Horse profile
Hieronymus (GB)
9yo gelding (at last run, Aug 2025) · Last trainer George Baker · Last owner Mrs Pao Stafford Tucker
by Dutch Art (GB) out of Sleek (GB) (Oasis Dream)
54 runs · 14 courses · from Jun 2018
As at 14 Oct 2026 · KTB archive: GB, Ireland & France · 2005–present, updated daily
No run recorded since 7 Aug 2025 — 432 days ago. Our archive can't say whether the horse is still in training.
Last run Aug 2025 · 8th of 10
6 wins · Kempton (AW)
Last raced off OR 72
KTB Profile
Hieronymus won six of 54 starts, all on the all-weather at Kempton where he landed six of 22 runs. His last success came in a Class 4 handicap over 6f – 7f at Kempton in Feb 2025 off a mark of 83. The gelding, who was aged 9 at his last run in Aug 2025, finished eighth of 10 in a Class 5 handicap at Sandown off an official rating of 72, 17lb below his highest ever mark. All six wins came in handicaps.
Based on 54 archived runs · run-style from 3 commented runs · updated 14 Oct 2026
KTB at a glance
All wins on AW
OR ↓ 17lb off peak
- 6–54Wins / Runs
- 11.1%Strike rate
- 19 (35.2%)Placed
- +11.50£1 level staken=54 at SP
- 1.47Fair A/E n=54 · 1.25 incl. margin
- 89Highest OR
- 49dAvg between runs
A/E compares actual wins with what starting prices implied. "Fair" strips the bookmaker margin from the expectation, so favourites and longshots are judged on the same footing — figures near 1.00 mean the market priced this horse about right.
Official rating72↓ 17lb off peak
72
63–89
KTB Speed and Rating
KTB Speed
Best recent Speed 116
How fast the horse ran, as points against the day-corrected standard time for its course and distance: 100 is the median GB Class 4 handicap winner on that code; one point is 0.1% of the standard time. A, B or C is how much the day's card could tell us, not how good the run was.
Flat
| Going | Runs | Best | Median | Since 14 Oct 2025 |
|---|---|---|---|---|
| Standard (AW) | 30 | 116A | 97.5 | — |
| Good | 8 | 84B | 79 | — |
| Soft | 7 | 147B | 74 | — |
| Good to Firm | 6 | 87A | 73.5 | — |
| Heavy | 2 | 115A | 85 | — |
| Good to Soft | 1 | — | — | — |
| Distance | Runs | Best | Median | Since 14 Oct 2025 |
|---|---|---|---|---|
| 6f – 7f | 30 | 147B | 84 | — |
| 1m – 1m1f | 21 | 116B | 87 | — |
| Under 6f | 3 | 131A | 115 | — |
KTB Speed v1 · batch 15 Sep 2026 · GB & Irish racing only · 54 figures from 54 runs · as at 3 Oct 2026 · a record, not a forecast
Both figures are KTB's own, computed from the archive; no vendor rating enters either. Every run's figure is on its form line below with its grade. Grades measure how much the archive could see, never the merit of the run.
Run style from 3 analysed runs
- Held up 2 (67%) · 0 wins
- Led 1 (33%) · 0 wins
Pedigree intelligence
Sire
Progeny in our archive have won 12.2% of 8,106 runs since Jan 2008 (600 horses).
Strongest at trips under 6f (all codes): 18.2% from 699. Weakest over 1m5f – 2m (all codes): 9% from 365.
