| Equid | Horse Name ▲ | Breed | Age | Gender | Color | Discipline | Owner |
|---|---|---|---|---|---|---|---|
| 118915C | Maid Of Silver | Shire | SY15 (13yo) | Mare | Grey | DV | Manders |
| 128317C | Mailadh | Irish Draught | SY17 (11yo) | Mare | Black | DG | Morrigan |
| 031418C | Maitake | Oldenburg | SY18 (10yo) | Mare | Black | DG | Lorelei |
| 509522B | Maius | Irish Sport Horse | SY22 (6yo) | Stallion | Palomino White-Spotted | EV | Merry |
| 377117C | Majesteit SW | Dutch Harness Horse | SY17 (11yo) | Stallion | Chestnut | SS | Haley |
| 519826C | Majestic 12 | Thoroughbred | SY26 (2yo) | Mare | Grey | FR | Morrigan |
| 310516C | Majestic Cliffs | Irish Draught | SY16 (12yo) | Stallion | Grey | EV | Jewel |
| 520226C | Majic Eyes Only | Paint Horse | SY26 (2yo) | Mare | Grey Tobiano | SR | Morrigan |
| 188116C | Major Arcana | Holsteiner | SY16 (12yo) | Mare | Chestnut | EV | The Orchard |
| 216315S | Makin Pappy Happy | American Mustang | SY15 (13yo) | Mare | Red Roan | WD | Manders |
| 493322B | Makin Time Skye | Selle Francais | SY22 (6yo) | Stallion | Black | JP | Rhianon |
| 121821C | Making History | Thoroughbred | SY19 (9yo) | Mare | Grey | EV | Lissa |
| 270122B | Making Illusions | Thoroughbred | SY22 (6yo) | Mare | Grey Overo | FR | Lissa |
| 288119C | Makya | American Mustang | SY19 (9yo) | Stallion | Bay Tobiano | TC | Morrigan |
| 431323C | Malak Al Bahr | Arabian | SY23 (5yo) | Mare | Grey | AR | Lissa |
| 217422B | Malicious Kisses | Appaloosa | SY22 (6yo) | Stallion | Bay Snowcap | SR | Lissa |
| 519126C | Mall Goth | Thoroughbred | SY26 (2yo) | Stallion | Black Sabino | FR | Morrigan |
| 310121B | Maltese Cross | Swedish Warmblood | SY21 (7yo) | Stallion | Bay | JP | Soleil |
| 175811C | Mama Roach | Appaloosa | SY11 (17yo) | Mare | Blue Roan Blanket | WS | Lissa |
| 127111C | Mama Warned You | Suffolk Punch | SY11 (17yo) | Mare | Flaxen Chestnut | DV | Lissa |
| 460624C | Man Hez Mean | Quarter Horse | SY24 (4yo) | Stallion | Bay | SR | Morrigan |
| 124421C | Mandersdidit | Thoroughbred | SY21 (7yo) | Stallion | Bay | JP | Merry |
| 121013C | Mane Attraction | Thoroughbred | SY13 (15yo) | Mare | Flaxen Chestnut | EV | Lissa |
| 267722B | Mane Problem | Thoroughbred | SY22 (6yo) | Mare | Flaxen Chestnut Sabino | FR | Lissa |
| 478825B | Mangetout SE | Selle Francais | SY25 (3yo) | Mare | Brown | EV | Lorelei |
