Horse Racing stats man, Andy has contributed to OLBG for 18 years - An Ipswich fan and F1 fanatic, he also contributes EFL football and Motor Sport opinion.
2025 Diomed Stakes Preview
Scheduled to take place in June of each year at the Epsom racecourse is the Diomed Stakes, a race which takes place on the same day as the Epsom Derby and is named after the first-ever Derby winner, Diomed.
This Group 3 race is contested over a distance of one mile and a half a furlong where runners aged three or older can enter.
Diomed Stakes Information:
We also have a dedicated Epsom tips page that will cover this race as well as all of the other races on the day of the race, see which runners the OLBG racing tipsters are predicting to win this race and the others on the cards. You may also be interested in other preview blogs that we have packed full of information, head down to the Races Covered at the Epsom Derby Festival section for links to these.
How competitive is the Diomed Stakes market? When looking at the over-rounds for the last 20 renewals, the most competitive market was in 2005 when the race had an over-round of 109%. The race in 2010 was a race that was most in the bookie's favour with an over-round of 116%, whilst on average over the last 20 renewals of the Diomed Stakes, the over-round has been 113%, which means the bookie expects to pay out £100 for every £113 which is bet.
Diomed Stakes Trends:
Looking at the future form, is the winner worth following next time out? From the past 20 if you had followed the winner of the Diomed Stakes next time out then you would have backed a total of 2 winners. Backing all 18 runners who have been out since to win at SP next time out, would have returned an LSP of -12.50. Remember to use the racing predictions along with the information on this page to find a bet on the 2025 Diomed Stakes.
Over the last 20 renewals, it was Century Dream, trained by Simon & Ed Crisford and ridden by James Doyle who set the fastest winning time in the Diomed Stakes, the runner won the race in a time of 1:37.25 when winning the race in 2020. At the other end of the scale, it was the combination of trainer John Gosden and jockey William Buick with Gregorian who set the slowest winning time, the race-winning time was 1:48.68 in the 2013 renewal.
These are the top three quickest-run Diomed Stakes over the last 20 renewals:
- Century Dream (1:37.25) in 2020
- Zaaki (1:40.46) in 2019
- French Navy (1:41.71) in 2014
Diomed Stakes Past Winners
Here are the Diomed Stakes past winners for the last 10 renewals. Each row details the year of the race, the horse which won along with the age & weight of the horse. Also detailed is the stall where the horse came from and the total number of runners in the race. The trainer of the horse at the time of winning the Diomed Stakes as well as the jockey is also displayed along with the starting price the horse was sent off.
| Year | Horse (Drawn) | Info |
|---|---|---|
| 2024 1:45.31 | Royal Scotsman (IRE) 4yo 9-8 (5 of 8) 17/2 | Jamie Spencer Paul & Oliver Cole (GB) |
| 2023 1:43.56 | Regal Reality (GB) 8yo 9-8 (6 of 6) 5/1 | Ryan Moore Sir Michael Stoute (GB) |
| 2022 1:43.41 | Megallan (GB) 4yo 9-8 (2 of 6) 9/2 | Frankie Dettori John & Thady Gosden (GB) |
| 2021 1:47.31 | Oh This Is Us (IRE) 8yo 9-6 (1 of 7) 18/1 | Tom Marquand Richard Hannon (GB) |
| 2020 1:37.25 | Century Dream (IRE) 6yo 9-9 (3 of 8) 5/1 | James Doyle Simon & Ed Crisford (GB) |
| 2019 1:40.46 | Zaaki (GB) 4yo 9-6 (2 of 6) 11/8F | Ryan Moore Sir Michael Stoute (GB) |
| 2018 1:43.57 | Century Dream (IRE) 4yo 9-6 (1 of 7) 11/4F | William Buick Simon Crisford (GB) |
| 2017 1:42.61 | Sovereign Debt (IRE) 8yo 9-10 (2 of 7) 4/1 | James Sullivan Ruth Carr (GB) |
| 2016 1:47.90 | Tullius (IRE) 8yo 9-5 (1 of 7) 5/2F | Jimmy Fortune Andrew Balding (GB) |
| 2015 1:43.09 | Arod (IRE) 4yo 9-5 (6 of 7) 7/4F | Andrea Atzeni Peter Chapple-Hyam (GB) |
Where have the winning runners come from?
Here are the countries where the winning trainers of the Diomed Stakes have been based:
- GB: 20 winners with an additional 27 placings from 138 runners
- IRE: 0 winners with an additional 0 placings from 4 runners
Diomed Stakes Trainer Statistics
There are multiple leading trainers in the Diomed Stakes over the last 20 renewals with Andrew Balding, Sir Michael Stoute and John Quinn having all won the race two times. Andrew Balding's winners have been with Side Glance (2012) and Tullius (2016). Sir Michael Stoute winners have been with Zaaki (2019) and Regal Reality (2023). John Quinn winners have been with Blythe Knight (2007 & 2008).
