english: So I consulted biomechanics experts to find out how much slower it is to run on cinders than synthetic tracks, and their consensus that it's one and a half percent slower.
non_english: Raspitao sam se kod stručnjaka za biomehaniku kako bih saznao koliko je sporije trčanje po ugljevlju u odnosu na sintetičku podlogu i složili su se da razlika iznosi 1,5%.