Wales' Geraint Thomas has crashed in the Olympic Men's Road Race. It happened during a fast and technical descent 228km into the 237.5km course.
Despite the crash the Cardiff man still managed to finish the race in 11th position.
Greg Van Avermaet from Belgium won the Gold in a time of 6:10:05.
Welsh cyclist Geraint Thomas rode strongly at the front of the peloton on day two of the Tour de France in Yorkshire, helping Team Sky leader Chris Froome stay out of trouble.
Thomas, 25, finished safely in the pack, and is 22nd in the overall classification going into Stage 3, between Cambridge and London.
Watch highlights of Stage 2 on ITV4 at 7pm this evening
Welsh cyclist Geraint Thomas has finished 17th on the first day of the Tour de France in Yorkshire.
Team Sky leader Chris Froome came in 6th, while Mark Cavendish crashed near to the finish line.
This is the fifth tour for the two-time Olympic gold medallist from Cardiff.
Watch highlights of Stage 1 on ITV4 at 7pm this evening
Geraint thomas has been handed a massive boost to his hopes of reclaiming the national road race title on home roads after sir Bradley wiggins pulled out of Sunday's British national road race championship in Abergavenny.
Wiggins had been expected to mount a serious challenge for the title after missing out on selection for this summers tour de France. His withdrawal though opens up further hopes I home success for Cardiff rider Geraint Thomas who is hoping to reclaim the title he won in 2010.
Wiggins withdrawal is the second big-name to miss out on the championship after mark cavendish withdrew last week through illness.
Geraint Thomas will again ride in the world's most famous cycle race in support of team leader and defending champion Chris Froome.
Froome's inclusion means that Team Sky principal Dave Brailsford has left out former Tour champion Bradley Wiggins, despite the Olympic Gold medallist showing his form winning Thursday's British national time trial title on the roads of Monmouthshire.
Thomas will play a key role in Sky's attempts to claim a third straight Tour win as Froome's chief sidekick throughout the three week race.
Many tip the Cardiff man to play a central role himself in years to come with GB coach and former Sky man Shane Sutton tipping him to be a future Grand Tour winner himself in years to come.
For now though Thomas must continue to play second fiddle for the 21 stage race, that finishes just seven days before he attempts to secure a victory of his own at the Commonwealth Games road race in Glasgow.
'It's certainly not ideal. It's a big three weeks of racing around France trying to help Froomey win really so it'll be tough for sure" he said.
"I think mentally it's ok because I know I've just got to keep going until the Sunday, just hopefully I can recover well, eat well, sleep well and that's pretty much all I can do go there and go as fast as we can."
Geraint Thomas has been named in Team Sky's nine man line-up for the Tour de France, beginning with the Grand Départ in Yorkshire on July 5.
Welsh cyclist Geraint Thomas is still in the lead of the Tour Down Under, with two stages of the race to go. The Cardiff rider is five seconds ahead of his nearest challenger, after four stages of the race in Australia.
He won his second Olympic gold medal in the veledrome in the summer. He rides on the road for Team Sky.
'It was a stressful day as there was a bit of wind and I think everyone was thinking about the potential cross-wind sections', he said. 'The boys were great. We stayed near the front with about 10 kilometres to go and they kept me out of trouble.'
More gold for Geraint - but this time not a medal.
Following Team GB's success in the men's team pursuit yesterday, this post box in Geraint Thomas' hometown of Cardiff has been painted gold in his honour.
The post box is situated opposite Cardiff Castle.
A post box will also be painted in Huddersfield for fellow cyclists Ed Clancy and in Colne, Lancashire, for Steven Burke.
Meanwhile the Isle of Man Post Office, which is independent of the Royal Mail network, will be making its own arrangements to paint a post box gold for its gold-medal-winning resident Peter Kennaugh.
The four have also been commemorated on a special Royal Mail postage stamp.
Cardiff cyclist Geraint Thomas will have his picture on a special first class stamp after he helped Great Britain to a win in the men's team pursuit.
The gold medal stamp is being printed overnight and will be on sale in over 500 UK Post Office branches from around lunchtime tomorrow, including Geraint’s hometown of Cardiff.
Geraint's team mates Ed Clancy, Steven Burke and Peter Kennaugh also feature.