Efficiency, Nose Breathing, & Training Changes (Monthly Q & A)

This week, we answer listener questions about running efficiency and the connection to injury reduction, nose breathing, and how to change training during an existing season.

After that, we share world of running updates about the crazy Berlin Marathon world record and the USATF racing circuit.

For resources and details, visit https://atozrunning.com/episode208 

For training, coaching, and other services, visit https://atozrunning.com/coaching