Joanna Mason
Jockey record & statistics — 2015-01-07 to 2026-06-05, from a decade of UK & Irish racing data.
-14.6%
Level-stake ROI (SP)
Over this period Joanna Mason has won 312 of 2998 races (a 10.4% 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 |
|---|
| 427 | 41 | 9.6% |
| 421 | 35 | 8.3% |
| 308 | 38 | 12.3% |
| 209 | 33 | 15.8% |
| 140 | 12 | 8.6% |
| 137 | 17 | 12.4% |
| 134 | 12 | 9.0% |
| 120 | 15 | 12.5% |
| 112 | 16 | 14.3% |
| 110 | 9 | 8.2% |
| 105 | 5 | 4.8% |
| 100 | 13 | 13.0% |
| 92 | 7 | 7.6% |
| 82 | 6 | 7.3% |
| 82 | 8 | 9.8% |
Record by going
| Going | Runs | Wins | SR |
|---|
| 1261 | 124 | 9.8% |
| 601 | 58 | 9.7% |
| 557 | 61 | 11.0% |
| 519 | 61 | 11.8% |
| 60 | 8 | 13.3% |
Most successful horses
| Horse | Runs | Wins | SR |
|---|
| 35 | 8 | 22.9% |
| 26 | 8 | 30.8% |
| 36 | 7 | 19.4% |
| 30 | 5 | 16.7% |
| 28 | 5 | 17.9% |
| 24 | 5 | 20.8% |
| 30 | 4 | 13.3% |
| 21 | 4 | 19.0% |
| 21 | 4 | 19.0% |
| 21 | 4 | 19.0% |
| 17 | 4 | 23.5% |
| 12 | 4 | 33.3% |
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Recent runs
| Date | Course | Horse | Finish | SP |
|---|
| 2026-06-05 | Thirsk | Tip Foster (GB) | 1 | 5.5 |
| 2026-06-05 | Thirsk | Without Flaw (IRE) | 4 | 4.5 |
| 2026-06-05 | Thirsk | Von Trotter (GB) | 10 | 12.0 |
| 2026-06-05 | Thirsk | J Street (GB) | 5 | 5.0 |
| 2026-06-05 | Thirsk | Ma Leila (GB) | 3 | 4.3 |
| 2026-06-04 | Wetherby | Dragon God (GB) | 5 | 6.5 |
| 2026-06-04 | Wetherby | Folkene (FR) | 10 | 7.5 |
| 2026-06-03 | Ripon | Glory Hyde (IRE) | 1 | 5.5 |
| 2026-06-03 | Ripon | Kiss Me My Love (IRE) | 9 | 6.0 |
| 2026-06-02 | Newcastle (AW) | Arch Legend (GB) | 10 | 12.0 |
| 2026-06-02 | Newcastle (AW) | Star Noir (GB) | 4 | 2.8 |
| 2026-06-02 | Newcastle (AW) | Barleybrown (GB) | 2 | 4.3 |
| 2026-06-02 | Newcastle (AW) | What What What (GB) | 3 | 6.0 |
| 2026-05-31 | Thirsk | Elysian Flame (GB) | 4 | 26.0 |
| 2026-05-31 | Thirsk | Explosive Finnish (GB) | 2 | 6.0 |
| 2026-05-31 | Thirsk | Valley Of Flowers (IRE) | 2 | 29.0 |
| 2026-05-31 | Thirsk | Kinetic Force (GB) | 10 | 5.5 |
| 2026-05-30 | Beverley | Moonjid (GB) | 3 | 12.0 |
| 2026-05-30 | Beverley | Copper And Five (GB) | 4 | 3.8 |
| 2026-05-30 | Beverley | Diligent Resdev (GB) | 6 | 5.5 |
Data: official UK & Irish results, 2015-01-07–2026-06-05. Strike rate and ROI are historical and not a guarantee of future results. 18+ · BeGambleAware.