Race Day: Pacing Tools

Timex Ironman Global Trainer, £299

The GPS provides constant data on how fast you're going, making it easy to run an even pace. (timex.co.uk)

Nike+ iPod Sport Kit £22

This pedometer records your pace using a chip in your shoe, while letting you match your stride to the rhythm of the music. (nike.com)

RunKeeper (Free)

This user-friendly app utilises your iPhone or Android's GPS function to provide ongoing feedback about your pace. (runkeeper.com)

Marathon Pace Band (Free)

Make sure you stay on target during your race with this personalised pacing wrist band. Create yours at runnersworld.co.uk/paceband.