How Slow Running Can Make You Faster - The Planted Runner
How to Run Like a Girl - Well Guides - The New York Times
Yes, Men Run Faster Than Women, but Over Shorter Distances and Not by Much - Neuroscience News
Why Can't My Child Run Very Fast? - Sole Motion Podiatry
Running Against the Clock: Female Athletes Often Slowed by Puberty | SportsEngine
Sanya Richards-Ross, 2012 Olympics: Does hair slow you down? Assessing the impact of an enormous mane.
How Slow Running Can Make You Faster - The Planted Runner
Women Are Faster Long-Distance Runners Than Men, Estrogen May Be Why
You're Running Too Fast: How Slowing Down Can Help You Speed Up | Fleet Feet
How to Run Like a Girl - Well Guides - The New York Times
Many children 'slower runners than their parents were' - BBC News
Navigating the Changes in the Female Body - Chicago Athlete Magazine
Hal Higdon on Twitter: "Do long runs 30-90 seconds or more slower than race pace. Running long at race pace is like doing a race a weekend, self-destructive. Even the Kenyans don't
Why You Should Run Slower – Trail Run Planet
How to Run Like a Girl - Well Guides - The New York Times
Why you're running slower lately and how to fix it. - Not Your Average Runner
Kids today run slower than their parents: study - Capital Lifestyle
Why can't girls run as fast as guys? - Quora
Running Advice for Overweight Runners
Why Do Men Speed up When Running With Women? | Runner's World
How Fast Can a Human Run? Plus, How to Run Faster
The science behind why runners slow down with age
Why Do Men Run Faster Than Women? | Live Science
The Benefits of Running Slow | ACTIVE
You're Running Too Fast: How Slowing Down Can Help You Speed Up | Fleet Feet
How A Slow Start Could Help You Win The Race - Fitbit Blog
Do women get slower with age? - Girls Run The World - Blog