With its solid German engineering, the Kettler Marathon ST is a very durable treadmill. As well as the 6 built in programmes you can also use a compatible chest belt for a safe and effective workout. The large 1.8 HP motor gives this treadmill a top speed of 16 kph (10 mph) and a maximum incline of 12%. The well cushioned deck reduces the impact on you joints for a more comfortable run compares to road running.

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