HYROX Intel

Perspectives on the sport. Written by our Athletes, and our Founders.

Hyrox Intel

Zone 2 and Fat Adaptation: Fuelling the Second Half of Your Race

Zone 2 training improves fat adaptation — your ability to burn fat for fuel at higher intensities — which is what spa... more

How BLUEPRINT Sizes Your Zone 2 Volume to Your Life

THETA BLUEPRINT sizes your Zone 2 volume to your life by taking your available training days, current fitness and rec... more

Heart Rate vs Feel vs Pace: Three Ways to Police Zone 2

There are three reliable ways to keep your easy runs genuinely easy: heart rate (roughly 65–75% of max), feel (the ta... more

Why Zone 2 Makes Your Hard Sessions Harder (in a Good Way)

Zone 2 makes your hard sessions harder in a good way because a bigger aerobic base lets you produce more power before... more

Can You Build a HYROX Engine on Three Runs a Week?

Yes, you can build a genuinely competitive HYROX engine on three runs a week — provided each run has a clear job and ... more

Zone 2 on the SkiErg and Row: Engine Building Beyond Running

You can build a HYROX engine on the SkiErg and rowing machine as well as on your feet — Zone 2 aerobic work transfers... more