The Best Kept Secrets About high jump surfaces
https://wiki-canyon.win/index.php?title=15_Most_Underrated_Skills_That'll_Make_You_a_Rockstar_in_the_athletics_track_Industry
Just like many track events, 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