acid from your muscles, but short enough to keep things challenging", says Anderson. Beginners should do three or four reps; advanced runners can do up to 10. Measure the distance using GPS or, if you listen to music, try hitting 5K pace during one song

Day 1Day 7RestTotal Time: 2 hours 10 minsWeek ThreeDay 140 mins fartlek (speedplay - fast and slow running at random in a normal run)Day 2RestDay 3Jog or walk/jog 20 minsDay 4RestDay 5Repeat Day 1Day 6Repeat Day 3Day 7RestTotal Time: 2 hoursWeek Four

Speed, like weight loss, is a simple concept. The only way to run faster is to run faster. What that means in practice, especially for a beginner, is moving from a single-speed run to variable paced training. This is initially difficult because

’ve already mentioned this several times, but it can’t be over-emphasised. All runners, from beginners to veteran marathoners, would like to run longer and easier. The R/W system gives you a new tool to achieve this. Does it come at a cost? Sure. Your overall