Look up: fartlek

1. Fartlek
   Swedish for 'speed play,' a type of loosely structured interval training for runners, cyclists, and in-line skaters. It combines high-intensity segments with your regular training pace in order to build strength and speed.
   Found on http://www.encyclo.co.uk/local/20944
   
   
2. fartlek
   noun a method of athletic training (especially for runners) in which strenuous effort and normal effort alternate in a continuous exercise
   Found on http://wordnetweb.princeton.edu/perl/web
   
   
3. Fartlek
   (Swedish: `Speed Play`), approach to distance-running training involving variations of pace from walking to sprinting aimed at eliminating boredom ... [1 related articles]
   Found on http://www.britannica.com/eb/a-z/f/10
   
   
4. fartlek
   Swedish for "speed play;" variable pace running; a mixture of slow running, running at a moderate pace and short, fast bursts. Fartlek training is a "creative way" to increase speed and endurance.
   Found on http://www.runnersworld.com/article/0,71
   
   
5. Fartlek
   Swedish word for speedplay; workout includes faster running mixed with slower running; adds variety to training and can be performed in any setting
   Found on http://www.howtobefit.com/glossary-of-ru
   
   
6. Fartlek
   `Fartlek`, which means "speed play" in Swedish, is a form of interval training which puts stress on the whole aerobic energy system due to the continuous nature of the exercise. The difference between this type of training and continuous training is that the intensity or speed of the exerc...
   Found on http://en.wikipedia.org/wiki/Fartlek