Cross-country skiers train lots, but often very easily, with minimal changes in aerobic principles based on distance raced in endurance events. What does it mean for runners?
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You can get strong and support faster running on just a few minutes a day.
Do a lot, but don't do too much.
There are 4 physiological reasons why consistent runs have an oversized effect on long-term growth. On a tough day, even 10 or 20 minutes can be plenty to spur progress.
Are the watch estimates correct? And how much do they matter?
A July 2021 study found that hormone levels throughout the menstrual cycle can affect heart-rate variability and resting heart rate. What does that mean for training?
Adding tempo running before or after intervals can contribute to major fitness gains during training builds.
Road marathons are a unique beast. Here's how you can adapt big, sexy marathon workouts for your next trail race.
There are two things to think about when deciding whether or not to run an ultra: physical preparedness and psychological motivation.
The July 2021 study found that level, uphill, and downhill running economy are correlated except at the steepest grades. What does it mean for training?
There's so much to think about before a race. Some things are important, and others really, really aren't. Here's what you should focus on.
The principles of this 8-week intermediate/advanced plan can improve speed and endurance even if you don’t plan to road race.
Hills are jerks, but the right training will prepare you for any climb. Here's how to make every mountain feel like a molehill.
Ultramarathons lay bare every element of the human experience, and an aid station in one of the most famous 100-mile races shows that.
For the second time in a year, he reset what anyone thought was possible on the route.
Eating enough food can be a high stakes game for athletes, as undereating can lead to negative impacts on fundamental body processes.
Recovery is a critical part of training, because that's when adaptation from all your training happens.
As runners, we sometimes forget that upper body training exists. But training your upper body can make you faster with just two moves.