Sam Harness
- Races
- 2
- Best class position
- 47th M
- Llanbedr-Blaenafon
- Best category position
- 23rd MV40
- Llanbedr-Blaenafon
- Best series position
- 175th
- South Wales Series 2023
- Average score
- 104.23
| PositionPos | Date | Race | ||||
|---|---|---|---|---|---|---|
| 2026 | ||||||
| DNF | 28 Mar 2026 | Llanbedr-Blaenafon 2026 M MV40 | ||||
| 2023 | ||||||
| 53 | 25 Mar 2023 | Llanbedr-Blaenafon M 47 MV40 23 | ||||