The alarm goes off just after 5am and you wonder if getting up every morning at this hour is worth it.
But you picture yourself in the New Zealand uniform walking among fellow elite athletes representing your country at the Olympics opening ceremony at Rio and the decision to train so hard twice a day is an easy one.
Who knows if that's how Rotorua's Kane Radford has felt these past years as he's prepared for his first Olympics, but one thing's for sure, today he will be devastated.
The 25-year-old's hopes of being nominated for the 10km Open Water event have been dashed.
Swimming New Zealand selectors have made the controversial announcement they will not nominate any open water swimmers for selection to the Olympics, despite Radford qualifying.