G G Margarson
G G Margarson is a horse trainer based in Newmarket, Suffolk, specialising in Flat racing. From 2618 career runners, he has saddled 239 winners, at a 9.1% strike rate. He has earned £2.9M in prize money. He currently has 244 horses in his stable. His strongest record is at Epsom (2w from 5r).
Career Statistics
Win Rate
9.1%
Total Wins
239
Total Runs
2,618
Active Horses
244
Prize Money
£2.9M
Recent Form
Season Performance
Win Rate % · Prize Money (£k) · Runs
- Runs
- Prize £k
- Win Rate %
Recent Results
Last 20 runners| Date | Horse | Course | Race | Pos | Jockey | SP | Prize £ |
|---|---|---|---|---|---|---|---|
| 29 Oct | Dapper Guest (IRE) | Southwell (AW) | AW Trials Day - Lingfield 2nd Jan 2027 Handicap Stakes | 4 | Callum Shepherd | 33/1 | £964 |
| 22 Oct | Mythical Guest (IRE) | Newmarket | CopyBet Pay First Past The Post Handicap Stakes (GBBPlus Race) | 7 | Saffie Osborne | 13/2 | £0 |
| 20 Oct | Noble Guest (GB) | Yarmouth | Join Moulton Racing Syndicate Apprentice Handicap Stakes | 1 | Connor Planas | 10/1 | £5.7k |
| 15 Oct | Noble Guest (GB) | Brighton | Position Payout At bet365 Handicap Stakes | 8 | Callum Shepherd | 4/1 | £0 |
| 13 Oct | Dapper Guest (IRE) | Leicester | Happy 80th Reg Ling Handicap Stakes | 14 | Robert Havlin | 50/1 | £0 |
| 05 Oct | Mythical Guest (IRE) | Yarmouth | Haven Seashore Holiday Park Handicap Stakes (GBBPlus Race) | 4 | Jack Callan | 10/1 | £663 |
| 26 Sept | Dapper Guest (IRE) | Newmarket | Hunt Family Fund Handicap Stakes | 11 | Jack Nicholls | 50/1 | £0 |
| 25 Sept | Mythical Guest (IRE) | Newmarket | Betway Bet £10 Get £40 Handicap Stakes | 3 | Callum Shepherd | 12/1 | £3k |
| 15 Sept | Mythical Guest (IRE) | Yarmouth | Thurlow Nunn Standen Groundcare Handicap Stakes (GBBPlus Race) | 3 | Callum Shepherd | 8/1 | £1.3k |
| 10 Sept | Dapper Guest (IRE) | Epsom | Flat Out Flat Glass Solutions Handicap Stakes | 1 | Jack Callan | 9/1 | £6k |
| 04 Sept | Mythical Guest (IRE) | Ascot | Ascot Hospitality Handicap Stakes | 12 | Kieran O'Neill | 40/1 | £0 |
| 31 Aug | Dapper Guest (IRE) | Epsom | Betfred 'play Fred's £5 Million' Handicap Stakes | 1 | Saffie Osborne | 9/2 | £6.3k |
| 30 Aug | Noble Guest (GB) | Yarmouth | Bodhi Solutions - Facilities Management Front Runner Handicap Stakes | 8 | Mason Paetel | 9/1 | £0 |
| 23 Aug | Dapper Guest (IRE) | Brighton | Blackmore Design & Build Handicap Stakes | 3 | David Egan | 14/1 | £1.3k |
| 14 Aug | Mythical Guest (IRE) | Newmarket (July) | Racing TV Handicap Stakes | 3 | Mason Paetel | 16/1 | £2.4k |
| 12 Aug | Dapper Guest (IRE) | Kempton | Unibet Support Safer Gambling Handicap Stakes (Div I) | 11 | Tom Queally | 13/2 | £0 |
| 28 Jul | Noble Guest (GB) | Yarmouth | Get Raceday Ready Handicap Stakes | 4 | Harry Burns | 5/1 | £442 |
| 24 Jul | Dapper Guest (IRE) | Ascot | Chapel Down Handicap Stakes | 8 | David Egan | 14/1 | £0 |
| 18 Jul | Mythical Guest (IRE) | Newmarket (July) | Lodge At The National Stud Handicap Stakes | 4 | Robert Havlin | 4/1 | £755 |
| 11 Jul | Dapper Guest (IRE) | Newmarket | Betway Bunbury Cup (Heritage Handicap) | 13 | Tyler Heard | 50/1 | £0 |
Strike Rate by Course & Distance
Win % by course (rows) and distance band (columns). Min 1 run to show a cell.
