FIT50 (1)

Sports Illustrated's Fittest 50 2021

What happens when you level the playing field and compare athletes of all shapes and sizes in disparate sports? Presenting SI's 2021 Fittest 50 rankings.

Recent Stories

Memorial for the Boston Marathon bombing

Court May Reconsider Marathon Bomber's Death Sentence

The Supreme Court said it will consider reinstating the death sentence for Boston Marathon bomber Dzhokhar Tsarnaev.


Boston Marathon Icon Dick Hoyt Dies At 80

Dick Hoyt and his son, Rick, became Boston Marathon fixtures for over three decades beginning in 1980.

The start of the 2019 Boston Marathon in Hopkinton, Mass.

2021 Boston Marathon Set for October 11

The 2021 Boston Marathon now has a fall date if road races are allowed to take place as part of the Massachusetts reopening plan.


Emily Harrington Conquers El Capitan in Less Than 24 Hours

Harrington becomes the first woman and fourth person to accomplish the Yosemite climb.


Paddy Steinfort and the Craft of Mental Performance Coaching

As more athletes prioritize mental health and performance, they draw on experts like Paddy Steinfort for a burgeoning brand of cognitive coaching to help with mental skills.


Inside Jay Schroeder's The Evolution Code

For more than 40 years, Jay Schroeder has worked with elite athletes across nearly all sports. But you don't have to be a pro athlete to benefit from Jay Schroeder's nervous system training program, The Evolution Code. Here's how you can apply his training principles and move more efficiently and effectively in your everyday life.


Reflections from Tommy Rivers Puzey's Brother, Jacob

Tommy Rivers Puzey, a well-known trail runner, ultramarathoner and physical therapist to top runners in Flagstaff, Ariz., has been hospitalized since July after being diagnosed with a rare and aggressive form of cancer. As support from the running community pours in, his brother Jacob Puzey reflects on the 35-year-old's impact and inspirational life.

Dzhokhar Tsarnaev sentenced to death for Boston Marathon bombing -- IMAGE

Boston Marathon Bomber's Death Sentence Overturned By Court

A federal appeals court on Friday overturned Dzhokhar Tsarnaev's death sentence for his role in the 2013 Boston Marathon bombing.

The start of the 2019 Boston Marathon in Hopkinton, Mass.

2020 Boston Marathon Canceled, to be Held Virtually

The Boston Marathon has been canceled for the first time in its 124-year history.


Quarantine Backyard Ultramarathon Ends After 262 Miles, DQ

Pro ultramarathoner Mike Wardian won the last-man-standing race after completing more than 262 miles in 63 hours.


David Kilgore Runs 100 Miles in One Day

Kilgore has raised over $10,000 to help New York City small businesses and healthcare workers.


Workout Weapons: How Pro Athletes Get an Edge

So you want to train like one of the world's fittest athletes? Learn how some of SI's 2020 Fittest 50 athletes get an edge on the competition—and how you can incorporate their methods into your life, too.


Mikaela Shiffrin's Training Secrets Will Surprise You

The alpine ski racer is known for her high-energy workouts and intense training schedule, but she counts on two very basic strategies for success: dozes and data.


Fridge Raider: Inside the Diet of Ultra-Marathoner Jim Walmsley

How does one fuel the body before—and during—a 100-mile run, day after day? Ultra-marathoner Jim Walmsley shares his dietary habits and tricks for going the (ultra) distance.