| Name | Last Run |
|---|---|
| Ishizue | Kasamatsu, 20-Jun-24 |
| Ishkur | Belmont, 29-Oct-25 |
| Isholo Du Vivien | Stratford, 08-Sep-24 |
| Ishotthedeputy | Birdsville, 06-Sep-25 |
| Ishouldbesolucky | TRIAL Deagon, 01-Nov-21 |
| Ishraq | Amiens, 14-Nov-23 |
| Ishshah | Moruya, 04-Apr-15 |
| Ishtar | Marseille, 05-Jan-24 |
| Ishtar | Tokyo, 24-Jun-23 |
| Ishtar Gate | Saga, 22-Sep-24 |
| Isi Rimout | Palermo, 12-Nov-23 |
| Isian | Valparaiso Sporting Club, 26-Sep-24 |
| Isibaeva | Launceston, 03-Dec-14 |
| Isida Du Plessis | Angers, 11-Sep-25 |
| Isidora Mia | Hipodromo Chile, 23-Mar-25 |
| Isidoro | Monterrico, 18-Jun-23 |
| Isikwishikwishi | Greyville, 19-Oct-25 |
| Isilane | Mont De Marsan, 02-Mar-25 |
| Isildur | Singapore, 06-May-23 |
| Isildur | Matamata, 07-Jun-23 |
| Isilmo | Townsville, 20-Jan-21 |
| ISINPURSUIT | Ascot, 01-Dec-10 |
| Isiphekepheke | Kenilworth, 13-Jan-24 |
| Isiphetho | Greyville, 27-Feb-23 |
| Isiphithiphithi | Greyville, 17-Nov-24 |
| Isiqalaba | Scottsville, 25-Aug-24 |
| Isis Amber | Rockhampton, 10-Jun-17 |
| Isis Carmella | Rockhampton, 28-Apr-24 |
| Isis Cowboy | Rockhampton, 28-May-15 |
| Isis D'inor | Saint-Cloud, 02-Sep-25 |
| Isis De La Ferme | Le Mans, 04-Oct-23 |
| Isis Devil | Doomben, 30-Nov-13 |
| Isis Husson | Townsville, 06-Mar-18 |
| Isis Magic | Rockhampton, 19-Sep-19 |
| Isis Miller | Yeppoon, 23-Jul-19 |
| ISIS RED ROSE | |
| Isisdelagarde | Bordeaux Le Bouscat, 14-Oct-25 |
| Isivivane | Greyville, 01-Nov-25 |
| Isivunguvungu | Colonial Downs, 10-Aug-25 |
| Isiwood | Dieppe, 01-Sep-25 |
| Iskandar | Le Touquet, 28-Jul-23 |
| Iskandar | Nagoya, 02-Sep-25 |
| Iskandar Pecos | Stratford, 01-Jun-24 |
| Iskandara | Dax, 26-Jun-23 |
| Iskander | Wyong, 09-Apr-20 |
| Iskar D'airy | Fakenham, 30-Oct-25 |
| Iskender | San Isidro, 24-Apr-25 |
| Iskia Biboulet | Pau, 24-Mar-24 |
| Iskios | Tokyo, 02-Feb-25 |
| Iskra | Devonport Tapeta Synthetic, 02-Jul-23 |
| Isla | Gosford, 02-Feb-23 |
| Isla Anhelo | Nakayama, 14-Sep-25 |
| Isla Azul | Sonoda, 06-Nov-25 |
| Isla Bella | Redcar, 27-Oct-25 |
| Isla Bella | San Isidro, 26-May-24 |
| Isla Bonita | Mountaineer, 12-Jun-23 |
| Isla Brisa | Kasamatsu, 02-Aug-23 |
| Isla Choel | San Isidro, 08-Aug-24 |
| Isla Columbretes | Deauville, 02-Aug-24 |
| Isla Corazon | Niigata, 19-Oct-25 |