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cardio finisher

Female athlete performing mountain climbers on gym mat, strong core tension, knees driving toward chest
#84: 100 Mountain Climbers (Each Leg = 1 Rep)2025ArticlesCardio & ConditioningChallenges

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

This 100-rep mountain climber challenge spikes your heart rate and tests your core stability in a simple but savage movement…
Editorial TeamEditorial TeamMarch 25, 20252 min
Athlete mid-air during a double-under, skipping rope blurred in motion under feet
#76: 100 Jump Rope Double-Unders (Unbroken if You Dare)2025ArticlesCardio & ConditioningChallenges

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

A brutal test of timing, coordination, and conditioning. The 100 Double-Under Challenge will level up your cardio engine and sharpen…
Editorial TeamEditorial TeamMarch 17, 20254 min