Kells McPhillips Author Headshot

Kells McPhillips

Kells McPhillips is a health and wellness writer living in Los Angeles. Her journalism has appeared in The New York Times, Well+Good, Fortune, Runner’s World, Outside, Yoga Journal, and others.

Kells McPhillips's Articles (16)

Woman does a strength training workout at home

Beginners

Should You Do Cardio or Weights First? An Expert Weighs In

Peloton member running outdoors

Run

How to Breathe While Running: Tips and Techniques to Breathe Easy

Runners during a marathon, about to hit the wall

Marathon + Racing

6 Expert-Backed Tips to Avoid Hitting the Wall During a Marathon

Woman running outdoors

Run

How to Do a Tempo Run—and Why It's an Essential Part of Your Training

Two women jog together, practicing zone 2 cardio

Cardio

Why Easier Efforts May Just Improve Your Cardiovascular Fitness

Woman runs outside on a track, how to increase vo2 max

Cardio

How to Increase Your VO2 Max to Level up Your Workouts