Nothing screams "leg burner" like a hill workout. Running -- and even walking -- up hills has profound fitness benefits.

The Japanese walking method has taken off online, with some users claiming it’s even better for you than walking 10,000 steps ...

The higher intensity sessions will raise your heart rate, helping you work on your endurance and cardiovascular fitness. Over ...

Whether you’re just getting started or training for a race, try these treadmill workouts to help boost your cardio fitness.

There seems to be a new walking workout trend doing the rounds on a weekly basis, so much so that it can be a challenge to ...

For fartlek runs, you alternate faster and slower paces. While there are a variety of ways to include it, an example would be running fast for 1 minute, slow for 4 minutes, and repeating 5-10 times.

'5-2-4' Fartlek Walking Workout: By incorporating fartlek training, this walking workout will deliver the cardio boost you're looking for, without any running.

Do these fartlek workouts once or twice a week—so long as the rest of your weekly mileage is mostly easy—to help you get faster and stronger. 1. 30/60 Workout Why it works: This workout improves both ...

Fitness I tried this 3-2-1 walking workout — and it boosted my energy level and my mood Fitness This "5-2-4 Fartlek" walking workout is my new obsession — here's why Fitness I tried the 6-6-6 ...

Zone 2 cardio training is somewhere in between and is "aerobic exercise that is considered light to moderate in terms of intensity," says Dr. Carrie Jaworski, a sports and exercise medicine ...