In pictures: Team GB start competing in Sochi 2014
The first action at the Sochi 2014 Winter Olympics has started with qualifying in the men's slopestyle snowboarding.
Britain's Jamie Nicholls has qualified for Saturday's final while Billy Morgan will contest the semi-finals after finishing sixth.
This marks the first time in 30 years that events are starting before the opening ceremony.
It will take place at the Fisht stadium on Friday 7 February.
Female slopestyle snowboarder Jenny Jones also starts competing in qualifying on Thursday along with Aimee Fuller.
Jones, 33, has won three X Games titles and finished second at the opening World Cup event of the season.
This is the first time slopestyle snowboarding has been included as an Olympic event.
Speed skater Jon Eley (above) will be the British flagbearer at Sochi 2014's opening ceremony on Friday.
Sochi marks the 29-year-old's third Winter Olympics in short track skating.
Eley, from Solihull, said carrying the flag would be "an amazing privilege and a moment that I will treasure for the rest of my life".
British figure skater Matthew Parr, 23, will also compete on the first day of the games.
His event, which will be his first appearance at an Olympics starts at 3.30pm (GMT). He says he's "feeling quite relaxed about it".
Parr will be followed by Stacey Kemp and David King, who will take part in the pairs figure skating at 5.10pm (GMT).
There will be 98 gold medals won over 16 days of competition, with 2,871 athletes from 87 National Olympic Committees competing.
The 2014 Winter Olympics have cost host nation Russia £30bn to stage.
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