Female athlete performing mountain climbers on gym mat, strong core tension, knees driving toward chest
#84: 100 Mountain Climbers (Each Leg = 1 Rep)

#84: 100 Mountain Climbers (Each Leg = 1 Rep)

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Athlete mid-air during a double-under, skipping rope blurred in motion under feet
#76: 100 Jump Rope Double-Unders (Unbroken if You Dare)

#76: 100 Jump Rope Double-Unders (Unbroken if You Dare)

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