Here are some of the top Diomed Stakes trainer statistics over the last 20 renewals (R = Runners, W = Winners, P = Places including winners, Win LSP is based on 1pt Win and EW LSP is based on 0.5pt Win & 0.5pt Place):
| Trainer | R-W-P | Win | EW |
|---|---|---|---|
| Andrew Balding | 9-2-2 | -0.50 | -2.94 |
| Sir Michael Stoute | 9-2-5 | -0.62 | -0.89 |
| John Quinn | 2-2-2 | +10.00 | +6.10 |
| Richard Hannon | 6-1-2 | +13.00 | +7.75 |
| Charlie Appleby | 6-1-4 | +1.50 | +1.53 |
| Marco Botti | 5-1-2 | +12.00 | +6.70 |
| David Simcock | 4-1-1 | +8.00 | +3.60 |
| John Gosden | 4-1-2 | +0.00 | -0.48 |
| Simon & Ed Crisford | 3-1-2 | +3.00 | +1.75 |
| Ruth Carr | 3-1-1 | +2.00 | +0.50 |
Diomed Stakes Jockey Statistics
The leading jockey in the Diomed Stakes over the last 20 renewals is William Buick who has won the race three times with those three winners coming from Bushman (2010), Gregorian (2013) and Century Dream (2018). Other jockeys who have recorded multiple wins in the Diomed Stakes are Frankie Dettori (2 wins), Ryan Moore (2 wins) and Adam Kirby (2 wins).
Here are some of the top Diomed Stakes jockey statistics over the last 20 renewals (R = Runners, W = Winners, P = Places including winners, Win LSP is based on 1pt Win and EW LSP is based on 0.5pt Win & 0.5pt Place):
| Jockey | R-W-P | Win | EW |
|---|---|---|---|
| William Buick | 9-3-6 | +10.75 | +6.67 |
| Frankie Dettori | 13-2-8 | -1.00 | +1.28 |
| Ryan Moore | 13-2-8 | -4.62 | -1.87 |
| Adam Kirby | 3-2-2 | +21.50 | +12.66 |
| James Doyle | 6-1-2 | +0.00 | -1.25 |
| Jamie Spencer | 5-1-1 | +4.50 | +1.10 |
| Andrea Atzeni | 5-1-2 | -2.25 | -1.97 |
| Tom Marquand | 3-1-2 | +16.00 | +10.75 |
| James Sullivan | 2-1-1 | +3.00 | +1.50 |
| Silvestre De Sousa | 5-0-0 | -5.00 | -5.00 |
2025 Diomed Stakes Trends
Favourites finishing positions (oldest to latest): 4, 3, 2, 2, 2, 7, 7, 4, (1, 4), 2, 1, 1, 5, 1, 1, 2, (2, 3), 3, 2, (3, 5)
The percentage shown is the percentage of the total number of runners who fell under that factor. High percentages are less appealing than lower ones as you would expect them to do well.
- 20 / 20 (73%) - Achieved an RPR of 112+ (Career)
- 20 / 20 (75%) - Highest Won is not G1/Cl2/Cl4-6
- 20 / 20 (77%) - Held an OR of 96+ (Last Win)
- 20 / 20 (77%) - Held an OR of 107+ (Career)
- 20 / 20 (77%) - Achieved a TS of 78+ (Going)
- 20 / 20 (80%) - Not in BRA/FRA/DEU/IRL/ITA/UAE (Last Win)
- 20 / 20 (81%) - Achieved a TS of 86+ (Non-Hcps)
- 20 / 20 (81%) - Had 2 - 11 wins (Non-Hcps)
- 20 / 20 (82%) - Had 5 - 33 placings (Career)
- 20 / 20 (82%) - Achieved a TS of 93+ (Career)
- 20 / 20 (84%) - Achieved an RPR of 96+ (Going)
- 20 / 20 (88%) - In a field of 3 - 14 (Last Win)
- 20 / 20 (88%) - Ran in 8 - 71 races (Career)
- 20 / 20 (89%) - Highest Placed is not Cl2/Cl4
- 20 / 20 (89%) - Is not BRZ/FR/GER/ITY/SAF/USA bred
Remember to use the trends listed above along with the Epsom racing predictions to see if you can find the winner of the Diomed Stakes. If you are looking to place on a bet this race well in advance of the actual running, then there may be an ante-post market available for you to place your bet. If you are unfamiliar with this type of betting then head over to the OLBG Betting School and read our Ante-Post Horse Racing article which explains how ante-post betting works.
