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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.

On TikTok, workout tips abound — some credible, some dubious. And recently, you may have been hearing about something called sprint training, which falls somewhere between 12-3-20 treadmill workouts ...

There’s a lot of talk in the exercise world about high intensity interval training (HIIT) lately, which is exactly what it sounds like — alternating episodes of exercise with periods of less intensive ...

I used to train with a group that spanned the spectrum from milers to marathoners, all at a similar competitive level. For large stretches of autumn and winter, we could all train together in some ...

If you really want a workout, try interval training. Nearly every gym now offers what’s called high intensity interval training, or HIIT; sessions involve pushing yourself to nearly your peak heart ...

If you decide to start following a structured training plan to improve your running or aim for a target race, you’ll probably soon come across the term ‘interval training’ . But if running is still ...