The Nike Vaporfly 4% could be your next track spike

The Nike Vaporfly 4%, primarily considered a distance shoe, could have a place on the track

NYC defending champ Geoffery Kamworor says Vaporfly 4% isn’t an advantage

Kamworor says it’s all about preparation

Is the Vaporfly 4% too good?

Some are suggesting that the Nike Vaporfly 4% gives runners an unfair advantage and should be banned