| Going | Runs | Wins | SR | vs sire | This horse |
|---|---|---|---|---|---|
| Firm | 60 | 8 | 13.3% | +1.1 | — |
| Good to Firm | 1,524 | 209 | 13.7% | +1.5 | 0 from 6 |
| Good | 1,630 | 192 | 11.8% | −0.4 | 0 from 8 |
| Good to Soft | 921 | 109 | 11.8% | −0.4 | 0 from 1 |
| Soft | 894 | 107 | 12% | −0.2 | 0 from 7 |
| Heavy | 202 | 22 | 10.9% | −1.3 | 0 from 2 |
| Standard (AW) | 2,875 | 338 | 11.8% | −0.4 | 6 from 30 |
| Distance (all codes) | Runs | Wins | SR | vs sire | This horse |
|---|---|---|---|---|---|
| Under 6f | 699 | 127 | 18.2% | +6 | 0 from 3 |
| 6f – 7f | 3,849 | 482 | 12.5% | +0.3 | 4 from 30 |
| 1m – 1m1f | 1,894 | 204 | 10.8% | −1.4 | 2 from 21 |
| 1m2f – 1m4f | 1,209 | 132 | 10.9% | −1.3 | — |
| 1m5f – 2m | 365 | 33 | 9% | −3.2 | — |
| 2m1f – 2m4f | 72 | 6 | 8.3% | −3.9 | — |
| 2m5f – 3m | 17 | 1 | 5.9% | −6.3 | — |
| Over 3m | 1 | 0 | 0% | −12.2 | — |
Flat and jumps together (all codes) · since Jan 2008 · as at 14 Oct 2026 · rows under 30 runs muted · win % is the measure, a record not a forecast
Dam
Sleek (GB) (Oasis Dream)
1 sibling in the archive, 1 winner — best of them Stylistique (GB) (2 wins).
The wins came over 7f–1m1½f; the highest grade won is Listed (Stylistique (GB)).
| Produce | Runs | Wins | Win trips | Best grade |
|---|---|---|---|---|
| Stylistique (GB) | 13 | 2 | 7f–1m1½f | Listed |
Record by conditions
| Going | Runs | Wins | SR | £1 |
|---|---|---|---|---|
| Standard (AW) | 30 | 6 | 20% | +35.50 |
| Good | 8 | 0 | 0% | −8.00 |
| Soft | 7 | 0 | 0% | −7.00 |
| Good to Firm | 6 | 0 | 0% | −6.00 |
| Heavy | 2 | 0 | 0% | −2.00 |
| Good to Soft | 1 | 0 | 0% | −1.00 |
| Class | Runs | Wins | SR | £1 |
|---|---|---|---|---|
| Class 4 | 25 | 4 | 16% | +11.50 |
| Class 3 | 13 | 0 | 0% | −13.00 |
| Class 5 | 7 | 1 | 14% | +19.00 |
| Class 2 | 7 | 0 | 0% | −7.00 |
| Class 6 | 2 | 1 | 50% | +1.00 |
| Course | Runs | Wins | SR | £1 |
|---|---|---|---|---|
| Kempton (AW) | 22 | 6 | 27% | +43.50 |
| Ascot | 5 | 0 | 0% | −5.00 |
| Goodwood | 4 | 0 | 0% | −4.00 |
| Windsor | 3 | 0 | 0% | −3.00 |
| Doncaster | 3 | 0 | 0% | −3.00 |
| Lingfield (AW) | 3 | 0 | 0% | −3.00 |
| Wolverhampton (AW) | 3 | 0 | 0% | −3.00 |
| Newbury | 2 | 0 | 0% | −2.00 |
| Chelmsford City (AW) | 2 | 0 | 0% | −2.00 |
| Newmarket | 2 | 0 | 0% | −2.00 |
| Nottingham | 2 | 0 | 0% | −2.00 |
| Sandown | 1 | 0 | 0% | −1.00 |
| Lingfield | 1 | 0 | 0% | −1.00 |
| Bath | 1 | 0 | 0% | −1.00 |
| Distance | Runs | Wins | SR | £1 |
|---|---|---|---|---|
| 6f – 7f | 30 | 4 | 13% | +16.00 |
| 1m – 1m1f | 21 | 2 | 10% | −1.50 |
| Under 6f | 3 | 0 | 0% | −3.00 |
| Jockey | Runs | Wins | SR | £1 |
|---|---|---|---|---|
| Charles Bishop | 9 | 3 | 33% | +16.50 |
| Nicola Currie | 9 | 2 | 22% | +28.00 |
| Trevor Whelan | 4 | 0 | 0% | −4.00 |
| Tom Queally | 4 | 0 | 0% | −4.00 |
| Pat Cosgrave | 3 | 0 | 0% | −3.00 |
