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Karma Police
RE: Jakob Ingebritsen 15y, 3.42.44 on 1500 today
he is clearly properly trained, probably doing adult workouts.

By the photos, he is Tanner stage 5 - taller than one of his brothers and fully developed.

It will be interesting to see how much he improves. With teenagers who are already training like adults, will they only have small incremental adult improvements? Does he still have some of the big improvements you get at 15 left?

Should a 15yo be training that much?

All remains to be seen.

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