Former New Zealand cycling representative Olivia Podmore died on Monday, aged 24.
Podmore's family confirmed the news on social media, after she had posted on Instagram detailing the pressures of elite-level sports.
"Rest in peace to my gorgeous sister and loved daughter of Phil Podmore," her brother, Mitchell Podmore, posted on Facebook. "You will be in our hearts forever."
Podmore represented New Zealand at the Rio 2016 Olympics and the 2018 Gold Coast Commonwealth Games.
Cycling New Zealand says it's "deeply saddened" by Podmore's death.
"Cycling New Zealand, our riders and staff, are deeply saddened with the loss of one of our young cyclists," it states.
"Olivia was a much loved and respected rider in our Cycling New Zealand squad.
"At this time we are providing support to our staff and riders, the cycling community and those that were close to Olivia.
"Cycling New Zealand extend our deepest sympathies to Olivia’s family at this time and we ask that media respect the privacy of Olivia’s family, friends and our riders."
The New Zealand Olympic Committee has offered its deepest condolences to those grieving Podmore's passing.
"The New Zealand Olympic Committee is deeply saddened by the loss of Olympian #1333 and cyclist Olivia Podmore," it says.
"We offer our deepest condolences to family, friends and others in the NZ community who are grieving this loss.
"We are providing wellbeing support for members of her team and the wider team as we return home from Tokyo.
"Olivia represented New Zealand with honour and pride at both the Rio 2016 Olympic Games and the Gold Coast 2018 Commonwealth Games. She was a valued team member and her loss will be felt across the New Zealand Sporting Community."
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