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.
2026 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:
Why not use the trends shortlist below to help you narrow down the field and then head over to the dedicated Epsom tips page to see which runners are being supported by the OLBG expert racing tipsters to find yourself a bet? 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.
Best Horse Racing Betting Sites 2025
How competitive is the Diomed Stakes market? When looking at the over-rounds for the last 20 renewals, the most competitive market was in 2022 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.
Below you will find the 2026 Diomed Stakes Trends. See which patterns have occurred over the recent renewals that you may be able to use for the next renewal. We also have a section that looks at the Diomed Stakes Trend Analysis.
These are the top three quickest-run Diomed Stakes races 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
Looking at the future form, is the winner worth following next time out? Over the past 20 renewals, 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 their 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 2026 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. That runner won the race in a time of 1:37.25 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.
What the expert says...
Andy Powell - Horse Racing Betting Expert - OLBG.com
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 horse's trainer and the jockey at the time of winning the Diomed Stakes are also displayed, along with the starting price at which the horse was sent off.
| Year | Horse (Drawn) | Info |
|---|---|---|
| 2025 1:44.57 | Persica (IRE) 4yo 9-11 (7 of 8) 6/4F | Ryan Moore Richard Hannon (GB) |
| 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) |
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 28 placings from 138 runners
- IRE: 0 winners with an additional 0 placings from 4 runners
- GER: 0 winners with an additional 0 placings from 1 runner
2025 Diomed Stakes Replay
Diomed Stakes Trainer Statistics
There are multiple leading trainers in the Diomed Stakes over the last 20 renewals, with Andrew Balding, Sir Michael Stoute, Richard Hannon, and John Quinn having all won the race two times. Andrew Balding winners have been with Side Glance (2012) and Tullius (2016). Sir Michael Stoute winners have been with Zaaki (2019) and Regal Reality (2023). Richard Hannon winners have been with Oh This Is Us (2021) and Persica (2025). 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 | 8-2-5 | +0.38 | +0.11 |
| Richard Hannon | 7-2-3 | +14.50 | +8.65 |
| John Quinn | 2-2-2 | +10.00 | +6.10 |
| Marco Botti | 6-1-2 | +11.00 | +5.70 |
| Charlie Appleby | 6-1-4 | +1.50 | +1.53 |
| 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
There are two leading jockeys in the Diomed Stakes over the last 20 renewals, with both Ryan Moore and William Buick, who have both won the race three times. Ryan Moore winners have been with Zaaki (2019), Regal Reality (2023) and Persica (2025). William Buick winners have been with Bushman (2010), Gregorian (2013) and Century Dream (2018). Other jockeys who have recorded multiple wins in the Diomed Stakes are Frankie Dettori (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 |
|---|---|---|---|
| Ryan Moore | 13-3-8 | -2.12 | -0.81 |
| William Buick | 9-3-6 | +10.75 | +6.67 |
| Frankie Dettori | 12-2-8 | +0.00 | +2.28 |
| 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 |
| Oisin Murphy | 5-0-1 | -5.00 | -3.90 |
2026 Diomed Stakes Trends
Favourites finishing positions (oldest to latest): 3, 2, 2, 2, 7, 7, 4, (1, 4), 2, 1, 1, 5, 1, 1, 2, (2, 3), 3, 2, (3, 5), 1
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 (76%) - Held an OR of 96+ (Last Win)
- 20 / 20 (76%) - Highest Won is not G1/Cl2/Cl4-6
- 20 / 20 (76%) - Achieved a TS of 78+ (Going)
- 20 / 20 (77%) - Held an OR of 107+ (Career)
- 20 / 20 (80%) - Not in BRA/FRA/DEU/IRL/ITA/UAE (Last Win)
- 20 / 20 (80%) - Achieved a TS of 86+ (Non-Hcps)
- 20 / 20 (80%) - Had 2 - 11 wins (Non-Hcps)
- 20 / 20 (80%) - Achieved a TS of 93+ (Career)
- 20 / 20 (83%) - Had 5 - 33 placings (Career)
- 20 / 20 (85%) - Not in a Cl2-3 (LTO)
- 20 / 20 (85%) - Achieved an RPR of 96+ (Going)
- 20 / 20 (87%) - In a field of 3 - 14 (Last Win)
- 20 / 20 (88%) - Is not BRZ/FR/GER/ITY/USA bred
- 20 / 20 (89%) - Ran in 8 - 71 races (Career)
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. Did you know that we have an OLBG Betting School section on OLBG? It is a place to help you improve your betting experience with articles covering numerous topics.
