20 minute workout - pure abs HIIT

No equipment needed for this 20-minute pure abs workout. Lose weight and improve your running speed.

This 20 minute HIIT session will work your abs and make your core stronger.

If you're game for more, try this 10 minute abs blaster HIIT workout, or give this 15 minute HIIT workout a go.

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Get fitter, stronger, faster with The Running Bug.

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