Oldest champion 45yrs 15days Hale Irwin (Medinah 1990)
Youngest champion 19yrs 10mths John J. McDermott (Chicago 1911)
Most wins 4 Willie Anderson (1901-03-04-05)
4 Bobby Jones (1923-26-29-30)
4 Ben Hogan (1948-50-51-53)
4 Jack Nicklaus (1962-67-72-80)
Lowest aggregate 272 Jack Nicklaus (Baltusrol 1980)
272 Lee Janzen (Baltusrol 1993 272 Tiger Woods (Pebble Beach 2000)
272 Jim Furyk (Olympia Fields 2003)
Most under par 12 under Tiger Woods (Pebble Beach 2000)
Biggest winning margin 15 Tiger Woods (Pebble Beach 2000)
Lowest round 63 (8 under) Johnny Miller (Oakmont 1973)
63 (7 under) Jack Nicklaus (Baltusrol 1980)
63 (7 under) Tom Weiskopf (Baltusrol 1980)
63 (7 under) Vijay Singh (Olympia Fields 2003)
Lowest nine holes 29 Neal Lancaster (Shinnecock Hills 1995)
29 Neal Lancaster (Oakland Hills 1996)
29 Vijay Singh (Olympia Fields 2003)
Lowest first 36 holes 133 Jim Furyk (Olympia Fields 2003)
133 Vijay Singh (Olympia Fields 2003)
Lowest first 54 holes 200 Jim Furyk (Olympia Fields 2003)
Lowest last 54 holes 203 Loren Roberts (Oakmont 1994)
Lowest last 36 holes 132 Larry Nelson (Oakmont 1983)
Largest 54-Hole lead 10 Tiger Woods (Pebble Beach 2000)
Largest 36-Hole lead 6 Tiger Woods (Pebble Beach 2000)
Largest 18-Hole lead 5 Tommy Armour (North Shore 1933)
Largest 54-hole lead by non-winner 5 Mike Brady (Brae Burn 1919)
Largest 36-hole lead by non-winner 4 Tom McNamara (Englewood 1909)
Largest 18-hole lead by non-winner 5 Tommy Armour (North Shore 1933)
Best last-round comeback to win 7 Arnold Palmer (Cherry Hills 1960)
Best last 36-hole comeback to win 11 Lou Graham (Medinah 1975)
Best last 54-hole comeback to win 9 Jack Fleck (Olympic Club 1955)
Most consecutive wins 3 Willie Anderson (1903-04-05)
Most times runner-up 4 Bobby Jones (1922-24-25-28)
4 Sam Snead (1937-47-49-53)
4 Arnold Palmer (1962-63-66-67)
4 Jack Nicklaus (1960-68-71-82)
Most top 5s 11 Willie Anderson 11 Jack Nicklaus
Most top 10s 18 Jack Nicklaus
Most top 25s 22 Jack Nicklaus
Lowest aggregate by non-winner 274 Isao Aoki (Baltusrol 1980)
274 Payne Stewart (Baltusrol 1993)
Youngest competitor 14yrs Tyrell Garth (Colonial 1941)
Amateur winners Francis Ouimet (Brookline 1913)
Jerome D. Travers (Baltusrol 1915)
Charles Evans Jnr (Minikahda 1916)
Bobby Jones (Inwood 1923, Scioto 1926, Winged Foot 1929, Interlachen 1930)
John Goodman (North Shore 1933)
Low score by amateur 282 Jack Nicklaus (Cherry Hills 1960)
Winners of Masters and US Open in same year 1941 Craig Wood 1951-53 Ben Hogan
1960 Arnold Palmer 1972 Jack Nicklaus 2002 Tiger Woods
Longest course 7,214 yards Bethpage 2002
Shortest course 4,423 yards Shinnecock Hills 1896
Highest round 116 O. McCammon (Baltimore 1899)
Lowest 36-hole cut 143 (+3) Olympia Fields 2003
Lowest cut in relation to pare 145 (+1) Medinah 1990
Most sub-par rounds 124 Medinah 1990
Most rounds in 60s 83 Olympia Fields 2003
Highest score, one hole 19 Ray Ainsley (Cherry Hills 1938)
Most consecutive birdies 6 George Burns (Pebble Beach 1982)
6 Andy Dillard (Pebble Beach 1992)
Most consecutive Opens 44 Jack Nicklaus (1957-2000)
Most sub-par rounds 37 Jack Nicklaus
Most rounds in 60s 29 Jack Nicklaus
Led outright after each round Walter Hagen (1914), James Barnes (1921), Ben
Hogan (1953), Tony Jacklin (1970), Tiger Woods (2000-02)
Debut winners Horace Rawlins (1895), Fred Herd (1898), Harry Vardon (1900),
George Sargent (1909), Francis Ouimet (1913)
Longest hole 642 yards 5th, Southern Hills 2001
Last back-to-back winner Curtis Strange 1988-89
Last qualifier to win Steve Jones 1996