| Name | Last Run |
|---|---|
| Massuri | Mackay, 04-Sep-14 |
| Mastars | Senonnes-Pouance, 15-Mar-25 |
| Mastastroque | Cork, 21-May-25 |
| Master | Mahoning Valley, 12-Nov-24 |
| MASTER ABLE | |
| Master Abraham | Ascot Park, 12-May-24 |
| Master Adam | Seymour, 15-Nov-24 |
| Master Al | Wangaratta, 05-Mar-17 |
| Master Alan | Launceston, 25-Nov-10 |
| Master Alex | Geraldton, 23-Oct-25 |
| Master Angus | Strathalbyn, 27-Apr-11 |
| Master Aragorn | Woodbine, 02-Sep-24 |
| Master Archie | Turffontein, 01-Apr-23 |
| Master Ariano | Turffontein, 12-Jul-25 |
| Master Artist | Grafton, 26-Aug-25 |
| Master At Arms | Morphettville, 10-Mar-25 |
| MASTER AT ARMS | |
| Master Australia | Fontwell, 26-Dec-22 |
| Master Bamb | Monterrico, 02-Apr-23 |
| Master Barista | Seymour, 18-Jul-15 |
| Master Bartholdi | Sportsbet-Pakenham, 16-Nov-23 |
| Master Ben | Armidale, 13-Apr-09 |
| MASTER BENBARA | |
| Master Bet | San Isidro, 09-Dec-24 |
| Master Blaster | Auteuil, 07-Oct-25 |
| Master Blaze | Leicester, 28-Dec-22 |
| Master Blonde | Devonport Tapeta Synthetic, 15-Jul-12 |
| Master Bob | Balnarring, 12-Apr-25 |
| Master Bomber | Scottsville, 24-Aug-25 |
| Master Breffni | Carlisle, 10-Mar-25 |
| Master Bricklayer | Perth, 15-May-25 |
| Master Brutus | Te Rapa, 08-Feb-25 |
| Master Buddha | Narrogin, 30-Mar-25 |
| Master Builder | Goodwood, 02-Aug-25 |
| Master Cap | San Isidro, 07-Dec-23 |
| Master Casper | Vaal, 22-May-25 |
| Master Cat | Alice Springs, 02-May-15 |
| Master Cath | Marseille-borely, 15-Sep-25 |
| Master Celebre | Concepcion, 05-Feb-25 |
| Master Celebre | Laurel Park, 03-Oct-25 |
| Master Champion | Sha Tin, 18-May-25 |
| Master Champion | Happy Valley, 22-Oct-25 |
| Master Charlie | Murray Bdge, 13-Aug-25 |
| Master Chartwell | Lingfield, 14-Feb-24 |
| Master Chevy | Ipswich, 05-Apr-13 |
| Master Chewy | Aintree, 26-Oct-25 |
| Master Chief Mike | Kentucky Downs, 05-Sep-25 |
| Master Christmas | Vaal, 02-Sep-25 |
| Master Chum | Morphettville Parks, 01-Oct-22 |
| Master Clette | San Isidro, 29-Jul-23 |
| Master Cocktail | San Isidro, 28-May-23 |
| Master Controller | Ellis Park, 11-Aug-25 |
| Master Copy | Doomben, 01-Apr-25 |
| Master Cramsie | Moree, 06-Sep-20 |
| Master Curita | Monterrico, 29-Oct-23 |
| Master D'autan | Clairefontaine, 30-Jun-25 |
| Master D'oc | Auteuil, 17-Mar-24 |
| Master da Vinci | Launceston, 21-Nov-18 |
| Master Dancer | Uttoxeter, 16-Sep-25 |
| Master Dandy | Lingfield, 27-Oct-25 |