One of the most popular types of cardio training is interval training also known as fartlek running.    From Wordnik.com.  [ReadABlog.com New Blogs and RSS Feeds] Reference

You don't find the word "fartlek" in the least bit amusing.    From Wordnik.com.  [Spence Smith - Connecting People To The World Of Travel, Fitness, Culture and Blogging] Reference

Every so often a "fartlek" is called out and paddlers rev up and exert themselves for two or three minutes, raising the boat speed to 12 or 13 mph.    From Wordnik.com.  [columbiatribune.com stories] Reference

Then we do fartlek, tempo runs, interval ladders … what else?.    From Wordnik.com.  [Again to Carthage] Reference

He piled up miles, ran imaginary races against long-absent foes on interval days, did incredible tempo and fartlek runs in the forest.    From Wordnik.com.  [Again to Carthage] Reference

He circled Thunder Lake twice and did several miles of fartlek on the way back, working the travel kinks out and enjoying his regained ability to select any pace he wanted for as long as he wanted.    From Wordnik.com.  [Again to Carthage] Reference

He had gone ten easy that morning, puttered around the house, graded some papers, taken a short nap, then did a three-mile warm-up and a twelve-mile run with five miles of fartlek pickups in the middle.    From Wordnik.com.  [Again to Carthage] Reference

Bring in variations like interval training and fartlek.    From Wordnik.com.  [Hindustan Times News Feeds 'Views'] Reference

If you want to improve your 1.5 miles you must do 20-30 min runs using fartlek.    From Wordnik.com.  [Army Rumour Service] Reference

Finish up with 2 x 600 fartlek, alternating 50 meters at endurance pace and 50 meters fast.    From Wordnik.com.  [Inside Tri» InsideTri.com :: Inside the world of Triathlon] Reference

He's been there 8 weeks and the slower ones went on a different route once, on a fartlek run.    From Wordnik.com.  [Army Rumour Service] Reference

It's similar to interval training, but while interval training is more structured, fartlek is more spontaneous.    From Wordnik.com.  [Hindustan Times News Feeds 'Views'] Reference

That arm pedalo machine is handy aswell, especially when you increase the difficulty or make a bit of an arm fartlek out of it.    From Wordnik.com.  [Army Rumour Service] Reference

Track workouts, formation and fartlek runs develop the older drill instructors so they can keep up with young jocks just out of high school.    From Wordnik.com.  [Latest Articles] Reference

The funniest word in the English language is fartlek (an athletic training regime); other funny words include furphy, pratfall, parp and firkin.    From Wordnik.com.  [Releases feed from RealWire] Reference

I'm going for 3x a week running but worried to much will cause weight loss I will struggle to gain back will 20 mins fartlek be enough say twice a week then a long distance 1x?.    From Wordnik.com.  [Army Rumour Service] Reference

On her recommendation, for any fartlek or threshold training session I make sure I do a gentle warm-up and warm-down jog, which I probably wouldn't otherwise have bothered with.    From Wordnik.com.  [The Guardian World News] Reference

You dont just do runs in basic, you will do circuit training, fartlek training, obstacle course and CFT's which will all help to build your fitness and bring your run time down sounds good to me ... it's mostly the job on tour that I'm interested in.    From Wordnik.com.  [Army Rumour Service] Reference

Good luck with the doc's tomorrow, i'l keep my fingers crossed for you They said I might only have to do the height and weight again but yeah it will be hours waiting again lol cheers mike, i reckon it's nothing serious so hopefully i should be back there soon They said I might only have to do the height and weight again but yeah it will be hours waiting again lol cheers mike, i reckon it's nothing serious so hopefully i should be back there soon Gonna do some fartlek training aswell so will hopefully get a better time too, it might be a blessing in disguise!.    From Wordnik.com.  [Army Rumour Service] Reference

I also like fartlek training, during which I alternate between a slow run and a burst of speed every minute for 12 km, "says Too.    From Wordnik.com.  [Hindustan Times News Feeds 'Views'] Reference

Also look up fartlek.    From Wordnik.com.  [Army Rumour Service] Reference

5mins 42secs for my first x3 fartlek with 30 sec recoverys, then final x2 at around the 6min mark, ive been going 7 mile runs x2 or x3 times a week on top of this, then I plan to rest plenty on 4 days up to ADSC.    From Wordnik.com.  [Army Rumour Service] Reference

Flat, hill, fartlek work.    From Wordnik.com.  [WalkJogRun New Running Routes] Reference

"speedwork", "repeats", "fartlek", "hills" etc. or define your own types such as "High Street Run", "Loop around the park" etc.    From Wordnik.com.  [Softpedia - Windows - All] Reference