Speaking exclusively to the BBC, Joanna Wietrzyk says her determination to win the Hyrox race in September had clouded her judgement.
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Sir Ian McKellen leads tributes to 'beloved actor' Sir Patrick Stewart after his death at 86
The actor died in Los Angeles following a "a brief and poignant journey" with Alzheimer's Disease and Lewy Body Dementia.
Streeting denies 'kicking can down the road' in defence spending row
The government is under pressure to set out a path to greater defence spending, as ministers unveil plans to boost UK firms.
Footage of Seoul crush to be removed from Call of Duty after backlash
Bereaved families say they were appalled to see footage of the Itaewon disaster included in Modern Warfare 4.
Residents leave devastated Russian-occupied Oleshky as evacuation corridor opens
Several hundred people are understood to have decided to stay in the frontline town, despite the lack of gas, electricity and running water.
Watch: Iconic moments from Sir Patrick Stewart's career
The renowned British actor died after "a brief and poignant journey" with Alzheimer's disease and Lewy Body Dementia, his spokesperson says.
What we know about Binance's $6.3bn hack
BBC business reporter Archana Shukla explains more about what is suspected to be the largest hack in history.
Yorkshire Water boss resigns after firm downgraded
Nicola Shaw, who has led the company since 2022, will step down in January, it is announced.
Yorkshire Water boss resigns after firm downgraded
Nicola Shaw, who has led the company since 2022, will step down in January, it is announced.
Why managers must put their own fitness first - Pulis
BBC Sport columnist Tony Pulis explains why Vincent Kompany's health scare was a reminder that management takes its toll physically and mentally
Why managers must put their own fitness first - Pulis
BBC Sport columnist Tony Pulis explains why Vincent Kompany's health scare was a reminder that management takes its toll physically and mentally
F1 has never had anyone like me - Hamilton
Lewis Hamilton says he is unlike any driver Formula 1 has seen before and reaffirms a determination to keep racing into his mid-forties.
F1 has never had anyone like me - Hamilton
Lewis Hamilton says he is unlike any driver Formula 1 has seen before and reaffirms a determination to keep racing into his mid-forties.
Traders' tools stolen every 20 minutes in UK
Gangs and "chancers" are behind the crimes, says a MP calling on the Government to do more to help.
Traders' tools stolen every 20 minutes in UK
Gangs and "chancers" are behind the crimes, says a MP calling on the Government to do more to help.
We went on holiday with our neighbours and swapped families - it tore us apart
Rachel Stone tells how her parents swapped partners, the chaos it caused and how she came to forgive them.
We went on holiday with our neighbours and swapped families - it tore us apart
Rachel Stone tells how her parents swapped partners, the chaos it caused and how she came to forgive them.
Hazardous driving conditions for Friday as fog warning issued by Met Office
Foggy conditions likely to bring tricky conditions for the Friday morning commute as severe weather warning issued.
Scottish police to target online gangs forcing children to self-harm
Officers are hunting members of loose online networks of sadists who mainly targets girls on gaming platforms and social media.
Scottish police to target sadistic online gangs forcing children to self-harm
Officers are hunting members of loose online networks of sadists who mainly targets girls on gaming platforms and social media.
Attenborough-backed appeal secures £30m estate
The purchase of the vast Rothbury Estate by wildlife groups is hailed as "something very special".