Running blog

Trail Running Shoes vs Road Shoes: When You Act...

On easy, dry paths your road shoes can do to get started. On technical terrain they can't. The three differences that matter (grip, protection and hold) and why trail shoes...

Trail Running Shoes vs Road Shoes: When You Act...

On easy, dry paths your road shoes can do to get started. On technical terrain they can't. The three differences that matter (grip, protection and hold) and why trail shoes...

Heart Rate Zones for Beginners: Is Your Watch T...

Age-based formulas aren't your zones, and your watch's "VO2 max" isn't a measurement. How accurate wrist heart rate is when running, a simple way to find your own easy zone,...

Heart Rate Zones for Beginners: Is Your Watch T...

Age-based formulas aren't your zones, and your watch's "VO2 max" isn't a measurement. How accurate wrist heart rate is when running, a simple way to find your own easy zone,...

The 10% Rule in Running Is a Myth. Here's What ...

"Never increase weekly mileage by more than 10%" has been repeated for decades, but the research doesn't back it up well. What two studies found, the single-session signal worth watching,...

The 10% Rule in Running Is a Myth. Here's What ...

"Never increase weekly mileage by more than 10%" has been repeated for decades, but the research doesn't back it up well. What two studies found, the single-session signal worth watching,...

How Often Should You Replace Running Shoes? Why...

Everyone repeats 300–500 miles, but the range is so wide it barely means anything. Four signs to track instead, what the research does and doesn't say, and how to make...

How Often Should You Replace Running Shoes? Why...

Everyone repeats 300–500 miles, but the range is so wide it barely means anything. Four signs to track instead, what the research does and doesn't say, and how to make...

Does Running Ruin Your Knees? What a Study of 1...

It's one of the most common worries for new runners. A meta-analysis of more than 100,000 people found less hip and knee osteoarthritis in recreational runners than in sedentary people....

Does Running Ruin Your Knees? What a Study of 1...

It's one of the most common worries for new runners. A meta-analysis of more than 100,000 people found less hip and knee osteoarthritis in recreational runners than in sedentary people....

How Much Caffeine Before a Race? The Dose That ...

Caffeine can make a race feel easier, but it isn't fuel, and more isn't better. The range that usually helps, the math for your body weight, and why caffeinated gels...

How Much Caffeine Before a Race? The Dose That ...

Caffeine can make a race feel easier, but it isn't fuel, and more isn't better. The range that usually helps, the math for your body weight, and why caffeinated gels...