
USA Outdoor Track & Field Champions
Men's 56-lb. Weight Throw
| 1966- | Not held | ||
| 1965 | 43-9.5 | Bob Backus | NYAC |
| 1960-64 | Not held | ||
| 1959 | 44-3.5 | Bob Backus | NYAC |
| 1958 | 43-2 | Bob Backus | NYAC |
| 1957 | 44-8.5 | Bob Backus | NYAC |
| 1956 | 43-0 | Bob Backus | NYAC |
| 1955 | 43-5 | Bob Backus | NYAC |
| 1954 | 42-5.25 | Bob Backus | NYAC |
| 1953 | 37-2.75 | Bob Backus | NYAC |
| 1952 | 40-3.125 | Henry Dreyer | NYAC |
| 1951 | 41-6.75 | Henry Dreyer | NYAC |
| 1950 | 38-10.5 | Frank Berst | NYAC |
| 1949 | 38-4.75 | Henry Dreyer | NYAC |
| 1948 | 41-2.625 (light implement) | Henry Dreyer | NYAC |
| 1947 | 36-4.5 | Frank Berst | NYAC |
| 1946 | 35-3.125 | Frank Berst | NYAC |
| 1945 | 35-2 | Henry Dreyer | NYAC |
| 1944 | 38-4.25 | Frank Berst | NYAC |
| 1943 | 35-2 | Frank Berst | NYAC |
| 1942 | 39-3.25 | Frank Berst | NYAC |
| 1941 | 35-7.875 | Frank Berst | NYAC |
| 1940 | 35-6 | Henry Dreyer | NYAC |
| 1939 | 34-6.875 | Stanley Johnson | Maine |
| 1938 | 35-1.5 | Louis Lepis | NYAC |
| 1937 | 33-6 | Louis Lepis | NYAC |
| 1936 | 35-1.25 | Louis Lepis | NYAC |
| 1935 | 36-6.25 | Clark Haskins | Det. PD |
| 1934 | 35-1.5 | Clark Haskins | Detroit PD |
| 1933 | 35-9.625 | Pat McDonald | NYAC |
| 1932 | 35-2 | Leo Sexton | NYAC |
| 1931 | 36-1.375 | Leo Sexton | NYAC |
| 1930 | 34-6.75 | Leo Sexton | NYAC |
| 1929 | 35-9 | Pat McDonald | NYAC |
| 1928 | 33-10.25 | Pat McDonald | NYAC |
| 1927 | 36-4.25 | Pat McDonald | NYAC |
| 1926 | 36-6.75 | Pat McDonald | NYAC |
| 1925 | 36-8.375 | Matt McGrath | NYAC |
| 1924 | 35-7 | Matt McGrath | NYAC |
| 1923 | 38-0 | Matt McGrath | NYAC |
| 1922 | 35-10 | Matt McGrath | NYAC |
| 1921 | 37-8 | Pat McDonald | NYAC |
| 1920 | 37-11.25 | Pat McDonald | NYAC |
| 1919 | 37-7 | Pat McDonald | NYAC |
| 1918 | 34-9 | Matt McGrath | Unat |
| 1917 | 33-3 | Pat Ryan | Irish AAC |
| 1916 | 35-5.5 | Matt McGrath | Irish AAC |
| 1915 | 35-9.75 | Lee Talbott | Kan. City AC |
| 1914 | 38-5.5 | Pat McDonald | Irish AAC |
| 1913 | 38-5.5 | Matt McGrath | Irish AAC |
| 1912 | 37.87 ft. | Pat Ryan | Irish AAC |
| 1911 | 38-9.875 | Pat McDonald | Irish AAC |
| 1910 | 37-1.5 | Con Walsh | NYAC/CAN |
| 1909 | 33.64 ft. | Lee Talbott | Kan. City AC |
| 1908 | 37-1.5 | John Flanagan | Irish AAC |
| 1907 | 38-8 | John Flanagan | Irish AAC |
| 1906 | 35-7 | John Flanagan | Irish AAC |
| 1905 | 33-1.5 | James Mitchel | Irish AAC |
| 1904 | 35-9 | John Flanagan | Irish AAC |
| 1903 | 32-2.75 | James Mitchel | NYAC |
| 1902 | 33-6 | Etienne Desmarteau | CAN |
| 32-5.5 | 2-James Mitchel | KnickAC | |
| 1901 | 30-6 | John Flanagan | NYAC |
| 1900 | 35-3 | James Mitchell | HarlemRow |
| 1899 | 33-7.5 | John Flanagan | NYAC |
| 1898 | 30-11 | Richard Sheldon | NYAC |
| 1897 | 32-2 | James Mitchel | Pastime AC |
| 1896 | 30-7 | James Mitchel | Pastime AC |
| 1895 | 32-7.5 | James Mitchel | NYAC |
| 1894 | 33-7.375 | James Mitchel | NYAC |
| 1893 | 34-5.5 | James Mitchel | NYAC |
| 1892 | 34-8.375 | James Mitchel | NYAC |
| 1891 | 35-3.5 (throwing area downhill) | James Mitchel | NYAC |
| 1890 | 32-10 | Charles Queckberner | ManAC |
| 1889 | 27-9.5 | Wilson Couden | NYAC |
| 1888 | 27-9 | Wilson Couden | NYAC |
| 1888 | 26-10 | James Mitchel | Gael.AA/IRL |
| 1887 | 25-10 | Charles Queckberner | NYAC |
| 1886 | 25-1 | Charles Queckberner | NYAC |
| 1885 | 26-3 | Charles Queckberner | SAAC |
| 1884 | 26-3.25 | Charles Queckberner | SAAC |
| 1883 | 25-1.75 | Frank Lambrecht | PastimeAC |
| 1882 | 24-10.25 | John Britton | Scot-Am AC |
| 1881 | 24-0 | John Britton | Scot-Am AC |
| 1880 | 24-4 | James McDermott | SAAC |
| 1879 | 22-11 | James McDermott | ScotAMAC |
| 1878 | 21-0 | William Curtis | NYAC |
| 1877- | Not held | ||