The Zenith Journal

Some of us LOVE hill running, and some of us would be happy to never encounter another incline. Regardless of how you feel about them, hills are great for you, and are a staple feature of the upcoming Butte to Butte 10k. Let’s break down the benefits of running hills, as well as some tips you can implement to make the most of hilly runs and races.

Understand the limitations of heart rate training and uncover factors that influence HR variations to optimize your running performance.

Learn how heart rate zones monitoring can enhance training, guide effort levels, and improve performance with this comprehensive...

Discover the science behind lactate threshold training! Learn its benefits, methods, and how top athletes like Jakob Ingerbritsen optimize p