Click on the video players below to watch live as Kaillie Humphries and the world's top bobsleigh athletes compete on the stunning natural track in St. Moritz, Switzerland at this week's IBSF World Cup event.

Coverage begins with the first run of the women's race Saturday at 2:30 a.m. ET

The men's opener goes at 3:30 a.m. ET.

Watch the women's second run at 4:45 a.m. ET.

(Live at 4:45 am ET) 2015 IBSF World Cup Bobsleigh & Skeleton on CBC from St. Moritz, Switzerland0:00

Watch the men's second run at 5:45 a.m. ET.

(Live at 5:45 am ET) 2016 IBSF World Cup Bobsleigh & Skeleton on CBC from St. Moritz, Switzerland0:00

On Sunday, catch the four-man runs at 4:30 a.m. ET and 6 a.m. ET.