5 Quotes by Leif Zimmermann

We have a pretty good passport on my blood levels and I'm routinely around 17 (maximum level) as I've spent almost my entire life living and training at altitude. I also have had a head cold for the past week and that definitely affected my hydration, along with the altitude. Hopefully this won't affect any of my plans at the Olympics.

I am recovering from a head cold, which affected my hydration level. And hydration has a big effect on hemoglobin levels.

I have never doped, and will never dope. I don't believe doping belongs in any sport, especially cross-country skiing.

I'm starting to get a little antsy. I'm ready to get out and compete.

I get blood work done periodically throughout the year and normally test between 16.5-17.5.