Fartlek Sprinting Intervals

Fartlek Sprinting intervals is an unstructured interval session which basically involves riding along and doing some short, sharp intervals at appropriate time periods. The main idea is to try and make really hard intervals a little more interesting and fun. Fartlek was developed in Sweden and simply means ‘speed play’. It was used by the [...]

Source: http://cyclinginfo.co.uk/blog/5959/training/fartlek-sprinting-intervals/

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