Headshot of Brian Dalek
Brian Dalek
Director of Content Operations Runner’s World & Bicycling

Brian has spent more than a decade focused on creating compelling news, health, and fitness content—with a particular interest on enthusiast activities like running and cycling. He’s coordinated coverage of major events like the Paris Olympics, Boston Marathon, New York City Marathon, and Tour de France, with an eye toward both the professional race and the engaging stories readers love. 

Headshot of Mallory Creveling
Mallory Creveling
Running in the Cold

Mallory Creveling is an ACE-certified personal trainer and RRCA-certified run coach, who also holds multiple other fitness certifications and regularly stays on top of her continuing education in the field. She has more than a decade of experience covering fitness, health, and nutrition for a wide range of publications, and she has nearly 10 years of experience as a trainer and fitness instructor. Mallory stays on top of the latest science in wellness, has worked with some of the best experts in their medical fields, and regularly interviews researchers, trainers, athletes, and more to find the best advice for readers looking to improve their performance and well-being.

As a freelance writer, Mallory's work appeared in Women's Health, Self, Men's Journal, Reader's Digest, and more. She has also held staff editorial positions at Family Circle and Shape magazines, as well as DailyBurn.com. A former New Yorker/Brooklynite, she's now based in Easton, Pennsylvania.