The Ultimate Cheat Sheet on high jump surfaces
https://wiki-cafe.win/index.php?title=15_Things_Your_Boss_Wishes_You_Knew_About_athletics_track
As with the majority of track events, jumpers have 3 efforts at each height. Heights are raised 2 cm after each round, and only those who clear the bar proceed to the next round. The winner is he or she who clears