bɪkˈʌz ɐn əlˈɪmpɪksˈaɪz swˈɪmɪŋ pˈuːl ɪz fˈɪfti mˈiːɾɚz lˈɔŋ, ðɪs ɹˈeɪs kənsˈɪstᵻd ʌv fˈoːɹ lˈɛŋθs ʌvðə pˈuːl.
Because an Olympic-size swimming pool is 50 metres long, this race consisted of four lengths of the pool.