An Australian Hyrox athlete who went viral after soiling herself during a race in Beijing - before going on to win - has apologised and forfeited her victory.

Joanna Wietrzyk defecated during the global indoor race event in Beijing, and initially responded to her win with a post on Instagram stating “Go hard or go home they say… a win is a win.” However, after the fallout from the now-notorious incident continued, she has now announced she will “retroactively withdraw” from the race and forfeit the points she won during the event.

“I want to offer my sincere apology to the people of China, my fellow competitors, the spectators and the Hyrox organisers for what happened during the race in Beijing,” she wrote.

“I felt completely fit and healthy at the start of the race, with no reason to expect any illness.

Looking back, I regret the decision to not have stepped off the track.

I recognise that I should have made a different choice.

I take responsibility for my decision to continue and am deeply sorry for the discomfort and disruption it caused,” she added.

The 22-year-old holds the Hyrox women’s solo world record, and on Saturday completed the Beijing race in 1 hour, 1 minute....