If your runs feel effortless some days but others leave you gasping for air, your breath might be the culprit. Although performance can also be affected by factors like diet, amount of sleep , and overall stress levels, learning how to breathe while running can make a major difference in your stamina and mindset. With so much to focus on, your breath is one of the things that often falls to the wayside, especially for new runners , according to running coach Marci Braithwaite.

To help you learn more about proper technique, we asked running coaches for their best running-specific breathing tips . Read on to see how to breathe more easily (as recommended by certified running coaches), and get a better sense of how breath relates to running in the first place. Marci Braithwaite is an RRCA/USATF-certified fitness specialist and running coach.

Ashlee Green is an RRCA-certified running coach and co-founder of RUNGRL . Amanda Katz is an RRCA-certified running coach and NASM-certified personal trainer. Why Your Breath Matters "I coach new runners, runners in larger bodies, and runners at the back-of-the-pack," Braithwaite says.

"New runners have so many things to consider as they get started, and effective breathing techniques are one of the harder skills to master," she adds, noting that it's important for runners to spend more time focusing on themselves so they can avoid common mistakes like running too fast . "It is so important for runners to pay more attention to their own prog.