Diligent Harry
Foaled 2018 · by Due Diligence out of Harryana To (Compton Place)
Form 150/1144839 (latest on the right) · Flat · ran 6 Jan 21 – 3 Oct 26, last for Clive Cox · current OR 108
Group 3 won the JenningsBet Chipchase Stakes (Group 3) (2025)
Listed won the BetUK Kachy Stakes (Listed) (2024)
Listed won the BetUK Hever Sprint Stakes (Listed) (2024)
Listed won the Midnite Kachy Stakes (Listed) (2026)
Listed won the Midnite Hever Sprint Stakes (Listed) (2026)
| Date | Course & race | Trip | Going | Pos | OR | Jockey |
|---|---|---|---|---|---|---|
| 3 Oct 26 | Ascot Group 3John Guest Racing Bengough Stakes (Group 3) · Class 1 · 6f · Good To Firm | 6f | Good To Firm | 9/11 | 108 | Callum Shepherd |
| 19 Sep 26 | Newbury Group 3Dubai International Airport World Trophy Stakes (Group 3) · Class 1 · 5f · Good To Firm | 5f | Good To Firm | 3/11 | 109 | Ryan Moore |
| 27 Jun 26 | Newcastle (AW) Group 3JenningsBet Chipchase Stakes (Group 3) · Class 1 · 6f · Standard To Slow | 6f | Standard To Slow | 8/11 | 110 | Saffie Osborne |
| 13 May 26 | York Group 2Go Local Stores Minster Stakes (Group 2) · Class 1 · 6f · Good | 6f | Good | 4/13 | 110 | Rossa Ryan |
| 16 Apr 26 | Newmarket Group 3ZYN Abernant Stakes (Group 3) · Class 1 · 6f · Good | 6f | Good | 4/14 | 110 | Rossa Ryan |
| 21 Feb 26 | Lingfield (AW) ListedMidnite Hever Sprint Stakes (Listed) · Class 1 · 5f · Standard | 5f | Standard | 1/6 | 109 | Rossa Ryan |
| 31 Jan 26 | Lingfield (AW) ListedMidnite Kachy Stakes (Listed) · Class 1 · 6f1y · Standard | 6f1y | Standard | 1/8 | 107 | Rossa Ryan |
| 6 Sep 25 | Haydock Group 1Betfair Sprint Cup Stakes (Group 1) · Class 1 · 6f · Good | 6f | Good | 14/17 | 108 | Saffie Osborne |
| 19 Jul 25 | Newbury Group 3Hallgarten And Novum Wines Hackwood Stakes (Group 3) · Class 1 · 6f · Good To Firm | 6f | Good To Firm | 5/11 | 108 | Saffie Osborne |
| 28 Jun 25 | Newcastle (AW) Group 3JenningsBet Chipchase Stakes (Group 3) · Class 1 · 6f · Standard | 6f | Standard | 1/9 | 107 | Saffie Osborne |
| 18 Apr 25 | Newcastle (AW)BetUK All-Weather Sprint Handicap · Class 2 · 6f · Standard | 6f | Standard | 5/14 | 108 | Rossa Ryan |
| 6 Apr 25 | Southwell (AW)Weekly 5 Free Bet With BetUK Handicap · Class 2 · 6f16y · Standard | 6f16y | Standard | 3/11 | 108 | Rossa Ryan |
Due Diligence as a stallion
In our records: 195 runners, 92 winners (47%), 5 black-type winners, 4 more placed in black type. Runners foaled 2017–2024.
On the track himself: 10 runs, 3 wins — Listed winner (Lacken Stakes (listed)).
His best
Folgaria Group 2 OR 105 · Diligent Harry Group 3 OR 113 · Good Vibes Group 3 OR 103 · Streamline Group 3 OR 100 · Sir Boris Listed OR 90 · Sommelier bt OR 99
The dam: Harryana To by Compton Place
She ran 5 times and won 0, best OR 58. Dam of 3 winners from 8 other runners.
