There are two main types of speed and distance monitors for runners: GPS-based models (that use satellites to track your movement); and models that use foot-pods on your shoelaces to measure acceleration and deceleration like a space-age pedometer.

Both can be phenomenally accurate in the right circumstances. GPS models have the advantage of not needing calibration – but they don't work brilliantly in built-up areas or under trees. Pod-based models work wherever you are, though for maximum accuracy they do need adjusting to your own footstrike, and they can be susceptible to extreme changes in underfoot conditions.

Either way, they're loved by increasing numbers of runners – and the models in this top-of-the-range section include heart rate monitoring functions.


There are 4 products
Name | Year Price Our Score Your Score
Garmin Forerunner 910XT
Garmin Forerunner 910XT
Year: 2011 
£389

2 reviews
Garmin Forerunner 305
Garmin Forerunner 305
Year: 2009 
£293

239 reviews
Garmin Forerunner 405
Garmin Forerunner 405
Year: 2009 
£229

127 reviews
Polar RS800SD
Polar RS800SD
Year: 2009 
£319

9 reviews
There are 4 products

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