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trainer at course

John O'Shea at Chepstow

Updated 11 October 2026

The answer

  • What is John O'Shea's record at Chepstow? John O'Shea has trained 39 winners from 344 runners at Chepstow since January 2016 (11%). The latest winner there was Marisitta (GB) on 27 Jun 2026.
  • How does John O'Shea's record at Chepstow compare with other courses? At Chepstow, John O'Shea has a 11.3% strike rate against 7.1% at all other British and Irish courses since 2016.
  • Which jockey has ridden the most winners for John O'Shea at Chepstow? Rossa Ryan, with 5 wins from 25 rides (20%) together at Chepstow since 2016.
  • Which horse has won most often at Chepstow for John O'Shea? Some Nightmare (IRE), with 6 wins from 28 runs (21%) there since 2016.
Record at Chepstow since 2016
39 wins from 344 runs (11%)
Prize money at Chepstow
£253,609 GB
Last winner here
27 Jun 2026: Marisitta (GB)
Runs here since last winner
8 runs

Chepstow v everywhere else

RacesAt ChepstowOther courses
All races39 wins from 344 runs (11%)103 wins from 1,448 runs (7%)
Flat38 wins from 319 runs (12%)73 wins from 1,066 runs (7%)
Jumps1 win from 25 runs (4%)30 wins from 382 runs (8%)

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By season

SeasonRunsWinsWin %PlacedPlace %Prize money
Flat 202619210.5%736.8%£20,321 GB
Flat 202539512.8%1333.3%£37,541 GB
Jumps 2024/25300.0%00.0%£0
Flat 202425312.0%520.0%£14,121 GB
Flat 20232827.1%828.6%£21,231 GB
Jumps 2022/23300.0%133.3%£2,207 GB
Flat 202240615.0%820.0%£31,371 GB
Jumps 2021/223133.3%266.7%£5,910 GB
Flat 202125520.0%728.0%£22,544 GB
Jumps 2020/21300.0%00.0%£350 GB
Flat 20202000.0%210.0%£2,154 GB
Flat 201931412.9%825.8%£27,728 GB
Jumps 2018/19300.0%00.0%£350 GB
Flat 201830516.7%930.0%£29,654 GB
Jumps 2017/18600.0%00.0%£0
Flat 20172727.4%622.2%£11,521 GB
Jumps 2016/17300.0%00.0%£0
Flat 201635411.4%1234.3%£26,418 GB
Jumps 2015/16100.0%00.0%£191 GB

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By race type

Race typeRunsWinsWin %PlacedPlace %Prize money
Flat Turf · non-handicap1300.0%00.0%£1,260 GB
Flat Turf · handicap3063812.4%8527.8%£243,342 GB
Hurdle · non-handicap6116.7%116.7%£3,241 GB
Hurdle · handicap1300.0%17.7%£3,910 GB
Chase · handicap100.0%00.0%£0
NH Flat500.0%120.0%£1,857 GB

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By distance

DistanceRunsWinsWin %PlacedPlace %
5f to 6f1412215.6%4531.9%
7f to 1m130118.5%3023.1%
9f to 11f1218.3%325.0%
12f to 13f30310.0%620.0%
14f and over6116.7%116.7%
Up to 2m1f1317.7%323.1%
2m2f to 2m5f1000.0%00.0%
2m6f to 3m200.0%00.0%

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By going

GoingRunsWinsWin %PlacedPlace %
Good to Firm / Firm1071312.1%2321.5%
Good1111412.6%3027.0%
Good to Soft / Yielding55610.9%1527.3%
Soft6868.8%2029.4%
Heavy300.0%00.0%

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By month

MonthRunsWinsWin %PlacedPlace %
January200.0%00.0%
February200.0%00.0%
March400.0%125.0%
April16425.0%531.3%
May48510.4%1429.2%
June8689.3%2124.4%
July871112.6%2124.1%
August71811.3%1926.8%
September18316.7%633.3%
October700.0%114.3%
November200.0%00.0%
December100.0%00.0%

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By class

ClassRunsWinsWin %PlacedPlace %Prize money
Class 2600.0%116.7%£2,377 GB
Class 3100.0%00.0%£350 GB
Class 446817.4%1430.4%£60,948 GB
Class 51211512.4%3327.3%£88,538 GB
Class 6164169.8%3622.0%£92,888 GB
Unclassified600.0%466.7%£8,508 GB

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Horses with the most wins at Chepstow

