You could run a mile…or get creative.

Try any of these fun ways to squeeze in a calorie-torching workout, indoors or out.

*Calorie burn based on a 135-lb.

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Woman running along in Berlin city.

Mix stairs and burpees.

But that doesn’t mean you should probably do the same thing at the same intensity the whole time.

“Intervals work better at blasting calories than steady-state exercise,” she says.

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Climb a rock wall.

You’ll also earn you a toned butt and sexy, sculpted legs.

Take a spin.

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Score a gooooal!

Pair dumbbells and plank jacks.

“Most women can handle 10 to 15 pounds in each hand,” she says.

spinning in a gym

Hold them at your shoulders and doseven squat pressesit should take you between 20 and 40 seconds.

Then take the rest of that minute to rest and recover.

Again, do seven reps, and spend the remainder of that minute resting.

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Repeat the sequence 10 times.

Jump rope.

“Every minute, go again and take a stab at top your previous count.”

plank in gym

Step it up.

Choose a 10- to 12-inch step platform and you’ll sizzle about 107 calories in 10 minutes.

No Step class at your gym?

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Then add in five explosivebox jumpsevery minute, on the minute, to really get your heart rate up.

Throw some punches.

For the best overall workout, look for classes that emphasize cardio, rather than just boxing technique.

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(Want to burn even more?

Add a 15-pound kettlebell to the mix and try ourkettlebell-kickboxingworkout to burn 300 calories in just 22 minutes.)

Try plyometrics.

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Add sprints to any cardio.

Find a hill, Lee suggests, and sprint up it for 15 seconds.

Take 45 seconds to recover slowly back down; repeat 10 times.

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