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No more endless crawl-stroke laps!

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For awesome abs, just add water.

Our pool workout sculpts belly and back muscles a lot faster than boring laps do.

Above: Lipstick, Make Up For Ever Aqua Rouge in Iconic Red, $24.

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Bikini, TYR Sport, $50;TYR.com.

Thrust hips forward to swing weight up to chest level.

Immediately drop back to start; repeat.

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Do a ladder with a 15-pound kettlebell.

Reverse it.Do the last move again, continuing back to the first to finish.

Above: Top, Nesh NYC, $76;NeshNYC.com.

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Match up your leg speed to its beat using any upright stationary bike to torch five-oh-oh.

Legs like whoa.This routine’s mix of hills and heavy resistance earns you lean, toned thighsno bulk!

Above: Top, $129, and shorts, $84;ActiveAngelz.com.

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Sunglasses, RLX Ralph Lauren, $160;RalphLauren.com.

But you might do his custom version of the 45-minute sculpt-a-thon whenever.

Have 10-pound weights handy.

Above: Sports bra, Onzie Active Apparel, $42;Onzie.com.

Shorts, CA by Vitamin A, $58;JacksSurfboards.com.

Bracelet, UP by Jawbone, $130;Jawbone.com.

Watch, Puma, $90;Shop.Puma.com.

Sneakers, $180;Adidas.com

Your love-hate relationship with the treadmill is about to be all love.

Toggling between inclines, lunges on the belt and all-you’ve-got sprintervals makes 42 minutes fly by.

Trainer Mark Harari designed the plan based on his PulseTread cardio app.

Amp it up.The secret to hitting double-digit miles per hour: Lean slightly forward and pump your arms.

Burn 100 Calories in 10 Minutes

Photo Credit: Arthur Belebeau