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Athleta's 30 day plank challenge is designed to take you from a 20 second plank starting point, to an all out five minute plank, in 30 days. Start today!

Strengthen your core in just 30 days with the 30 Day Plank Challenge! Move through a series of 4 levels of regular plank and side plank and rock your hard core next month!

Strengthen your core in just 30 days with the 30 Day Plank Challenge! Move through a series of 4 levels of regular plank and side plank and rock your hard core next month!

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Levels for many types of planks. Master each level until you can hold it for 90 sec while keeping good form. Then level up!

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