Training
Climate Change Is Rewriting the Marathon Calendar
Climate Central finds 46 of 51 U.S. marathons face shrinking odds of ideal race-day temperatures. Here's how organizers and runners are adapting.
Build the engine
Training
Sessions, pacing, fueling, and planning for road runners chasing a stronger PR.
Training
There Is No Standard Running Form
Reviews find many biomechanical patterns produce similar economy. What matters is managing knee load, respecting fatigue, and reading your own data.
Training
Why Heat Slows You Down—and Why It Pays Off This Fall
Cardiovascular drift and falling plasma volume explain summer pace loss. Train by effort, adapt safely, and bank fitness for cooler race weather.
Training
80/20 Running, Without the Mythology
Why strong runners keep most training easy, what the 80 percent actually measures, and how to use the idea in a normal week.
Training
Mileage Up, PR Stalled? Audit Your Fueling Before Adding More
When more training stops producing faster races, carbohydrate availability and total energy intake deserve the same scrutiny as the schedule.
Training
Progression Runs: Finish Fast Without Racing the Workout
A controlled progression run teaches pace judgment and fatigue resistance without turning every long run into a race.
Training
Do Marathoners Need Short Intervals?
Short reps can improve speed reserve and running economy, but only when they solve the problem your marathon training actually has.
Training
Strength Training for Runners: Two Sessions That Earn Their Place
A practical twice-weekly strength framework built around heavy, simple movements instead of endless corrective exercises.
Training
Use a 5K or 10K Test to Adjust Goal Pace—Carefully
A standardized test run can update your training paces without turning one good day into an unrealistic marathon target.