| Show Records for Pyrenean Mountain Dogs - 1958 |
| Date | Show | Type | Judge |
| 08-Feb | Crufts | (Championship Show) | Miss H Loughrey |
| 20-Mar | Manchester | (Championship Show) | Mr G Trueman-Hewitt |
| 26-Apr | WELKS | (Championship Show) | Jean Harper Trois-Fontaines |
| 05-Jun | Cheshire | (Championship Show) | Capt S Bower |
| 12-Jun | Three Counties | (Championship Show) | Bill Siggers |
| 28-Jun | Windsor | (Championship Show) | Enid Nicholls |
| 06-Sep | City of Birmingham | (Championship Show) | Mr T Corbett |
| 11-Oct | Richmond | (Championship Show) | Cicely Bishop |
| 29-Oct | LKA | (Championship Show) | George Robson |
| 08-Nov | Birmingham National | (Championship Show) | Mrs C Barber |