Assault Fitness

Manual treadmills, air bikes, and a rowing machine are all available from Assault Fitness. The manual treadmills from the brand are unique in that they have a curved running surface and automatically adjust speed to match your effort. They're great for high-intensity workouts that will help you grow the muscles needed for speedier running.

Although Assault Fitness does not provide a streaming workout service, you can connect to the company's app to log your statistics and receive daily training ideas. All of the company's machines also come with pre-installed workout programs. Returns at Assault Fitness aren't free, so think carefully about whether this company's one-of-a-kind equipment is right for you.

Advantages of the product:

• Unique manual treadmill design
• Built-in workout programs
• Free daily workout ideas

View details: assaultfitness.com