Australian HYROX athlete Joanna Wietrzyk has faced intense online scrutiny after she soiled herself during a race in Beijing but continued competing, eventually winning the event.

Wietrzyk, who is a world record holder in the women’s solo HYROX event, was taking part in the competition at Beijing’s National Speed Skating Oval on Saturday, September 12, when the incident occurred.

Footage from the race showed the athlete continuing through the demanding course after suffering what appeared to be bowel incontinence. She continued completing the different running and fitness stations, with visible faecal matter on her legs as she moved around the course and used equipment that would later be accessed by other competitors.

The response from HYROX has since shifted, with the organisation acknowledging that officials should have reacted sooner.

HYROX co-founder Moritz Fürste issued a personal apology following the backlash, addressing what happened at the Beijing event and accepting responsibility for the organisation’s response. In his statement, Fürste said:

"I need to address all of you directly concerning the recent events in China.

"I apologise to all that were directly or indirectly affected, as well as to everyone who felt like we did not handle the situation like we should have.

"HYROX made a mistake by not reacting immediately during the race.

In the end it is my job to foresee these potential incidents - and I did not.

"Of course, we started improving event processes, plus making rulebook changes immediately. As of this moment, there are new rules and procedures in place to prevent situations like this from happening again.

"We learn and try to get better everyday.

"Mo."

HYROX is an indoor fitness competition which combines running with a series of functional exercises. Competitors complete eight one-kilometre runs, each followed by a workout, with stations including rowing, sled pushes, burpee broad jumps, sandbag lunges and wall balls. Because the races take place indoors and athletes use shared equipment and sections of the course, the incident prompted concerns about the possible impact on competitors who followed behind Wietrzyk.

The incident quickly spread across social media, with viewers questioning why the race was not stopped and why Wietrzyk was allowed to continue despite the potential contamination risk.

One person criticised the decision to allow her to remain in the race, writing:

“This is a serious biohazard! Once it happened, she should have been immediately stopped and disqualified, as she contaminated the entire racecourse. As someone covering athletic events, I know that whenever something like this occurs, everything comes to a halt so we can clean it up safely and disinfect.”

Another person questioned why Wietrzyk continued, saying:

“I felt bad for her until I saw she was continuing…what the actual f*ck!?”

A third added:

“That’s extremely disgusting and other people had to walk and touch the equipment.”

The controversy has not only focused on Wietrzyk’s decision to continue, but also on HYROX officials and whether the organisation should have intervened during the race.

Before the incident, HYROX rules already contained penalties for certain behaviour that could affect the cleanliness of the course. Athletes could be penalised for littering, spitting or clearing their nose onto the competition floor, but there was no specific immediate procedure dealing with an incident involving faecal contamination.

Wietrzyk ultimately completed the event and won, despite the situation continuing to unfold during the competition.

HYROX has subsequently updated its approach to contamination incidents. The revised rules now allow a Race Director to withdraw an athlete from a race on medical grounds if blood, vomit, urine or faeces presents a welfare or contamination risk to the athlete or other competitors. Any athlete removed under the rule would have the result recorded as Did Not Finish.

The changes come after criticism that existing rules did not give officials enough clarity about what to do when an athlete experienced a serious medical or hygiene issue during competition.

HYROX World also acknowledged that the incident exposed confusion between procedures intended for elite competition and those used for mass-participation events. The organisation said that its existing bio-contaminant and medical procedures had not been applied clearly enough in the circumstances.

After the incident, the affected sections of the Beijing course were isolated and subjected to deep cleaning. Contaminated equipment was removed, while sections of carpet at the venue were replaced before competition continued the following day.

HYROX China said:

“After the incident, the organising committee immediately closed off and isolated the affected area and track, and completed comprehensive disinfection.”

The incident has also raised wider questions about what athletes should do when their bodies fail during extreme endurance events.

Soiling oneself during intense competition is not unheard of, particularly in endurance sports, where the combination of strenuous exercise, dehydration, diet and physical stress can cause gastrointestinal problems. British distance runner Paula Radcliffe famously experienced a similar incident during the 2005 London Marathon, yet continued and won the race.

However, the HYROX situation differs because competitors were required to continue using shared indoor equipment and parts of the course after Wietrzyk had passed through them.

That distinction has become a central part of the debate, with some people arguing that the athlete’s physical condition should be treated with understanding, while others believe the responsibility to protect fellow competitors should have taken priority once contamination became apparent.

Joe Ho, another competitor at the Beijing event, also criticised the way the situation was handled. He argued that participants who had paid to compete expected HYROX to provide a professionally organised and safe environment, while questioning whether those affected should receive refunds, credits or another form of compensation.

The controversy has also resulted in a warning from organisers about the treatment of Wietrzyk online. After her identity became widely known and she received significant criticism, HYROX warned that anyone sending abuse or threats of violence towards the athlete could be banned from future events.

Wietrzyk appeared to address the controversy herself after the race in a since-deleted Instagram Story, which appeared to show her in a hospital bed. She wrote: “Go hard or go home … a win is a win. In all seriousness, thank you for all the support. I’ll be back soon x.”

The incident has therefore become about more than Wietrzyk’s decision to finish the race. It has exposed questions around athlete welfare, contamination procedures and how quickly officials should act when an unexpected medical situation creates a potential risk to others.

With HYROX now changing its rules and procedures, future Race Directors have clearer authority to remove athletes when bodily fluids create a health or contamination concern. The organisation’s apology also places greater focus on how those rules are enforced in the middle of competition, particularly as HYROX continues to grow internationally.