All posts by Corrine Malcolm

Corrine Malcolm

is a self-proclaimed ultra nerd running for Adidas Terrex as well as a coach.

Is Ultrarunning Too Much of a Good Thing?
Is Ultrarunning Too Much of a Good Thing?
on October 19, 2021

A scientific review of the effects of ultrarunning on various body systems and for different runners.


What the Heck is Heart Rate Variability?
What the Heck is Heart Rate Variability?
on September 21, 2021

iRunFar digs into the details and implications of heart rate variability for endurance runners.


Emergent Scientific Research on Mental Health in Ultra-Endurance Sports
Emergent Scientific Research on Mental Health in Ultra-Endurance Sports
on August 17, 2021

New data are emerging about the mental health of ultra-endurance athletes.


Pacers: The Science Behind the Ultra Luxury
Pacers: The Science Behind the Ultra Luxury
on July 20, 2021

The physiological and psychological benefits of having a pacer.


Running on Science: Fact or Fiction, Part 4
Running on Science: Fact or Fiction, Part 4
on June 15, 2021

The Running on Science column uses current scientific understanding to address three running myths.



Does CBD Enhance Endurance Sports Performance?
Does CBD Enhance Endurance Sports Performance?
on May 18, 2021

The science of CBD, or cannabidiol, and endurance sports performance.


How to More Safely Run Races During COVID-19
How to More Safely Run Races During COVID-19
on April 13, 2021

Science-based recommendations for more safely running and traveling to races during COVID-19.


Self-Efficacy: The Science of Your New Running Superpower
Self-Efficacy: The Science of Your New Running Superpower
on March 16, 2021

The science of how strong self-efficacy can help you run well.


Unlocking Female Performance in Ultramarathons
Unlocking Female Performance in Ultramarathons
on February 16, 2021

What parts of female physiology help and hinder ultramarathon performance?


Drained: Don’t Let Mental Fatigue Hold You Back
Drained: Don’t Let Mental Fatigue Hold You Back
on January 19, 2021

The science of mental fatigue’s effect on endurance running.