meat puppet said:
But Johaug is definitely not that good technically, especially while skating. By her own standards she might have improved, but explaining her dominance even partly by technical skills would be pushing it. Compare to Domracheva and Kalla and you'll get the picture. To her it's mainly about maintaining that insane cadence. And gravity.
The way I see it, skis by (current) design simply favor lightweight skiers. All skis are 4cm wide. Whether you're 46kg like her, or 92kg like me. Ski length is limited by sponsors. 192-195cm is all you get. I think Johaug often uses 187. But even 177 would be hugely long compared to the longest I can get. Not only in a pure length sense, he skate skis being way longer than she is tall and somehow having to manage those (high tempo might be necesary to not stumble), but especially kg/cm³. In soft snow she doesn't have challengers who are not in another sport (Domracheva). Johaug can hacksaw through soft snow and have way less resistance to content with than if Domracheva skis with a 35kg backpack on my 192 skis, keeping it silky smooth. You just poke the snow like it's a walking stick. Wider than 4cm is not for sale, wider that 192 also not. And most pros are in the 182-192 bracket. 5% length range! So the longest you can get seem to have preference. Advantage to short and light people.
In classic I suspect the low body weigh also helps. Less purchase required over the length of the grip zone to get sufficient push. And still a halla long ski to make for low drag.
The drag factor doesn't overcome air resistance in a fast downhill, Bjoergen types are visibly quicker there, mass/frontal area, but when just racing along, it's great to be light. And ski and policy makers act like one ski fits all, and no choice should be allowed. Or "there is no demand".
Still, I don't think the technical advantage Johaug IMO absolutely holds, makes her clean. It's liek other nations don't care about skiing, and have no culture. A ski nut nation is expected to be good, but not with such supremacy. Other nations are well committed, have good talents, and their technique is great.
I'm also not going to vouch for Kalla, BTW.