'Faster and faster'published at 10:10 Greenwich Mean Time 13 February 2018
Women's 500m
Simon Brotherton
Commentator on BBC TV
Elise Christie is going faster and faster here. She is safely through to the semi-final.
Watch: Men's combined downhill replay
GB's Elise Christie crashes out in short-track speed skating final
Christie left in tears. Italy's Arianna Fontana wins gold
US teenager Chloe Kim claims halfpipe title
Marcel Hirscher wins first Olympic gold in men's combined
Kjeld Nuis wins speed skating gold for dominant Dutch
Norway's Johannes Hoesflot Klaebo and Sweden's Stina Nilsson claim sprint classic gold
Tom Rostance
Women's 500m
Simon Brotherton
Commentator on BBC TV
Elise Christie is going faster and faster here. She is safely through to the semi-final.
Women's 500m
After so many hours of build-up, may I thank Elise Christie for well and truly delivering the goods there.
The semi-finals get underway in exactly an hour.
Women's 500m
Wilf O’Reilly MBE
Former British short track speed skater on BBC TV
That was a superb time. New Olympic record! This quarter-final for her was all about getting into the racing. It was quite clearly Christie number one.
Women's 500m
Kim Boutin of Canada finished second in that race, on her backside after a collision, but she's through.
Elise Christie
Superb - an Olympic record for Elise Christie in 42.703 seconds!
Women's 500m
No dramas for Elise Christie - she wins in 42.71 as there is a crash just behind her...
Women's 500m
Elise Christie in second place but takes the lead smoothly...
Women's 500m
Away they go!
Women's 500m
Simon Brotherton
Commentator on BBC TV
That wasn't a very quick time. That means depending on the time of the remaining quarter-finals, Elise Christie (if she goes through) could actually meet Arianna Fontana in the semi-final!
Women's 500m
The first two in each quarter-final qualify for the semi-finals, and the first two from each semi-final reach the A final, in which the medals are decided. There is also a B final for the third and fourth-placed semi-finalists.
Women's 500m
Arianna Fontana cruises through, with Yara van Kerkhof also into the semi-finals.
Elise Christie is up next.
Women's 500m
So only three skaters will compete now, and two go through.
Women's 500m
Marianne St Gelais, a three-time silver medalist, is ejected!
Women's 500m
Yara van Kerkhof of the Netherlands ate the ice there and the officials are looking at the video.
If you've not seen short track speed skating before it's one of the most exciting events. You rarely get a race without some sort of barging and bashing.
Read more in our short track speed skating guide.
Women's 500m
Pressure on now then for the second attempt. Away this time! And a crash already!
They stop the race. You have to get through the first turn unscathed or it's restarted.
Women's 500m
Away we go in QF1...
False start.
Women's 500m
Elise Christie is the world record holder at this event - 42.335 seconds.
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Women's 500m
Others likely to challenge are Canadians Kim Boutin and Marianne St-Gelais, along with Italy’s Arianna Fontana, who won three medals in Sochi, including a best-ever silver in this event. She was the skater who Christie took out in the final.
Fontana and St-Gelais are both in quarter final one.
Women's 500m
Some words from Elise Christie's documentary on BBC One:
"I would love to come home with that gold medal so everybody at home can see it was worth while."
"They are the reason I carried on - I wanted to give up. It is important now that everybody knows I tried my best and did everything I could."
Come on Elise!