| Course | 5f | 6f | 7f | 1m | 1m2f | 1m4f+ |
|---|---|---|---|---|---|---|
| Ascot | 0% | 5% | 4% | 7% | 0% | 14% |
| Yarmouth | 9% | 17% | 18% | 20% | 14% | 30% |
| Newmarket | 0% | 9% | 9% | 0% | 7% | 0% |
| Lingfield (AW) | 40% | 0% | 8% | 13% | 14% | 11% |
| Newmarket (July) | 0% | 7% | 3% | 0% | 0% | 14% |
| Kempton (AW) | 0% | 0% | 22% | 8% | 25% | 4% |
| Wolverhampton (AW) | 40% | 25% | 27% | — | 28% | 21% |
| Windsor | 11% | 15% | — | 13% | 13% | 25% |
Going Performance
Based on the 1146 most recent results stored in our database for this trainer.
Distance Performance
Based on the 1146 most recent results stored in our database for this trainer.
Course Specialists
Where this trainer wins most often (minimum 3 runners at a track).
Class Performance
Win rates by race class (1–7).
Seasonality
Monthly win rate across stored results.
Jockey Partnerships
Most successful retained jockeys (minimum 3 rides).
Owner Partnerships
Top owners sending horses to this trainer (minimum 2 runners).
Surface Split
Turf vs All-Weather strike rates.
AW
Runs
306
Wins
52
Win Rate
17%
Turf
Runs
840
Wins
90
Win Rate
11%
Flat vs Jumps
Separate stats for each racing code.
Runs
1115
Wins
141
Win %
13%
Place %
36%
Runs
31
Wins
1
Win %
3%
Place %
13%
Top Horses
Star horses ranked by career wins, then total prize money earned.
Biggest Wins
Most valuable victories from stored results.
Connolly's Red Mills Lowther Stakes (Fillies' Group 2)
Lucky Kristale (GB) · York · 22 Aug 2013
Clipper Handicap (Heritage Handicap)
Ropey Guest (GB) · York · 24 Aug 2023
Al Dana Wealth Management (Handicap) (Turf)
Young Mick (GB) · Nad Al Sheba (UAE) · 19 Feb 2009
Betfair Summer Double Second Leg Stakes (Heritage Handicap)
Imperial Guest (GB) · Goodwood · 25 Aug 2012
100,000 Tattersalls Millions Median Auction Trophy
Tamayuz Star (IRE) · Newmarket · 22 Sept 2012
Betfred Victoria Cup (Handicap)
Excellent Guest (GB) · Ascot · 11 May 2013
National Bank Of Dubai Cup (Heritage Handicap)
Young Mick (GB) · Ascot · 28 Jul 2006
Duchess Of Cambridge Stakes (Sponsored By Betfred) (Formerly The Cherry Hinton Stakes) (Fillies' Group 2)
Lucky Kristale (GB) · Newmarket (July) · 12 Jul 2013
Duke of Edinburgh Stakes (Heritage Handicap)
Young Mick (GB) · Ascot · 24 Jun 2006
Cumberland Lodge Stakes (Group 3)
Young Mick (GB) · Ascot · 24 Sept 2006
Market Performance
Starting prices of winners — average, extremes, and distribution.
Avg Winner SP
9.4/1
Shortest Winner
0.3/1
Biggest Winner
50/1
Winner SP Distribution
Age Performance
Win rates by horse age, based on the current stable roster.
Active Stable Roster — Top 50 by rating
Discussion
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