Temple Meads Group 2 out of the 2nd dam, by Avonbridge
Harry Three Listed half-sibling, by Adaay
Sneak Preview bt out of the 2nd dam, by Monsieur Bond
The dam’s other foals
| Horse | Runs | Wins | Best |
|---|---|---|---|
| Bintaryana (GB) 2023 filly · by Showcasing | 9 | 3 | OR 83 |
| Due Date (GB) 2020 gelding · by Due Diligence (full sibling) | 55 | 9 | OR 70 |
| Harry Three (GB) Listed 2019 gelding · by Adaay | 15 | 5 | OR 110 |
| Vardon Flyer (GB) 2017 gelding · by Fountain Of Youth | 14 | 0 | OR 81 |
| Amoreena (GB) 2016 filly · by Swiss Spirit | 7 | 0 | OR 68 |
| Yamuna River (GB) 2015 filly · by Foxwedge | 22 | 0 | OR 100 |
| Delahay (GB) 2014 filly · by Delegator | 9 | 0 | OR 53 |
| Harryana's Secret (GB) 2013 filly · by Sakhee's Secret | 6 | 0 | OR 53 |
Diligent Harry in the sale ring
| Sale | Result | Bought by | Sold by |
|---|---|---|---|
| 2019 Goffs UK SilverLot 602 · as a yearling | £38,000Clive Cox Racing | Clive Cox Racing | Whitsbury Manor Stud |
The family at the sales — out of the same dam
| Foal | Sale | Result |
|---|---|---|
| 2024 colt by Havana Grey | 2025 Tattersalls October, Book 2Lot 860 · yearling | 210,000gnsStroud Coleman Bloodstock |
| Bintaryana2023 filly by Showcasing | 2024 Tattersalls October, Book 2Lot 803 · yearling | 160,000gnsRichard Knight / Salhia Stud |
| Harry Three2019 gelding by Adaay | 2024 Tattersalls Autumn HITLot 972 · in training | 28,000gnsClive Cox Racing |
| Due Date2020 gelding by Due Diligence | 2023 Tattersalls JulyLot 322 · in training | 13,500gnsHurworth Bloodstock |
| Due Date2020 colt by Due Diligence | 2021 Goffs UK PremierLot 154 · yearling | £55,000Clive Cox Racing Ltd |
| Vardon Flyer2017 gelding by Fountain of Youth | 2020 Tattersalls Autumn HITLot 194 · in training | 4,000gnsSam England |
| Vardon Flyer2017 colt by Fountain of Youth | 2018 Goffs February SaleLot 327 · yearling | €5,500Grovewood Stud (PS) |
| Vardon Flyer2017 colt by Fountain of Youth | 2018 Goffs UK SilverLot 667 · yearling | £15,000David Easterby |
| Amoreena2016 filly by Swiss Spirit | 2018 Tattersalls Autumn HITLot 1572 · in training | 2,500gnsVivien Baracskai |
| Yamuna River2015 filly by Foxwedge | 2016 Tattersalls October, Book 3Lot 1636 · yearling | 22,000gnsRabbah Bloodstock |
| Delahay2014 filly by Delegator | 2015 Tattersalls October, Book 3Lot 1925 · yearling | Bought back |
| Harryana's Secret2013 filly by Sakhee's Secret | 2015 Tattersalls Autumn HITLot 1330 · in training | 1,500gnsArmando Duarte |
| Delahay2014 filly by Delegator | 2014 Tattersalls December FoalsLot 391 · foal | Not sold |
| Harryana's Secret2013 filly by Sakhee's Secret | 2014 Tattersalls October, Book 3Lot 1805 · yearling | 10,000gnsTim Easterby |
| Harryana's Secret2013 filly by Sakhee's Secret | 2013 Tattersalls December FoalsLot 379 · foal | Not sold |
From our racing database: every British and Irish result since 2005, and every Goffs, Tattersalls, Tattersalls Ireland and Arqana sale 2005 – 2026. Linked by the seller — always check the passport matches.