While maturity can increase mental strength and some runners even improve with age when taking on endurance events, we all slow down somewhat with each lap of the sun. Much of this is down to a ...

Iowa Army National Guard soldiers participate in the sprint-drag-carry event during an Army Fitness Test at Camp Dodge Joint Maneuver Training Center in Johnston, Iowa, Sept. 12, 2025. (Sgt. Ruth ...

VO2 max may get most of the attention when it comes to improving fitness levels, but if you want to get better at running longer distances, it’s really your running economy that matters. Running ...

HIIT is not the only or the best way to improve your cardio endurance and heart health. Steady, repeatable exercises can improve heart health and lung capacity. Many low-impact endurance workouts are ...

"Running economy" has a lot of buzz around it right now. When I asked a running coach (who happens to be a good friend) what separates two athletes with identical cardiovascular fitness, they pointed ...

There comes a time in every runner’s life when it’s time to kick things up a notch. That means one thing and one thing only: interval training. There’s a reason loads of runners don’t like intervals.