She already holds the world 's third best time .
Mie Nielsen stopped the clock in 59.26 in heat 5 , setting a new championship record and posting the world 's fifth best time this year .
Mie Nielsen already holds the world 's third best time .
Mie Nielsen stopped the clock in 59.26 in heat 5 , setting a new championship record and posting the world 's fifth best time this year .