Where Will high jump surfaces Be 1 Year From Now?
https://spark-wiki.win/index.php?title=A_Look_Into_the_Future:_What_Will_the_high_jump_track_Industry_Look_Like_in_10_Years%3F
Similar to most track occasions, jumpers have three attempts at each height. Heights are raised 2 cm after each round, and just those who clear the bar carry on to the next round. The winner is he or she who clears