in just a few hours, legendary american skier lindsey vonn will compete for the final time. she had planned to retire in december, but moved it up to now after years of injuries just caught up with her. cnn's christina mcfarland has a preview of her last blast down the hill. >> skiing is what i love. it's my passion. i love competing. i love going 90 miles an hour. it's just in my blood. >> reporter: she's the most decorated female skier of all time. 34-year-old snow queen lindsey vonn has enjoyed a stellar career. with three olympic medals, seven world championship medals and 82 world cup victories. she came close to beating the all-time number of wins held by sweden's stenmark. but earlier this month announced she'll be hanging up her boots