The Aga Khan Studs’ homebred Calandagan outdueled favored Masquerade Ball, becoming the first international shipper to prevail in 20 years.

Peter M. Brant’s Gezora didn’t get the opportunity to do herself justice in the Prix de l’Arc de Triomphe (G1), but she did capitalize on a much better scenario at Del Mar.

The Aga Khan Studs’ homebred Daryz willed his way past favored Minnie Hauk in the final yards of Sunday’s Prix de l’Arc de Triomphe (G1), furnishing a victory as poignant as it was history-making.

Favorites were overturned in all three trials for the Prix de l’Arc de Triomphe (G1) at ParisLongchamp on Sunday.

The Aga Khan Studs’ homebred Calandagan deployed his trademark turn of foot in a last-to-first performance in Saturday’s King George VI & Queen Elizabeth (G1) at Ascot.

In addition to Alpinista in the main event, British-trained horses captured two other Group 1s on Arc Day, and the French turned their own Group 1 triple in Breeders’ Cup Challenge races.

French champion Sealiway upstaged the principals in Saturday’s Champion S. (G1) at Ascot, and Baaeed toppled Palace Pier on an epic Champions Day for Shadwell.