Straddle technique straight, and head and trunk pass the bar at the same time. Charles Dumas, the first high jumper to clear 7 ft, and John Thomas (silver medal at the 1964 Olympics) used this technique. Valeriy Brumel (gold in 1964) dove a little bit, his head going over the bar before his trunk. Probably the most extreme exponent of the dive straddle was Bob Avant, who cleared 7 ft. in 1961. Avant's technique was close to a pure dive, with just a small knee lift on his lead leg. The last world record jump with the straddle technique was Vladimir Yashchenko's
IAAF World Youth Championships in Athletics instead. The competition was renamed to the IAAF World U18 Championships in November 2015, though ultimately only the 2017 competition used this title. The competition was the under-18 counterpart to the World U20 Championships, which are for athletes who are 19 or under. Key: Independent Athletes were not included in the official medal table. IAAF World Youth Championships in Athletics The IAAF U18 Championships in Athletics (until 2015 known as IAAF World Youth Championships in Athletics) was a global athletics event comprising track and field events for competitors who were 17 or younger (youth = Under-18). The event was organized