Our 30-minute Advanced Strength and Endurance (A & B) workouts are designed for runners following our RW Club 5K, 10K, ... but jump up and switch legs mid-air. Reps: 3 sets of 10-12 per leg. 2.

That's where the Airshield comes in. The air-deflecting shield itself is a wedge-shaped open-backed cart, the front and sides of which are covered in sheets of transparent plastic.

Today Pate has more than 10,000 customers in 58 countries, including more than 100 elite runners who use the Elliptigo to cross train, or add non-impact cardio hours to their training routine.