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Get out of your slump and hit your new PR with this HIIT treadmill workout.

speed) if you commit to a consistent routine.

Woman running a HIIT treadmill workout

Photo: EmirMemedovski/Getty

That’s where a HIIT running workout comes in.

Integrating high-intensity interval trainingcommonly referred to as speed work in the running worldcan be a total game-changer.

Plus, your muscles will also become better at using that oxygenated blood.

HIIT Treadmill

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(You’ll also scorethese benefits from HIIT training.)

End result: you’ll be able to initiate the same distance in less timehello new personal record!

Check out Tuttle’s HIIT running workout that helps runners amp up their speed below.

(And check out thesedifferent types interval running workoutsfor when you want to switch it up.)

(Gotta say, though, this30-day treadmill challengeis actually fun.)

“Focus on maintaining a tight core while driving knees up and arms back.

The steeper the incline, the bigger the drive.

This will translate to speed when you’re back on flat ground.”

If you want to walk during those recovery periods, go for it.

Roughly halfway through the HIIT treadmill workout, you’ll hit the descending speed ladder.