March 2021

Jim Walmsley leaves it all on the course as he approaches the finish line of the Project Carbon X 2 100K in Arizona. He finished in 6:09:26, missing the world record by just 12 seconds. Photo courtesy HOKA ONE ONE

Features

Don’t F*ck It Up

Amy Clark

Growing as a Runner

Ian Sharman

Psychobiological Model of Fatigue

Jason Koop

So You Want to be an Ultrarunner?

Meghan Canfield

Easy Like Spring Training

Sean Meissner

Let Me Repeat That for You

Matt Laye

Reflections From Our Time Away

Pete Kostelnick

Running After COVID-19

Tracy Hoeg, Md, Phd

Finding Purpose

John Trent

Faces Across America

Gary Cantrell

Spring Running Bra Review

Donald Buraglio Amy Clark Giana Buraglio Tiffany Clayton Melissa Gunner Shel Johnson

Fastest Known Times of the Year

Buzz Burrell

The Unsung Heroes of Ultrarunning

Cory Reese

Fit to Continue

Jeff Kozak

Training Versus Maintaining

Dean Karnazes

Know Your Motivators

Sarah Lavender Smith

Embracing Transition

Lucy Bartholomew

I Am an Ultrarunner Van Phan

Erika Hoagland

Feature Races

Project Carbon X 2

Jeffrey Stern

The Falls 100

Gary Dudney

Guana River

Mark Ryan

Long Haul 100

Jodi Weiss

Tunnel Hill 100

Steve Durbin