| IRONSTEIN | Grafton,
10-Jul-14 |
| Ironstone | Woodbine,
05-May-25 |
| Ironstone Gal | Kilcoy,
02-Jul-23 |
| Irontail | Fairview,
27-Aug-24 |
| Ironton | Caulfield,
05-Apr-25 |
| Ironwill | Brighton,
01-Sep-25 |
| Ironwoman | Northam,
06-Sep-12 |
| Ironwood | Hawera,
04-Aug-24 |
| Ironworks | Kanazawa,
08-Aug-23 |
| Irony | Woodbine,
23-Jun-23 |
| Iroquai | Morphettville,
04-Oct-25 |
| Iros Du Goutier | Cagnes-sur-Mer,
24-Aug-23 |
| Irradiance | Goulburn,
08-Apr-25 |
| Irrational | Hipodromo Chile,
05-Nov-23 |
| Irredentist | Dundalk,
16-Dec-23 |
| Irrefutable | Nowra,
15-Jan-13 |
| Irrefutable | Golden State Racing,
19-Dec-24 |
| Irrefutably | Bendigo,
28-Aug-25 |
| Irregular | Saga,
22-Mar-25 |
| Irregular Warfare | Wolverhampton,
08-Nov-22 |
| Irregularity | Wyong,
20-Mar-24 |
| Irrelevant | Brighton,
13-Apr-25 |
| Irrelevant | Belmont At The Big A,
06-Oct-25 |
| Irreproachable | Swan Hill,
07-Jun-15 |
| Irresistabella | Balaklava,
04-Jun-25 |
| Irresistable | Ludlow,
30-Nov-22 |
| Irresistabull | Moranbah,
05-Nov-22 |
| Irresistible Force | Innisfail,
14-Dec-24 |
| Irresistible Force | Wolverhampton,
18-Nov-23 |
| Irresistible Force | Santa Anita,
27-Oct-24 |
| Irresistible Miss | Royal Randwick,
28-May-22 |
| Irresistible Sir | Bairnsdale,
12-Aug-25 |
| Irresistible You | Musselburgh,
30-Aug-23 |
| Irresistibles | Nantes,
01-Jun-23 |
| Irreverence | Goulburn,
05-Oct-10 |
| Irreverencieux | Strasbourg,
12-Jun-23 |
| Irreverent | Sandown Hillside,
10-Sep-25 |
| IRREVERSIBLE | |
| IRREVOCABLE | |
| Irrevocable Dream | Vaal,
24-Nov-22 |
| Irrewarra Gem | Albury,
01-Feb-24 |
| Irrigate | Te Aroha,
31-Aug-25 |
| Irrigator | Gold Coast Poly,
10-Feb-24 |
| Irritable Rodnee | Leonora,
12-Oct-24 |
| Irrupt | Rockhampton,
03-Aug-21 |
| Irtiqaa | Saratoga,
22-Aug-25 |
| Irtych | Saint-Cloud,
02-Sep-25 |
| Irtysh | Mombetsu,
18-Jul-24 |
| Irukanda | Hanshin,
13-Sep-25 |
| Irukandji | Eagle Farm,
08-Oct-22 |
| Irun | Echuca,
23-Jun-14 |
| Irun Lord | Saint-Malo,
01-Aug-25 |
| Irun Pontadour | Pau,
06-Nov-23 |
| Irundo | Strasbourg,
15-Sep-24 |
| Irunthiscity | Murray Bridge GH,
24-Dec-22 |
| Irv | Newcastle,
30-Aug-25 |
| Irving Again | Benalla,
19-Jan-25 |
| Irvington | Gunnedah,
07-Jul-17 |
| Irwani | Philadelphia Park,
26-Nov-24 |
| Irwin | Saratoga,
28-Aug-25 |