Learn to run faster by, well, running faster. That, in a nutshell, is what interval training does. You run fast and push yourself over a short distance, then slow down or pause to recover. Sweat, and repeat.

By delivering this intense stimulus to your heart, lungs and muscles, interval training boosts your fitness faster than pretty much any other type of running - albeit with the big proviso that you mustn't do too much of it, push yourself too hard, or miss out on the slower, easy miles that help consolidate the fitness gains.

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recent study sneakers Saucony mujer talla 39.5 less likely to get hurt than those who didn’t. Of course, this may also be linked to the higher mileage and experience level of the marathoners in the study – advanced runners tend to both do more intervals and have a lower injury risk – but there is also evidence that Diadora Simple Run UP PS Niño Sneakers 101.175081-C8814.

Provided that you sensibly build up your fitness first - beginner runners definitely shouldn't worry about intervals for a while - and that you allow plenty of time between hard workouts for your body to recover, then these short intense busts can help you become a more efficient runner.

There are, of course, an endless number of interval variations you can do, each with their own benefits - so feel free to tweak away. But whether you’re targeting a half or full marathon, your first (or fastest) 5K, or just the ability to run stronger or longer, here are the interval sessions that can get you there.

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zapatillas de running ASICS pronador constitución media talla 26.5 mejor valoradas New Balance 327 Blå sneakers. But if you can already comfortably complete an easy 5K, adding surges of speed via interval training will make a faster-than-usual pace come naturally on race day. Plus, mixing things up with a weekly speedy run adds fun to your training routine, says coach Rebekah Mayer.

The workout:

Try a fartlek run – the term means ‘speed play' in Swedish. After a 10-minute warm-up, choose a landmark between 30 seconds and three minutes ahead. Run at a comfortably tough pace – you should be able to speak only a word or two at a time – until you reach it. Jog slowly for the same amount of time to recover. Repeat for 10-15 minutes before a 10-minute cool-down.


Your goal: To nail a short race

For Mango White Monocoloured Leather Sneakers 5zapatillas de running Nike 10k talla 38.5 naranjas comes from the waste products that build up in your muscles when you pick up the pace, says Gaudette. Intervals at these race paces train your body to process these substances while also increasing the rate at which oxygen travels to your muscles, allowing you to run faster for longer. ‘You’re getting an opportunity to practise the pain, mental stress and fatigue that come with running at that pace,’ says coach Carl Leivers.

The workout:

After a 10-minute warm-up, run 12 x 400m repeats at your 5K pace (if that’s your goal distance), with 30 seconds of easy running in between. Targeting a 10K? Do 16 x 400m at 10K pace instead. The first few reps should feel relatively easy – the second half should be where it gets tough, says Gaudette.


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Age and/or neglect can rob your muscles of their fast-twitch fibres, eventually sapping your speed, power and strength. Fortunately, you can fight back with short, super-fast running intervals. Summoning fast-twitch fibres to propel you at full tilt trains your brain to recruit them more quickly at any speed – while you might associate these fibres only with fast running, your body can also use them to keep you moving forward when slow-twitch fibres are fatigued, says Mayer. These workouts can even convert some flexible muscle fibres into the fastest-twitch type, says Gaudette, which results in a fluid, more efficient stride.

The workout:

After a long warm-up – two to four miles – run the following series of repeats as fast as you can without feeling out of control: 3 x 100m, 3 x 150m, 3 x 100m. Take two to three minutes of standing or walking rest to recover between each rep. As you sprint, focus on leaning forward slightly and pawing backward with your hamstrings and glutes. Concomitant these workouts with two to three weekly strength sessions for your hips, core and glutes; Ancient Greek Sandals brown morfi leather sandals.


Your goal: To increase endurance

Intervals can boost your efficiency in ways that help you run longer than ever – whether you’re aiming to increase from 5K to 10K or all the way up to a half or full marathon. ‘The more efficient you can be, the less energy you’ll use to run a given pace,’ says Gaudette. ‘That allows you to potentially go a lot farther before you start to break down.’

The workout:

G Form Running Clothes mile repeats at a comfortably challenging pace (you might be able to speak a few words, but not quote scenes from Shakespeare, says Gaudette). Recover by jogging for half the time the rep takes. Start with three miles or six half miles, and increase every two to three weeks until you’re logging five miles or 10 half miles of fast running.


What should I do in-between intervals?

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Standing: this alleviates stress and impact between short, fast interval reps when you’re building speed and strength. Avoid dropping your hands to your knees, as this could cause light-headedness.

Walking: newer runners benefit most from walking between repeats of at least 400m – it brings your heart rate down but, crucially, keeps blood flowing to clear waste products.

Jogging: it keeps your heart rate elevated, extends the distance of your workout and simulates late-race fatigue. It is good recovery for most workouts carried out at less than all-out effort.