He was one of the best European two-year-olds in 2021 when he was unbeaten in three races, including the Beresford Stakes in Ireland and the Group One Vertem Futurity Trophy in England.

He is owned by the Coolmore partners Susan Magnier, Michael Tabor and Derrick Smith in partnership with Georg von Opel.

[3] Luxembourg's dam Attire showed little racing ability, failing to win in seven attempts,[4] but did better as a broodmare, producing the Mooresbridge Stakes winner Leo de Fury.

[5] Luxembourg's first race was over one mile at Killarney Racecourse on 14 July when he was ridden by Michael Hussey and started the 5/2 favourite in an eight-runner field.

[6] Seamie Heffernan took the ride when the colt was stepped up in class and went off the 8/13 favourite for the Group 2 Beresford Stakes over the same distance at the Curragh on 25 September.

"[8] For his final race of the season, Luxembourg was sent to England for the Group 1 Vertem Futurity Trophy over one mile on soft ground at Doncaster Racecourse on 23 October.

Ridden by Ryan Moore, he raced in mid-division as Royal Patronage set the pace, before gaining the advantage entering the last quarter mile.