The 24-year-old from Vail Colorado, who has won two Olympic titles, five world titles and three overall World Cup titles, has 61 victories in the International Ski Federation (FIS) tour event, and two more would take her past Austria's Annemarie Moser-Pröll.

Shiffrin's US colleague Lindsay Vonn tops the women's list with 82 wins, four short of the men's leader, Ingemark Stenmark of Sweden, who earned 86 victories.

Switzerland's Marcel Hirscher, the double Olympic champion who announced his retirement in September, is third on the all-time list with 67 wins.

Shiffrin - who won a record 41st World Cup slalom in Levi, Finland, last weekend - has won all three previous World Cup slaloms in Killington and finished fifth, second and fourth in the three giant slalom races there.

Tomorrow, she may face New Zealand's 17-year-old sensation Alice Robinson, who overtook her in the season-opening giant slalom race in Soelden, Austria, but has recently injured her knee.

The three previous Killington giant slalom winners - Italy's Federica Brignone, Germany's Viktoria Rebensburg and Tessa Worley of France are all expected to race.

Meanwhile, the men will race a downhill and super-G in Lake Louise, Alberta.

Austria's Max Franz is defending the downhill title he won last season, eventually finishing ninth in the overall standings.

Kjetil Jansrud of Norway began last season with a win in super-G at Lake Louise and went on to finish fourth in the standings.