Trained by Geoff Wragg, at age two Pentire's best result in a conditions race was a third in the Richmond Stakes.
At age three in 1995, the colt had an outstanding year that included twice beating the brilliant runner, Singspiel.
Pentire made seven starts, winning six and earning a strong second to Lammtarra in Britain's most prestigious all-age race, the Group one King George VI and Queen Elizabeth Diamond Stakes.
In 1996, Pentire came back to a dominating win in the King George VI and Queen Elizabeth Diamond Stakes and earned a Timeform rating of 132 for the second straight year.
Beginning in 2005, Pentire was the foundation sire at Rich Hill Stud, Walton, New Zealand.