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Ashley Mateo

Ashley Mateo is a writer, editor, and UESCA- and RRCA-certified running coach who has contributed to Runner’s World, Bicycling, Women's Health, Health, Shape, Self, and more. She’ll go anywhere in the world once—even if it’s just for a good story. Also into: good pizza, good beer, and good photos.
a runner taking a deep breath by a river

What are fast finish runs and are they the secret to a new PB

Yes, exercising does raise your levels of the stress hormone – but that's not necessarily a bad thing

06 March 2024
two runners walking on a path after a run

Does running actually build muscle

Stress can have a sizeable impact on your running performance – so learning how to manage it is a skill worth having

05 March 2024
2022 tcs new york city marathon

Abbott World Marathon Majors: Which one is the hardest (and easiest)?

While some marathon runners may disagree, here’s what the data says...

21 February 2024
a group of people running

Runners World, Part of the Hearst UK Wellbeing Network

The rhythm of your stride is unique to you – but it could affect your running performance

19 February 2024
Fun fact: The more you run, the less youll sweat
Fun fact: The more you run, the less youll sweat
Fun fact: The more you run, the less youll sweat