| Hector Crouch | 3 | 0 | 0% | −3.00 |
| Shane Kelly | 3 | 0 | 0% | −3.00 |
| Callum Shepherd | 2 | 0 | 0% | −2.00 |
| Harry Davies | 2 | 0 | 0% | −2.00 |
| Oisin Murphy | 2 | 0 | 0% | −2.00 |
| Jim Crowley | 1 | 0 | 0% | −1.00 |
| Daniel Muscutt | 1 | 0 | 0% | −1.00 |
| Jordan Williams | 1 | 0 | 0% | −1.00 |
| Neil Callan | 1 | 0 | 0% | −1.00 |
| Aidan Keeley | 1 | 0 | 0% | −1.00 |
| Paul Mulrennan | 1 | 0 | 0% | −1.00 |
| Kevin Stott | 1 | 0 | 0% | −1.00 |
| Mr Simon Walker | 1 | 0 | 0% | −1.00 |
| Adam Kirby | 1 | 0 | 0% | −1.00 |
| George Rooke | 1 | 1 | 100% | +2.00 |
| Rob Hornby | 1 | 0 | 0% | −1.00 |
| David Egan | 1 | 0 | 0% | −1.00 |
| Jamie Spencer | 1 | 0 | 0% | −1.00 |
| Headgear | Runs | Wins | SR | £1 |
|---|---|---|---|---|
| Cheekpieces | 38 | 6 | 16% | +27.50 |
| None | 9 | 0 | 0% | −9.00 |
| Tongue tie + cheekpieces | 4 | 0 | 0% | −4.00 |
| Tongue tie + visor | 2 | 0 | 0% | −2.00 |
| Visor | 1 | 0 | 0% | −1.00 |
| Season | Runs | Wins | SR | £1 |
|---|---|---|---|---|
| 2025 | 6 | 1 | 17% | +2.50 |
| 2024 | 14 | 2 | 14% | +3.00 |
| 2023 | 7 | 0 | 0% | −7.00 |
| 2022 | 3 | 0 | 0% | −3.00 |
| 2021 | 5 | 0 | 0% | −5.00 |
| 2020 | 6 | 3 | 50% | +34.00 |
| 2019 | 7 | 0 | 0% | −7.00 |
| 2018 | 6 | 0 | 0% | −6.00 |
Splits include every sample, however small — muted rows are under 3 runs. A one-from-one record is a fact, not a trend: read the Runs column before the strike rate.
Form
| Date | Course | Race | Pos | Btn | Wgt | OR | Spd | KTB | Jockey | SP |
|---|---|---|---|---|---|---|---|---|---|---|
| 07 Aug 25+13d | Sandown | Hallgarten Novum Wines Handicap Sat close to the front - lost touch inside final 2f - held on for eighth | 8/10 | 6½ | 9-6 | 72 | 60C | 60C | Jim Crowley | 25/1 |
| 25 Jul 25+65d | Ascot | Chapel Down Handicap Held up handy early - moved left approaching final two furlongs and dropped through field - faded steadily inside final furlong to finish well held | 11/12 | ½ | 9-9 | 75 | 80B | 65A | Daniel Muscutt | 25/1 |
| 21 May 25+44d | Kempton (AW) | Try Unibet's New Smartview Racecards Handicap Sluggish start - held up at the back of the field throughout - well held in 12th | 12/13 | 8 | 9-9 | 85 | 54C | 58C | Pat Cosgrave | 9/1 |
| 07 Apr 25+40d | Kempton (AW) | Free Bet With Unibet's Betbuilder Rebound Handicap Went straight to the front early - driven to keep advantage over 2f out before being overtaken with a furlong left - unable to find more late and beaten into 7th | 7/12 | 1 | 9-9 | 85 | 79A | 87A | Charles Bishop | 14/1 |
| 26 Feb 25+14d | Kempton (AW) | Free Bet With Unibet's Betbuilder Rebound Handicap Pushed along from the off - tracked the front pack - hit the front inside the last and stayed on gamely to score | 1/9 | 9-7 | 83 | 116A | 91A | Charles Bishop | 15/2 | |
