Sir Bradley Wiggins has set a new world record for distance covered in one hour - described as cycling's 'Holy Grail'.
The four-time Olympic champion completed the feat with minutes to spare, earning a huge roar at the Lee Valley VeloPark in London.
He eventually clocked 54.526km in the hour - demolishing the previous record of 52.937km set by fellow Briton Alex Dowsett last month.
The 34-year-old had enough strength to raise his bike above his head in celebration.
'I'm glad it's done,' said Wiggins, the 2012 Tour De France winner. 'That's the closest I will come to knowing what it's like to have a baby.
'It's tortuous. It's such a relief and was such a build-up. We've been through so much, my wife and children know so much about air pressure now.'
The event, which was screened live on Sky Sports, sold out in just seven minutes.
A raucous crowd cheered on their man throughout the hour - but Wiggins admitted afterwards he could not hear them.
'It's so difficult to block the noise out,' he said. 'They put a playlist of music together that I had to okay and I couldn't hear anything..