Founded in Germany in 2017 by Christian Toetzke and Olympic hockey champion Moritz Fürste, Hyrox has become one of the fastest-growing fitness races on the planet. Nike Hybrid RN Nike Nike Hybrid RN NikeAs Hyrox has grown, the sneakerverse has become almost as competitive as the race itself. Finally, after watching from the sidelines for a while, Nike has decided it's time to join the party. The Hybrid RN is your everyday trainer, built around ReactX foam and an Air Zoom unit for daily sessions. The Hybrid Fly, meanwhile, is the proper race shoe.