Fartlek Training : What is it and Why You Should Do It

Fartlek Training : What is it and Why You Should Do It

Besides having the best name in all of running workouts, fartlek training is also fun to do. The Swedish word means “speed play” and that’s exactly the intent of these workouts.

What is Fartlek training?

Fartlek runs literally refer to playing around doing different speeds in an unstructured manner. It was first developed by Swedish coach Gösta Holmér, after World War II, as a way of combining speed and endurance in one training session.

It teaches your body to incorporate varying speeds into a run, which can come in handy at the end of a race or during certain sections of a race when you want to take advantage of a downhill or realize you need just a few more seconds to crush that race goal.

Those portions of fast running are not long intervals, they are short.

For this reason, fartlek runs allow the runner to have a lot more control over their training sessions. By picking and choosing to mix a wide range of paces and lengths for your faster efforts, it allows you to become more in tune with running.

Fartlek Runs vs. Interval Runs vs. Tempo Runs – What’s the Difference?

If you feel that fartlek runs sound a lot like interval runs and tempo runs, I don’t blame you.

A fartlek is actually a type of interval run that incorporates short speed pick ups.

There are still some key differences between these, including the fact that fartlek is much more unstructured than intervals or tempo runs.

As you can see, fartlek almost combines the two in an unstructured way into one training session. The goal is to keep it flexible and run by feel rather than setting strict guidelines that you have to follow.

5 Benefits of Fartlek Training

Fartlek training can really improve the way you train and condition your body and mind.

Here are some of my favorite benefits and then I’ll give you some specific workouts to try.

Great Way to Incorporate Speed Training

Fartlek training is an ideal way to work on speed training because it’s less intimidating for many new runners than strict intervals and more fun for long-time runners to break up high mileage weeks.

By not having a structured way to go about it, you’re able to learn how to push yourself based on your current energy levels, rather than being focused on hitting a specific pace. This often leads to a more successful workout when it’s hot or you’re tired.

Adds Variety and Fun

Fartlek is all about playing around, with varying speeds and incorporating it into your training session at random moments, in turn, reducing the boredom you might feel creep up occasionally during endurance training.

Preps You for Race Day

Fartlek runs teach your body to incorporate varying speeds into a run, which can come in handy at the end of a race whether you’re training for a 5K or a half-marathon.

Imagine those sections of a race when you want to take advantage of a downhill or realize you need just a few more seconds to crush that race goal, and your body remembers times when you’ve randomly asked it to go hard before.

During a race, there’s no stopping to rest between hard efforts. Fartlek runs allow you to continue running without needing a break like you might from a full-on track effort. In this way, they train your mind and body to show up on race day.

Understand Paces Better

Not only does it allow you to practice shifting between different paces, but it also helps you better learn what easy or recovery paces feel like after pushing hard.

By adding a variety of paces into one training session you get to run by feel and understand how your body is feeling at any given moment.

As you shift between paces, you’ll notice how your stride changes and what your body feels like. This becomes more helpful during structured intervals when you might have less recovery time and want to hit the same effort for each rep.

Gives You More Control

Fartlek training allows you to have more control of your speed workout, and to become more attuned with your body.

Fartlek runs give you an opportunity to still incorporate some speed work, rather than just settling in to an easy run.

Suddenly you are actively making decisions about the pace you want to run.

Tips on How to Incorporate Fartlek into Your Training

Thanks to the unstructured nature of fartlek, there really is no right or wrong when it comes to incorporating them into your training sessions.

If you’re confused about how to incorporate them, here are a few tips:

Run from one landmark to another, use the terrain by running faster till you get to the top of the hill, use telephone poles, and run at a faster pace from one pole to another, returning to a normal pace afterward – you get my point.

If you’re still wanting to know more, I have some sample fartlek workouts for you to get started!

7 Example Fartlek Workouts

As noted there is no set recovery period, so you’ll simply go back to an easy run effort between each repeat.

Sometimes you need to ditch the watch and STOP thinking about pace. A fun alternative is to pick certain landmarks during a run like lampposts or trees to act as starting and stopping points, we call these types of runs mind games for runners.

For example, you might pick a tree in the distance and run hard to it, then run easy until the next tree you spot a block or two further down.

If you do these at a track club workout, then they generally involve the coach calling out random amounts of time to speed up or slow down, which feels like a suspenseful game, a bit like duck, duck goose!

These are not usually mile repeats or a steady state tempo run, fartleks tend to be shorter intervals for a few minutes or up to a 1/4 mile.

This is partially because you are doing them randomly throughout your run and the longer sessions would require a much longer total run.

If you’re listening to songs while running, try running a bit faster during the chorus or switch things around and run faster during the bridge. It’s all about adding variety to your sessions.

Are fartlek workouts good for weight loss?

Running for weight loss is a multifaceted thing, which is why I’ve written a whole ebook about what you need to know! But yes, they can be a useful tool in the process because you’re switching between fat burning with the lower intensity and increasing the total calorie burn with the intense sections.

Which leads to the next question of is fartlek a HIIT workout? No.

It doesn’t sustain the level of intensity that you would with a high intensity interval workout and it’s not designed to be used that way. You’d get more from a cardio + strength training session like Danielle Pascente if you want HIIT.

How Should I do a Fartlek Run?

Every training plan is different, but in general you want no more than two speed workouts per week. A fartlek counts towards those speed workouts.

If you’re a new runner, then fartleks can be an ideal way to start incorporating intensity without overdoing it. Your schedule might look something like this:

If you’re working on improving speed, then you’ll also want to include a few other key pieces of training:

Tired of trying to figure it out alone? Jumping from plan to plan? Stop. Let our team of coaches help!

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