Team GB skier Chemmy Alcott finished in 27th in the giant slalom at Whistler Creekside on Thursday.
Twickenham's Alcott started the day 2.41 seconds off the lead in 25th following her opening run in heavy fog on Wednesday.
She attacked the course again second time round but could not improve on her overnight position, clocking a time of one minute, 12.41 seconds.
That put her 2.83 seconds behind the combined time of Germany's Viktoria Rebensburg, who took gold.
"I felt like I really knocked the door down. I didn't really make a mistake, I just skied too hard,” she said.
“I am disappointed because it just didn't happen today.
“It was a bit of a bad day at the office. Everybody has them, but you just don’t want it at the Olympics.
“The Olympic Winter Games have been really challenging and I have enjoyed it.”
And she said race officials made the right call in postponing yesterday’s second run due to fog.
“It was a good a decision,” she said. “It was a safety decision.
"The conditions were really difficult and they were much better today. We were all in the same boat.”
Alcott, who is competing at her third Olympic Winter Games, is due to round off her Vancouver 2010 campaign in the slalom today.
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