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.
101 Ways to find Winners in Horse Racing
Diomed Stakes Trend Analysis
✅ The trend factor, which has produced 10+ winners and shows the best LSP, an LSP of +37.13, 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 0-32.
Here are the most recent winning draws, along with the further placings in brackets:
- 2025: Winner in 7 (1,2) [8 Runners]
- 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]
The course which has produced the most winners of the Diomed Stakes is Newbury; there have been a total of 3 winners of this race who ran at Newbury last time out.
The race is open to both sexes, with the Male runners having produced a total of 20 winners from a total of 140 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 (3 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 6 winning favourites in the race. Before placing your bet on the 2026 Diomed Stakes, head over to see which other runners today are being backed by the best racing tipsters.
Route to the Diomed Stakes
Many trainers will target races to use as prep races before coming to the Diomed Stakes, these are the races which the recent winners ran in before coming here:
| Info | Last Race |
|---|---|
| 2025 - Persica Newbury - 8th of 8 (23/1) | Lockinge Stakes |
| 2024 - Royal Scotsman Newbury - 9th of 10 (16/1) | Lockinge Stakes |
| 2023 - Regal Reality Newmarket (Rowley) - 4th of 5 (23/1) | Gordon Richards Stakes |
| 2022 - Megallan Chester - 3rd of 4 (5/6) | Huxley Stakes |
| 2021 - Oh This Is Us Windsor - 4th of 6 (23/1) | Racing Welfare Royal Windsor Stakes |
| 2020 - Century Dream Deauville - 5th of 14 (12/5) | Prix Lyphard |
| 2019 - Zaaki Ascot - 1st of 8 (9/1) | Ascot Shop Paradise Stakes |
| 2018 - Century Dream Ascot - 1st of 7 (5/2) | Celebrating The Commonwealth Paradise Stakes |
| 2017 - Sovereign Debt Sandown - 1st of 9 (9/2) | Sandown Mile |
| 2016 - Tullius Sandown - 5th of 7 (13/2) | Gordon Richards Stakes |
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.
James Banting
Tipster Competition Assistant
Andy Powell
Content Editor
Races Covered at the Epsom Derby Festival
Here is the 2026 schedule for the two-day Epsom Derby Festival, each race will be linked to the race blog, and details of last year's winner are in the table below.
Epsom Derby Festival races for Friday 5th June 2026
| Race | Last Winner | Info |
|---|---|---|
| Surrey Stakes | Formal (GB) 3yo - 9/4 | Andrew Balding Oisin Murphy |
| Woodcote Stakes | Maximized (GB) 2yo - 6/5 | Charlie Appleby William Buick |
| Coronation Cup | Jan Brueghel (IRE) 4yo - 100/30 | A P O'Brien Ryan Moore |
| Betfred Handicap | Ecureuil Secret (FR) 4yo - 28/1 | Richard Fahey Oisin Orr |
| Epsom Oaks | Minnie Hauk (IRE) 3yo - 9/2 | A P O'Brien Ryan Moore |
| Trustatrader Handicap | Mirsky (GB) 6yo - 9/4 | David O'Meara Oisin Murphy |
| Debenhams Handicap | Partisan Hero (IRE) 5yo - 7/2 | David Loughnane Silvestre De Sousa |
Epsom Derby Festival races for Saturday 6th June 2026
| Race | Last Winner | Info |
|---|---|---|
| Princess Elizabeth Stakes | Spiritual (IRE) 4yo - 9/1 | John & Thady Gosden Robert Havlin |
| Diomed Stakes | Persica (IRE) 4yo - 6/4 | Richard Hannon Ryan Moore |
| Epsom 3yo Dash | Stormy Impact (GB) 3yo - 7/1 | Richard Fahey Warren Fentiman |
| Epsom Dash | Jm Jungle (IRE) 5yo - 7/1 | John & Sean Quinn Jason Hart |
| Epsom Derby | Lambourn (IRE) 3yo - 13/2 | A P O'Brien Wayne Lordan |
| Northern Dancer Handicap | Small Fry (IRE) 4yo - 9/4 | Gary & Josh Moore Ashley Lewis |
| Lester Piggott Handicap | War Hawk (IRE) 3yo - 9/2 | Simon & Ed Crisford Jack Mitchell |
| JRA Tokyo Trophy Handicap | Sondad (GB) 4yo - 12/1 | Michael & David Easterby Joanna Mason |
