But how many of us have gone out and said “I’m doing a fartlek today” and actually followed through with it? The original idea is that the workout is unstructured (the name means “speed ...

Fartlek (Swedish for ‘speed play’) is one of the most common training sessions I use with my athletes. The history of fartlek training dates back over 80 years, when coaches and scientists ...

Sometimes simplicity brings the best results, which is why runners in the know are adding “fartlek” training to their routine. A Swedish word meaning “speed play”, fartlek is an ...

Fartlek is a Swedish term for “speed play.” This informal version of interval training is simple, effective and dare we say … enjoyable? And not just because "fartlek" is fun to say ...