“I sold my two main grand prix horses earlier in the circuit, so he had to really step up," said Saïd of his winning mount.
The pair notched their second personal best score of the season with a 74.478%, almost four points higher than the second-place finisher.
The Canadians couldn't catch the US riders; Lindsay Kellock and Sebastien came the closest with a 4th-place finish in the GP for Special.
The German keeps racking up the wins, this time aboard Scuderia 1918 Tobago Z; top Canadian was Mario Deslauriers, 11th with Bardolina 2.
Two Canadians were top-10: Mario Deslauriers and Bardolina (7th) and Eric Lamaze with Dieu Merci Van T & L (10th).
The pair's second victory at WEF Week 3 nets the American another nice payday; 2nd-place Spencer Smith rides a mare from Eric Lamaze's barn.
This time the Irish rider takes the $6,000 1.45m Jumper class with Sweet Tricia; top Canadian is Tiffany Foster and Hamilton, who placed 7th.
Molly Ashe Cawley (USA) and Berdien captured the win in the 1.50m class at WEF; Canada's Vanessa Mannix was 6th aboard Catinka 25.
The US rider soared to the top in the $37,000 Adequan CSI3* aboard Agana Van Het Gerendal Z; Canada's Eric Lamaze was 5th with Fine Lady 5.
“The horses are fresh ... They feel like they got a year younger with a year off," said the Olympic gold medalist following his win.