What is Hybrid Racing? Athx the link between Crossfit and Hyrox?

Hyrox training or competing at Crossfit? The you are probably aware of Hybrid racing, but what really is it? How do we test, measure and improve it?
In this video I compete at the Athx Games and run through how to improve your overall performance when it comes to hybrid racing. #hybridathlete #hyrox #crossfit