Adidas Has a New “Illegal” Shoe. But Who Is It For?
Due to stack height regulations, pros can’t race in the new Adizero Prime X. But it’s fair game for amateur runners—we asked a few of them how they’d feel about competing in it.
Author
Martin Fritz Huber
Martin Fritz Huber writes Outside’s In Stride column.
My Stories
What’s Sifan Hassan’s Secret? Restlessness.
The most prolific athlete at this year’s World Championships was also the most fun to watch
How Alexi Pappas Reinvents Herself
The track star turned filmmaker turned ultrarunner reflects on her ever-evolving relationship with the sport
How Maegan Krifchin Ran Three Marathons in a Month
What the rest of us can learn from the wildly durable Atlanta Track Club runner
How Strava Fame Became a Burden for Molly Seidel
The star runner’s decision to be less public on the app illustrates how pro athletes have to find a tricky balance between privacy and exposure
Who Pooped on the Track in Sedona? The Running World Needs to Know.
A very niche scandal at an Arizona high school takes the debate about running etiquette to another level