thumb|Assault, winner of the 1946 Triple Crown In 1937, War Admiral became the fourth Triple Crown winner after winning the Belmont in a new track record time of 2:28 3/5. In the 1940s, four Triple Crown winners followed: Whirlaway in 1941, Count Fleet in 1943, Assault in 1946 and Citation in 1948. Count Fleet won the race by a then-record margin of twenty-five lengths. He also set a stakes record of 2:28 1/5, a record tied by Citation. In 1957, the stakes record was smashed when Gallant Man ran the Belmont in 2:26 3/5 in a year when the Triple Crown series was split three ways.
thumb|Assault winner of the 1946 Triple Crown In 1937 War Admiral became the fourth Triple Crown winner after winning the Belmont in a new track record time of 228 3/5 In the 1940s four Triple Crown winners followed Whirlaway in 1941 Count Fleet in 1943 Assault in 1946 and Citation in 1948 Count Fleet won the race by a then-record margin of twenty-five lengths He also set a stakes record of 228 1/5 a record tied by Citation In 1957 the stakes record was smashed when Gallant Man ran the Belmont in 226 3/5 in a year when the Triple Crown series was split three ways