The grey Tapit colt won a long stretch battle with Hot Rod Charlie to give his sire a record-tying fourth winner of the famous race.
Overtook, a $1 million purchase, is 20-to-1 for the Belmont Stakes on June 5, the third jewel of the American Triple Crown.
A small field has been gathered for the 1 1/2-mile final jewel of the American Triple Crown, including Preakness winner Rombauer.
A field of nine is expected for the 1 1/2 mile 'Test of Champions' as the American Triple Crown comes to a close.
Queen's Plate contender continues to point to American racing campaign and the Pegasus Stakes could be next.
More than a dozen 3-year-olds are being considered for the June 5 Belmont Stakes, including Ontario-bred Weyburn.
New York colt will aim for Travers Stakes, Preakness and Kentucky Derby for rest of year; filly Gamine steals Belmont day show.
The Belmont is shortened from the traditional 1 1/2 miles to 1 1/8 miles this year and is the first leg of the American Triple Crown.
The American Triple Crown's races are in a totally different order while Canada's Crown will be intact but held later in the season.
Sir Winston earned a one-length victory in the 151st running of the Grade 1, $1.5 million Belmont Stakes, for Canadian trainer Mark Casse.
Justify became the 13th Triple Crown winner when he claimed the 150th running of the Belmont Stakes under Hall of Fame jockey Mike Smith.