Lindsey Vonn 10th fastest in practice for first World Cup downhill in six years

• American is attempting comeback at age of 40
• Vonn has won 43 World Cup downhills in long career

Lindsey Vonn was 10th fastest in a training run on Thursday for her first World Cup downhill in six years.

Three weeks after the 40-year-old's World Cup comeback in a super-G, Vonn completed the 2km Karl Schranz course 2.55 seconds behind Federica Brignone of Italy. The American, who is racing on a titanium knee, was clocked at close to 68 mph at a fast section of the hill where she won a downhill in December 2007.

A second practice is planned on Friday before the race on Saturday.