The Kill Cliff Challenge

The Kill Cliff Challenge

The Kill Cliff Challenge. How many double unders can you do in 30 seconds?

CrossFit athletes use Post Workout Kill Cliff anti-inflammatory drink

CrossFit athletes use Post Workout Kill Cliff anti-inflammatory drink

CrossFit athletes use Post Workout Kill Cliff anti-inflammatory drink

CrossFit athletes use Post Workout Kill Cliff anti-inflammatory drink

CrossFit athletes use Post Workout Kill Cliff anti-inflammatory drink

The Kill Cliff Challenge