| 12 Feb 25+56d | Kempton (AW) | Try Unibet's New Improved Acca Boosts Apprentice Handicap Tracked front pack early - pushed along a furlong out and found extra to hit the front inside the last - caught in the final strides for second | 2/9 | ½ | 10-0 | 83 | 98A | 90A | Jordan Williams | 8/1 |
| 18 Dec 24+77d | Kempton (AW) | Unibet More Extra Place Races Handicap Set the pace early - pressed and overtaken approaching 2f out then dropped to third with a furlong left - faded fast to finish well held | 8/12 | 3½ | 9-6 | 85 | 90A | 74A | Charles Bishop | 40/1 |
| 02 Oct 24+25d | Kempton (AW) | North Farm Stud Handicap (Div 2) Settled in the pack early - pushed along with 2f left - dropped away close home - finished 14th | 14/14 | hd | 10-1 | 86 | 83B | 75A | Callum Shepherd | 14/1 |
| 07 Sep 24+18d | Kempton (AW) | Unibet London Mile Series Final Handicap Set the early pace - pushed along and overtaken approaching the final furlong - battled on but slipped back late into third | 3/14 | 1¼ | 9-1 | 86 | 86B | 86A | Nicola Currie | 80/1 |
| 20 Aug 24+20d | Kempton (AW) | Try Unibet's New Acca Boosts Handicap Sat close to leader early - asked for effort over 2f out but slipped back into 3rd inside final 2f - drifted right and faded final furlong | 8/9 | 2½ | 9-11 | 87 | 94A | 74A | Hector Crouch | 11/1 |
| 31 Jul 24+44d | Goodwood | HKJC World Pool Handicap | 17/18 | nk | 9-2 | 81 | 66C | 63A | Nicola Currie | 66/1 |
| 17 Jun 24+24d | Windsor | Fitzdares June Handicap | 8/8 | 4 | 9-7 | 83 | 87A | 65A | Charles Bishop | 15/2 |
| 24 May 24+34d | Goodwood | William Hill Epic Boost Handicap | 8/12 | ½ | 9-4 | 85 | 79A | 82A | Charles Bishop | 18/1 |
| 20 Apr 24+19d | Newbury | OLBG Spring Cup Handicap (Str) | 18/21 | nk | 8-8 | 89 | 77C | 63C | Callum Shepherd | 66/1 |
| 01 Apr 24+9d | Kempton (AW) | Virgin Bet Daily Extra Places Handicap (London Mile Series Qualifier) | 3/10 | nk | 9-3 | 89 | 110A | 91A | Neil Callan | 10/1 |
| 23 Mar 24+24d | Doncaster | William Hill Lincoln (Heritage Handicap) (Str) | 15/20 | hd | 8-4 | 86 | 74C | 66C | Aidan Keeley | 80/1 |
| 28 Feb 24+20d | Kempton (AW) | Try Unibet's Improved Bet Builder Handicap | 1/8 | 9-10 | 86 | 112A | 103A | Charles Bishop | 15/2 | |
| 08 Feb 24+12d | Lingfield (AW) | Stay Golden With Betmgm Safer Gambling Handicap | 4/7 | nse | 9-7 | 86 | 107A | 84A | Charles Bishop | 10/1 |
| 27 Jan 24+24d | Kempton (AW) | Unibet More Boosts In More Races Handicap | 3/7 | nk | 9-10 | 86 | 114A | 86A | Charles Bishop | 2/1F |
| 03 Jan 24+23d | Kempton (AW) | Try Our New Price Boosts At Unibet Handicap | 1/11 | 9-6 | 82 | 110A | 97A | Charles Bishop | 15/2 | |
| 11 Dec 23+16d | Chelmsford City (AW) | Fairwood Brasserie Dining Experience Handicap | 5/7 | hd | 9-10 | 83 | 89A | 79A | Harry Davies | 10/1 |
| 25 Nov 23+21d | Wolverhampton (AW) | Best Odds Guaranteed At BetMGM Handicap (Div 1) | 2/8 | hd | 9-12 | 80 | 96A | 96A | Harry Davies | 7/2 |
