William Muir & Chris Grassick
Trainer record & statistics — 2021-04-12 to 2026-06-05, from a decade of UK & Irish racing data.
-20.4%
Level-stake ROI (SP)
Over this period William Muir & Chris Grassick has won 130 of 1125 races (a 11.6% strike rate, an actual/expected ratio of 0.88 versus the market). Below is the full breakdown by course, going and recent form.
Record by course
| Course | Runs | Wins | SR |
| 137 | 19 | 13.9% |
| 137 | 15 | 10.9% |
| 95 | 5 | 5.3% |
| 67 | 9 | 13.4% |
| 65 | 5 | 7.7% |
| 58 | 9 | 15.5% |
| 56 | 11 | 19.6% |
| 56 | 5 | 8.9% |
| 39 | 3 | 7.7% |
| 37 | 8 | 21.6% |
| 37 | 3 | 8.1% |
| 37 | 3 | 8.1% |
| 37 | 3 | 8.1% |
| 30 | 5 | 16.7% |
| 27 | 4 | 14.8% |
Record by going
| Going | Runs | Wins | SR |
| 442 | 55 | 12.4% |
| 239 | 20 | 8.4% |
| 237 | 28 | 11.8% |
| 185 | 26 | 14.1% |
| 22 | 1 | 4.5% |
Most successful horses
| Horse | Runs | Wins | SR |
| 38 | 8 | 21.1% |
| 42 | 6 | 14.3% |
| 27 | 5 | 18.5% |
| 29 | 4 | 13.8% |
| 26 | 4 | 15.4% |
| 23 | 4 | 17.4% |
| 17 | 4 | 23.5% |
| 13 | 4 | 30.8% |
| 7 | 4 | 57.1% |
| 25 | 3 | 12.0% |
| 23 | 3 | 13.0% |
| 19 | 3 | 15.8% |
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Recent runs
| Date | Course | Horse | Finish | SP |
| 2026-06-05 | Bath | Three Builders (IRE) | 13 | 23.0 |
| 2026-06-04 | Lingfield (AW) | Ritaal (IRE) | 4 | 29.0 |
| 2026-06-04 | Ffos Las | Devious Devan (IRE) | 7 | 5.5 |
| 2026-06-04 | Lingfield (AW) | Blue Tulip (IRE) | 5 | 101.0 |
| 2026-06-03 | Nottingham | Katalyst (GB) | 10 | 8.0 |
| 2026-06-01 | Newbury | Herculeus (GB) | 5 | 10.0 |
| 2026-06-01 | Windsor | Mohaab (GB) | 4 | 3.0 |
| 2026-05-29 | Chepstow | Blue Hercules (IRE) | 2 | 15.0 |
| 2026-05-25 | Leicester | Enricher (IRE) | 10 | 23.0 |
| 2026-05-25 | Leicester | Cosmo Brown (IRE) | 3 | 34.0 |
| 2026-05-23 | Windsor | Blue Jammin (IRE) | 9 | 26.0 |
| 2026-05-23 | Windsor | Midnight Media (GB) | 9 | 41.0 |
| 2026-05-22 | Goodwood | Caramay (GB) | 5 | 51.0 |
| 2026-05-22 | Goodwood | Morte Point (GB) | 12 | 12.0 |
| 2026-05-21 | Southwell (AW) | Blue Tulip (IRE) | 8 | 101.0 |
| 2026-05-19 | Nottingham | Katalyst (GB) | 4 | 51.0 |
| 2026-05-19 | Nottingham | Mohaab (GB) | 1 | 10.0 |
| 2026-05-18 | Wolverhampton (AW) | Pyleates (GB) | 3 | 9.0 |
| 2026-05-18 | Wolverhampton (AW) | Drum Major (IRE) | 6 | 151.0 |
| 2026-05-16 | Newbury | Ebt's Guard (GB) | 4 | 15.0 |
Data: official UK & Irish results, 2021-04-12–2026-06-05. Strike rate and ROI are historical and not a guarantee of future results. 18+ · BeGambleAware.