Speed climbing is a race against the clock. Climbing as sport (1) was / has been around for a long time, but competition speed climbing (2) became / has become popular only a few years ago. Competitors try to climb a fifteen-metre wall as quicly as they can. When they rach the top must hit a button to stop the clock. When the sport (3) started / has started , climbers (4) used / have used walls with different heights and holds but, since 2007 , all the walls (5) were / have been exacly the same. The men's world record holder is Danyl Boldyrev, who (6) broke / has broken the record with a time of 5.6 seconds in 2014. Competitive climbing (7) wasn't been in the last Olimpic games. but the organisers of the Games (8) just accepted / have just accepted it as a sports for the 2020 Tokyo Olimpics. potrzebuje pomocy na jutro