| 04 Nov 23+19d | Newmarket | Betfred 'Passionate About Sport' Handicap | 12/17 | 4 | 9-9 | 82 | 55C | 68A | Paul Mulrennan | 10/1 |
| 16 Oct 23+10d | Kempton (AW) | Try Unibet's New Acca Boosts Handicap | 6/11 | ¾ | 9-12 | 83 | 103A | 83A | Kevin Stott | 7/2J |
| 06 Oct 23+177d | Ascot | Thoroughbred Industry Employee Awards Amateur Jockeys' Handicap | 2/12 | 2½ | 10-7 | 82 | 84B | 101A | Mr Simon Walker | 17/2 |
| 12 Apr 23+58d | Kempton (AW) | Unibet 3 Uniboosts Per Day Handicap | 10/13 | 1 | 9-9 | 85 | 116B | 77A | Trevor Whelan | 11/1 |
| 13 Feb 23+76d | Wolverhampton (AW) | Top Odds Every Day With BetUK Handicap | 13/13 | ½ | 9-4 | 88 | 108B | 69A | Trevor Whelan | 33/1 |
| 29 Nov 22+206d | Wolverhampton (AW) | Spreadex Sports Injury Time Loser Insurance Handicap | 5/10 | hd | 9-8 | 89 | 100A | 87A | Trevor Whelan | 80/1 |
| 07 May 22+22d | Ascot | Tote Victoria Cup (Heritage Handicap) | 10/27 | nse | 8-6 | 89 | 79C | 88A | Nicola Currie | 33/1 |
| 15 Apr 22+223d | Chelmsford City (AW) | Ministry Of Sound Disco 20th August Handicap | 2/8 | nk | 9-7 | 89 | 97A | 98A | Pat Cosgrave | 8/1 |
| 04 Sep 21+16d | Kempton (AW) | Unibet London Mile Series Final Handicap | 2/14 | hd | 9-6 | 87 | 104B | 103A | Hector Crouch | 13/2 |
| 19 Aug 21+22d | Windsor | William Hill Pick Your Places Racing League Race Twenty-Two (Handicap) | 2/10 | 1½ | 9-7 | 87 | 83B | 93A | Hector Crouch | 8/1 |
| 28 Jul 21+30d | Goodwood | World Pool Handicap | 2/17 | hd | 9-4 | 85 | 71C | 95A | Adam Kirby | 20/1 |
| 28 Jun 21+40d | Lingfield | Free Tips Daily On attheraces.com Handicap | 7/8 | 6 | 10-1 | 86 | 38C | 70C | Trevor Whelan | 6/1 |
| 19 May 21+217d | Kempton (AW) | Unibet Extra Place Offers Every Day Handicap | 4/11 | 1¼ | 9-10 | 87 | 101A | 97A | Pat Cosgrave | 10/1 |
| 14 Oct 20+12d | Kempton (AW) | Unibet 3 Uniboosts A Day Handicap | 14/14 | 3½ | 9-9 | 87 | 64C | 60C | Nicola Currie | 9/1 |
| 02 Oct 20+121d | Ascot | Racing Welfare Handicap | 3/8 | ¾ | 9-4 | 87 | 147B | 88A | Nicola Currie | 18/1 |
| 03 Jun 20+98d | Kempton (AW) | Unibet Casino Deposit 10 Get 40 Bonus Handicap | 1/11 | 9-4 | 77 | 112A | 108A | Nicola Currie | 10/1 | |
| 26 Feb 20+35d | Kempton (AW) | 32Red.com Handicap (Div 1) | 1/11 | 9-2 | 67 | 92A | 88A | George Rooke | 2/1F | |
| 22 Jan 20+11d | Kempton (AW) | 100% Profit Boost At 32RedSport.com Handicap | 1/11 | 8-10 | 63 | 110A | 87A | Nicola Currie | 25/1 | |
| 11 Jan 20+14d | Lingfield (AW) | Bombardier 'March To Your Own Drum' Handicap | 12/13 | 1 | 9-8 | 66 | 84B | 62A | Nicola Currie | 20/1 |
| 28 Dec 19+31d | Lingfield (AW) | Betway Handicap | 9/11 | 1¾ | 9-0 | 68 | 84A | 57A | Nicola Currie | 5/1 |
| 27 Nov 19+21d | Kempton (AW) | Bet At Racingtv.com Novice Stakes | 5/9 | nk | 9-2 | 70 | 83A | 64A | Tom Queally | 7/1 |
