Runners World

Runners World

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Training science, injury prevention, recovery, and nutrition for runners.

How Much Time Should You Spend in Zone 2 Each Week? Experts Break It Down
NewsJun 3, 2026

How Much Time Should You Spend in Zone 2 Each Week? Experts Break It Down

Zone 2 training—low‑intensity, aerobic work—remains the backbone of most running programs. Coaches Mireille Siné and Marnie Kunz recommend the 80/20 split, allocating roughly 80% of weekly volume to zone 2 and the remaining 20% to harder intervals or tempo work. For runners...

By Runners World
I Tried the Goop That Makes You Run Faster (But Possibly Poop Yourself). It Worked.
NewsJun 2, 2026

I Tried the Goop That Makes You Run Faster (But Possibly Poop Yourself). It Worked.

Runner’s World senior editor Theo Kahler tested Maurten’s Bicarb System, a sodium bicarbonate supplement designed to buffer exercise‑induced acidity. He mixed the hydrogel‑encapsulated tablets 90 minutes before a 3K race, experienced no gastrointestinal distress, and finished 22nd in 8:59. The...

By Runners World
7 Training Hacks to Fight Fatigue and Hold Your Pace
NewsJun 2, 2026

7 Training Hacks to Fight Fatigue and Hold Your Pace

Runner’s World outlines seven evidence‑based hacks that help athletes push fatigue farther and maintain pace longer. Post‑run sauna sessions can improve time‑to‑exhaustion by about 12 percent, while brief daily plyometrics sharpen running economy. Mindfulness, targeted brain‑training, and strength work each add...

By Runners World
The Types of Workouts You Need to Train for a Marathon on Just 3 Runs a Week
NewsJun 2, 2026

The Types of Workouts You Need to Train for a Marathon on Just 3 Runs a Week

Ray Peralta, DPT, proposes a three‑day‑a‑week marathon training plan that emphasizes purposeful quality workouts instead of the traditional five‑to‑six‑day schedule. The regimen centers on easy runs, a weekly long run, and a tempo or interval session, while supplementing the rest...

By Runners World
Why Your Long Runs Leave You Wiped—And How to Bounce Back Better
NewsJun 1, 2026

Why Your Long Runs Leave You Wiped—And How to Bounce Back Better

Long-distance runs often leave runners feeling drained for days due to depleted glycogen, hormonal shifts, and muscle micro‑damage. Jeff Dengate and Aly Ellis explain how strategic nutrition, hydration, and active recovery can blunt post‑run fatigue. They also stress the importance...

By Runners World
Can Yasso 800s Really Predict Your Marathon Time? Experts Weigh In
NewsMay 31, 2026

Can Yasso 800s Really Predict Your Marathon Time? Experts Weigh In

The Yasso 800 workout, popularized by Runner’s World, claims a runner’s 800‑meter time predicts marathon finish time. Experts say the correlation is weak, offering predictions within about 15 minutes but lacking scientific backing. Coaches recommend treating the workout as a general...

By Runners World
Improve Your Running Gait for a More Powerful Stride
NewsMay 29, 2026

Improve Your Running Gait for a More Powerful Stride

Running gait— the leg’s cycle per step—varies among athletes, but certain patterns can sap power and raise injury risk. Experts from NYU Langone, Drexel, and Columbia outline five common gait categories: overstrider, collapser, bouncer, glute amnesiac, and weaver. Each pattern...

By Runners World
You Don’t Need to Overhaul Your Form to Better Your Runs. These Small Tweaks Lead to Bigger Results.
NewsMay 28, 2026

You Don’t Need to Overhaul Your Form to Better Your Runs. These Small Tweaks Lead to Bigger Results.

The article argues that runners don’t need a complete form overhaul to improve performance; instead, subtle adjustments can yield measurable gains in speed, efficiency, and consistency. It highlights low‑tech drills—relaxed hand positioning, a hammer‑swing arm drill, and metronome‑guided cadence work—as...

By Runners World
Can You Split Up Your Long Run?
NewsMay 28, 2026

Can You Split Up Your Long Run?

Marathon coaches Kara Dudley and Meg Takacs warn that breaking a long run into separate sessions undermines the physiological adaptations gained from continuous time on the feet. They stress that the primary benefit of a long run is sustained effort,...

By Runners World
I Never Skip This Workout in a Half Marathon Build. Here’s How It Builds the Speed Endurance Race Day Demands.
NewsMay 27, 2026

I Never Skip This Workout in a Half Marathon Build. Here’s How It Builds the Speed Endurance Race Day Demands.

Runner’s World author Kristine Kearns credits a recurring tempo‑long‑run workout for shaving minutes off her 2024 Philadelphia Half Marathon, where she posted a 1:46:16 finish. The session blends three easy miles, three tempo miles at roughly 7:40‑8:00 per mile, and...

By Runners World
Run Coaches Say These 3 Signs Mean You’re Ready to Increase Your Training Paces
NewsMay 23, 2026

Run Coaches Say These 3 Signs Mean You’re Ready to Increase Your Training Paces

Run coaches warn that most athletes run speed workouts too fast, limiting gains and raising injury risk. Kai Ng and John Mott explain that runners should match training paces to current fitness, using consistent pace hits, solid recovery runs, and...

By Runners World
The Workouts Behind Some of the World’s Fastest Marathoners—And How to Add Them to Your Schedule
NewsMay 22, 2026

The Workouts Behind Some of the World’s Fastest Marathoners—And How to Add Them to Your Schedule

Renato Canova, the coach behind elite marathoners Amanal Petros (2:04:03) and Emile Cairess (2:07:29), emphasizes a blend of high mileage and early race‑pace intensity. His four‑phase system starts with easy runs, hill sprints and strides, then progressively adds marathon‑pace volume, often reaching...

By Runners World
3 Nerve-Flossing Moves to Help Runners Ease Common Pain Points
NewsMay 20, 2026

3 Nerve-Flossing Moves to Help Runners Ease Common Pain Points

Nerve flossing, also known as nerve gliding or neurodynamic techniques, is gaining popularity among runners as a way to improve nerve mobility and alleviate pain from sciatic, tibial and peroneal entrapments. Physical therapists describe the method as gentle, repetitive movements—either...

By Runners World
What to Know About Gray Zone Training and How It Can Help—Or Harm—Your Running
NewsMay 20, 2026

What to Know About Gray Zone Training and How It Can Help—Or Harm—Your Running

The gray zone, also called zone 3, sits at roughly 75‑80% of max heart rate and feels like a moderate effort (RPE 5‑6). When used sparingly, it builds an aerobic base, improves fatigue resistance, and acclimates marathoners to race‑pace intensity without...

By Runners World
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