HorseRunsWinsPlacedLast win hereLast run here
Some Nightmare (IRE) silksSome Nightmare (IRE)2861125 Aug 2531 Aug 26
Major Valentine (GB) silksMajor Valentine (GB)185826 Aug 1927 May 22
Romanovich (IRE) silksRomanovich (IRE)154525 Jul 2516 Jul 26
Macs Dilemma (IRE) silksMacs Dilemma (IRE)194710 Jul 232 Jul 25
Kinglami (GB) silksKinglami (GB)224819 Jul 1810 Sep 20
Diamonds A Dancing (GB)32222 Jul 169 Aug 16
Dundory (IRE) silksDundory (IRE)52210 Jun 222 Jun 23
Punchbowl Flyer (IRE) silksPunchbowl Flyer (IRE)82515 Jun 2615 Jun 26
Flip Mode (GB) silksFlip Mode (GB)8225 Jun 2124 Aug 23
General Brook (IRE) silksGeneral Brook (IRE)102327 Jul 1821 Jul 20
Outback Frontiers (IRE) silksOutback Frontiers (IRE)21222 Apr 2222 Apr 22
Agent Gibbs (GB)41113 Sep 1614 Aug 20
Swissal (IRE) silksSwissal (IRE)71330 Aug 2130 Aug 21
Marisitta (GB) silksMarisitta (GB)111427 Jun 2631 Aug 26
Ring Eye (IRE)121222 Jul 1628 Jul 17
Letter Of The Law (IRE) silksLetter Of The Law (IRE)231512 Jul 2425 Aug 25

Jockeys at Chepstow

JockeyRidesWinsWin %PlacedLatest
Rossa Ryan25520.0%814 May 24
William Carson22522.7%831 Aug 26
Miss Kate Leahy14535.7%726 Aug 19
Gina Mangan3937.7%818 Aug 26
Ciaran McKee3425.9%819 Aug 21
Luke Morris16212.5%616 Jul 26
Hollie Doyle7228.6%313 May 25
Callum Hutchinson4250.0%219 Aug 21
Edward Greatrex1119.1%324 Aug 17
Georgia Dobie9111.1%37 Jun 25
Jay Mackay8112.5%32 Sep 25
David Probert6116.7%16 Jun 26
Mollie Phillips5120.0%110 Jun 23
Darragh Keenan4125.0%216 Jun 23
Mitch Godwin4125.0%226 Jun 17
Fergus Sweeney4125.0%128 Aug 17
Alexandra Egan3133.3%39 Aug 26
Miss Brodie Hampson800.0%027 Oct 20
Liam Jones800.0%012 Sep 19
Ben Robinson700.0%128 Aug 17

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Biggest wins at Chepstow

DateHorseRaceClassDistJockeySPPrize
27 Aug 18Major Valentine (GB) silksMajor Valentine (GB)Happy Birthday Lyn Davis HandicapClass 46fMiss Kate Leahy22/1£5,531
19 Jul 18Kinglami (GB) silksKinglami (GB)John Lovell & Martin Davies On Course Bookmakers HandicapClass 46fRossa Ryan14/1£5,531
22 Aug 22Macs Dilemma (IRE) silksMacs Dilemma (IRE)Dragon Bet Apprentice HandicapClass 47fGina Mangan4/1£5,508
12 Jul 19Major Valentine (GB) silksMajor Valentine (GB)Silk Series Lady Riders' Handicap (Pro-Am Lady Riders' Race)Class 46fMiss Kate Leahy13/2£5,434
26 Aug 19Major Valentine (GB) silksMajor Valentine (GB)betaid.org Responsible Gambling HandicapClass 46fMiss Kate Leahy11/4J£5,208
15 Aug 19Major Valentine (GB) silksMajor Valentine (GB)bmssw.com Supports Wales Children's Air Ambulance HandicapClass 46fMiss Kate Leahy13/2£5,208
13 Sep 16Agent Gibbs (GB)Turf Services Ltd HandicapClass 41m4fMitch Godwin9/4F£4,852
30 Aug 21Swissal (IRE) silksSwissal (IRE)It Pays To Buy Irish HandicapClass 46fMollie Phillips10/1£4,590
30 May 25Some Nightmare (IRE) silksSome Nightmare (IRE)Dragonbet Born From The Betting Ring HandicapClass 55fGina Mangan5/1£4,187
10 Jul 23Macs Dilemma (IRE) silksMacs Dilemma (IRE)SFI Ltd Building Consultants HandicapClass 57fHollie Doyle4/1F£3,873
14 May 19Major Valentine (GB) silksMajor Valentine (GB)County Marquees HandicapClass 56fMiss Kate Leahy14/1£3,752
2 Jun 18Kinglami (GB) silksKinglami (GB)Dribuild Interiors HandicapClass 56fRossa Ryan11/4J£3,752
28 Jun 22Macs Dilemma (IRE) silksMacs Dilemma (IRE)Thomas Carroll 50th Birthday HandicapClass 57fGina Mangan11/4£3,510
10 Jun 22Dundory (IRE) silksDundory (IRE)BJ Llewellyn Racing In Memory Of Gwilym Llewellyn HandicapClass 51m2fAndrea Atzeni13/8F£3,510
10 May 22Macs Dilemma (IRE) silksMacs Dilemma (IRE)Best Odds Guaranteed At vickers.bet HandicapClass 56fHollie Doyle11/4F£3,510

Related links

Data as of 11 October 2026

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