- Andrea Vallauri says new surface enhances performance by 1-2%
- Karsten Warholm shreds men’s 400m hurdles world record
The designer behind the lightning fast Olympic Stadium track in Tokyo has said it gives a 1-2% performance advantage to athletes, making it the quickest in history.
Super spikes, hot weather and the track have all been cited as contributing to a number of sensational times, with the Norwegian Karsten Warholm becoming the latest to leave jaws dropping by breaking the 400m hurdles world record as he became the first man to go under 46 seconds.
Continue reading...from The Guardian https://ift.tt/2VuEYjD