Are you already a member? If not, then why not? With over £6,000 given away each month in the tipster competition, why not get involved? Remember, It is completely FREE! So, head over to the registration page to sign up today! If you are already a member, then share your thoughts on the Diomed Stakes by adding a tip on the race here.
Diomed Stakes Trend Analysis
The trend factor which had produced 10+ winners and shows the best LSP, an LSP of +40.13 is when runners ran in a Class 1 (Listed) last time out. The worst performing factor that has failed to produce a single winner is when runners had 0 career places on the going, when backing these the trend shows a record of 0-30.
Here are the most recent winning draws along with the further placings in brackets:
- 2024: Winner in 5 (6,1) [8 Runners]
- 2023: Winner in 6 (5) [6 Runners]
- 2022: Winner in 2 (5) [6 Runners]
- 2021: Winner in 1 (8) [7 Runners]
- 2020: Winner in 3 (4,8) [8 Runners]
The courses that have produced the most winners of the Diomed Stakes are Newbury, Newmarket (Rowley), Ascot, Goodwood, York, Windsor, Sandown and Kempton (AW), there has been a total number of 2 winners from each of those courses.
The race is open to both sexes with the Male runners having produced a total of 20 winners from a total of 139 runners whilst the Female runners have produced 0 winners from a total of 3 runners.
Looking over the past renewals, these are the stallions whose offspring have produced multiple winners of the Diomed Stakes:
- Cape Cross (4 Wins)
- Selkirk (2 Wins)
Looking at the winning odds over the last 20 renewals, the biggest-priced winner was Oh This Is Us in 2021, winning for Richard Hannon at odds of 18/1 under the guidance of Tom Marquand. Looking at the runners at the head of the market over the last 20 renewals there have been 5 winning favourites in the race. Before placing your bet on the 2025 Diomed Stakes head over to see which other runners today are being backed by the best racing tipsters today.
Races Covered at the Epsom Derby Festival
Here is the 2025 schedule for the two-day Epsom Derby Festival, each race will be linked to the race blog and detail last year's winner in the table below.
Epsom Derby Festival races for Friday 6th June 2025
| Race | Last Winner | Info |
|---|---|---|
| 14:00 Woodcote Stakes | Teej A (IRE) 2yo - 7/2 | K R Burke Clifford Lee |
| 14:35 Trustatrader Handicap | Two Tempting (IRE) 5yo - 12/1 | Jonathan Portman David Egan |
| 15:10 Coronation Cup | Luxembourg (IRE) 5yo - 9/4 | A P OBrien Ryan Moore |
| 15:45 Betfred Handicap | Bolster (GB) 4yo - 5/1 | K R Burke Pierre-Louis Jamin |
| 16:30 Epsom Oaks | Ezeliya (FR) 3yo - 13/2 | D K Weld Chris Hayes |
| 17:10 Surrey Stakes | Evade (FR) 3yo - 10/1 | Archie Watson Oisin Murphy |
| 17:40 Tattenham Handicap | Rhoscolyn (GB) 6yo - 9/1 | David OMeara James Doyle |
Epsom Derby Festival races for Saturday 7th June 2025
| Race | Last Winner | Info |
|---|---|---|
| 13:25 Lester Piggott Handicap | Persica (IRE) 3yo - 9/2 | Richard Hannon Sean Levey |
| 14:00 Princess Elizabeth Stakes | Breege (GB) 4yo - 5/1 | John & Sean Quinn Jason Hart |
| 14:35 Diomed Stakes | Royal Scotsman (IRE) 4yo - 17/2 | Paul & Oliver Cole Jamie Spencer |
| 15:10 Epsom 3yo Dash | Blue Storm (GB) 3yo - 8/1 | Gemma Tutty Rossa Ryan |
| 15:45 Epsom Dash | Dream Composer (FR) 6yo - 6/1 | James Evans Joe Leavy |
| 16:30 Epsom Derby | City Of Troy (USA) 3yo - 3/1 | A P OBrien Ryan Moore |
| 17:15 Northern Dancer Handicap | Relentless Voyager (GB) 4yo - 7/1 | Andrew Balding Oisin Murphy |
| 17:50 JRA Tokyo Trophy Handicap | Misty Grey (IRE) 7yo - 7/1 | David OMeara Rossa Ryan |
Article Contributor Information
We are blessed with an excellent team of specialists and experts at OLBG. Contributing to creating and maintaining this Diomed Stakes Preview are at hand, Andy and James. They both work on the Horse racing tips team team looking after the tipsters and managing the tips settlement, whilst also creating and managing all of the horse racing event previews for Flat Racing.
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