| 06 Nov 19+7d | Nottingham | MansionBet Best Odds Guaranteed Handicap | 8/10 | 1 | 8-12 | 70 | 115A | 68A | Tom Queally | 7/1 |
| 30 Oct 19+14d | Nottingham | Download The MansionBet App Handicap | 2/9 | 1 | 9-2 | 70 | 131A | 90A | Tom Queally | 16/1 |
| 16 Oct 19+71d | Bath | Download The Star Sports App Now Handicap | 4/11 | shd | 9-9 | 72 | 74A | 93A | Oisin Murphy | 20/1 |
| 06 Aug 19+8d | Newbury | Donnington Grove Veterinary Surgery Handicap | 6/7 | nk | 8-12 | 76 | 84A | 56A | Shane Kelly | 50/1 |
| 29 Jul 19+317d | Windsor | Marathonbet Official Global Partner Of Manchester City Handicap | 7/7 | 5 | 9-8 | 76 | 39A | 49A | Tom Queally | 20/1 |
| 15 Sep 18+7d | Doncaster | Napoleons Casinos & Restaurants Nursery | 8/8 | 8 | 8-9 | 79 | 53C | 45C | Rob Hornby | 14/1 |
| 08 Sep 18+37d | Kempton (AW) | 188Bet Mobile Bet10 Get20 Nursery | 2/7 | 2¼ | 9-7 | 78 | 83A | 76A | Shane Kelly | 10/1 |
| 02 Aug 18+19d | Goodwood | Telegraph Nursery | 4/17 | ½ | 8-9 | 78 | 59C | 78A | David Egan | 12/1 |
| 14 Jul 18+22d | Ascot | Kelly Group Novice Auction Stakes (Plus 10) | 4/11 | ½ | 9-2 | — | 71A | 85A | Oisin Murphy | 8/1 |
| 22 Jun 18+20d | Newmarket | Fly London Southend Airport To Lyon Novice Stakes (Plus 10) | 5/9 | ½ | 9-2 | — | 76A | 79A | Shane Kelly | 33/1 |
| 02 Jun 18 | Doncaster | Betfred 'Treble Odds On Lucky 15's' EBF Novice Stakes (Plus 10) (Div 1) | 4/5 | 1 | 9-2 | — | 50C | 67B | Jamie Spencer | 28/1 |
Quick answers
- How many races has Hieronymus (GB) won?
- Hieronymus (GB) won 6 of 54 archived starts between 2018 and 2025, a strike rate of 11.1%. Placed 19 times in total (35.2% of starts).
- Who trained Hieronymus (GB)?
- Hieronymus (GB) was trained by George Baker on the most recent run on record, at Sandown on 7 August 2025.
- Who is Hieronymus (GB)'s sire?
- Hieronymus (GB) is by Dutch Art (GB) out of Sleek (GB), whose sire is Oasis Dream.
- What going does Hieronymus (GB) prefer?
- Hieronymus (GB) has the best record on standard (aw) going: 6 wins from 30 starts (20%). Only going bands with at least three archived starts are read, so this is a direction rather than a settled preference.
- What is Hieronymus (GB)'s official rating?
- The most recent official rating on record is 72, from the run on 7 August 2025. The highest on record is 89.
- What is Hieronymus (GB)'s sire's record?
- Dutch Art (GB)'s progeny in our archive have won 12.2% of 8,106 runs since Jan 2008 (600 horses), Flat and jumps together. Strongest at trips under 6f (all codes): 18.2% from 699. Weakest over 1m5f – 2m (all codes): 9% from 365.
- Who are Hieronymus (GB)'s siblings?
- Out of Sleek (GB), Hieronymus (GB) has 1 other produce in our archive, 1 of them a winner. Most wins: Stylistique (GB) (2). Highest grade won: Listed (Stylistique (GB)). The wins came over 7f–1m1½f. As at Oct 2026.