PLUS: What you need to succeed in running. The ice bath cure: Yes, it really works. You better believe it — females have more endurance than males. Why you must avoid midlife weight gain. And much more. — How to train like the Norwegian superstars We have entered the era of Norwegian training. This follows on the heels, historically speaking, of Finnish training (Nurmi et al), Swedish training (fartlek), German training (intervals), New Zealand training (Lydiard, Peter Snell) and perhaps Kenyan training, though that one’s a bit hard to pin down.