorau
- 4ydd MV50
- Llanbedr-Blaenafon (×2)
- Safle cyfres gorau
- 178fed
- South Wales Series 2025
- Sgôr cyfartalog
- 111.86
Safleoedd cyfres
| Tymor | Safle |
|---|---|
| South Wales Series 2025 M 141 MV50 31 107.11 | 178 |
| South Wales Winter Hill Series 2025 M 141 MV50 28 112.12 | 184 |
| South Wales Series 2024 M 162 MV50 20 116.63 | 208 |
| South Wales Winter Hill Series 2024 M 162 MV50 33 111.59 | 205 |