Kikkan Randall shares workout secrets with the Wall St. Journal

Kikkan Randall cools down in July 2011 after the grueling Mount Marathon race in Seward. Steph Anderson / Anchorage Daily News archive

The Wall Street Journal's "What's Your Workout" column goes hardcore this week with a look at World Cup-winning Anchorage nordic skier Kikkan Randall's off-season routine -- including gear choices, music playlist and naptimes. Warning: This isn't weekend warrior stuff.

Her regimen is a brutal, six- (sometimes seven) day-a-week mix of roller skiing, biking, running and strength training. Pull-ups are a fairly unpleasant experience for most humans, but the ones Ms. Randall does resemble a form of medieval torture. She straps on a belt with a chain dangling from it and attaches a 60-pound weight to it. Or she'll pull herself up with such power that she is able to clap her hands above the bar and then grab it to slowly lower herself. Eight is her record. "There's nothing that makes you feel more hard core than strapping on a belt and attaching a big weight to it," she says.

Read more at the WSJ: Killer Pull-Ups, Brutal Sprints and a Nap for a Ski Champ