12 km/h or 15 km/h treadmill: which top speed do you need?
Last updated: January 2026
It is easy to focus on one number when comparing treadmills: 12 km/h or 15 km/h. In practice, the higher top speed is not automatically the better choice. Your intended routine, the amount of space you have and how regularly you expect to use the treadmill matter just as much.
When is 12 km/h likely to be enough?
- Walking and faster-paced walking as part of an everyday routine
- Gentle to moderate jogging
- Building a consistent routine as a beginner
- Prioritising a compact setup for a flat or home office
When does 15 km/h make more sense?
- You run regularly and want more speed in reserve
- You plan to include short, faster sections in interval sessions
- You expect to increase the pace of your training over time
Do not judge by maximum speed alone. Stability, comfort, the size of the walking or running area, cushioning and the space around the machine all affect whether a treadmill suits your home and routine.
A straightforward comparison
| Your main aim | Range to consider |
|---|---|
| More everyday walking or home-office movement | 12 km/h is often sufficient |
| Regular, steady jogging | 12 km/h or 15 km/h, depending on your intended pace |
| Faster running or intervals | 15 km/h offers more headroom |
| A machine you hope to progress with over time | 15 km/h may be useful if the size and format also suit your home |
Five questions to answer before you buy
- How often are you realistically likely to use the treadmill each week?
- Will you mainly walk, or do you also intend to run?
- Do flooring, sound and vibration need particular attention in your home?
- How important are the walking area, cushioning and overall stability to you?
- Do you need the faster setting now, or would a simpler setup make it easier to build a routine?
Next step
Compare the CITYSPORTS treadmill range by the way you intend to use it, then verify the current speed range and other specifications on the individual product page. You can also browse the CITYSPORTS buying guides for more help with walking pads and treadmills.
Frequently asked questions
Is a 15 km/h treadmill automatically better?
No. If you rarely plan to run at the higher speed, the extra headroom may not improve your day-to-day experience. A comfortable format that fits your home and routine can be more relevant.
Can a 12 km/h treadmill form part of a weight-loss routine?
It can be used for regular walking or jogging as part of a consistent activity routine. Changes in body weight depend on wider factors, so maximum treadmill speed on its own is not a useful promise or guarantee.
What else should I compare?
Look at the usable walking or running area, incline type, overall dimensions and intended use. If incline matters to you, read our guide to manual and automatic treadmill incline.