Western roll Osborn (1924), Walter Marty (1933), and Cornelius Johnson (1936). Johnson's record, (), was equaled on the same day by Dave Albritton, the first world record holder to use what we now call the straddle technique. At first, the straddle was viewed as just a variation of the Western roll, and indeed video of the 1936 Olympics shows Albritton using a conventional Western roll at lower heights. The straddle did not come to dominate the high jump until the mid-1950s, by which time it was recognized as a separate style. Walt Davis was the last Western roll jumper to hold the
South American Championships in Athletics the modern Olympic Games. The 1948 event was held in celebration of the 100th anniversary of the foundation of La Paz. The 1950 event was held in celebration of the 30th anniversary of the Uruguayan Athletics Federation. The 1957 event was for men only. Countries are measured by a points system resulting from their respective athletes' performances. The country with the highest total points is declared the winner. List of South American Championships in Athletics records South American Championships in Athletics The South American Championships in Athletics is a biennial athletics event organized by CONSUDATLE. The first edition in 1919