A treadmill at home makes training both easier and more fun. The resistance is generated by a belt that you can easily adjust if needed.
From TJ Hughes
HOMCOM 600W Foldable Steel Motorised Treadmill Running Machine w/ LCD Monitor Black | TJ Hughes
The Range
Foldable 600W Motor Treadmill Fitness - Black
Robert Dyas
HOMCOM 600W Foldable Electric Treadmill With Safety Lock Led Screen Black