Update: 10:00 a.m. December 4

The U.S. Ski Team announced Tuesday that Lindsey Vonn's doctor, U.S. Women's Ski Team Head Physician Bill Sterett, has cleared her for training runs. The reigning Olympic downhill champ will begin training session in Lake Louise, Canada, today. On Thursday, Vonn will decide whether she will compete in the World Cup competition this weekend.

12:03 p.m. December 2

In order to compete at the Sochi Olympics, Lindsey Vonn is delaying ACL surgery and continuing to train following a knee injury in November.

On Sunday, she reportedly took two warmup runs followed by three aggressive passes through the super-G course at Vail. Although she withdrew from a World Cup race at Beaver Creek last weekend, she still plans on racing at a World Cup event in Lake Louise depending on her knee.

"So it's kind of like, might as well see how long it holds up. Not a lot of options. In the end, surgery is going to have to happen," Vonn told reporters after a training session at Vail on Sunday.

During a training run at Copper Mountain two weeks ago, the defending Olympic downhill champion partially tore the ligaments in her right knee, the same knee that underwent major surgery in February.