This is the closest you will ever get to experiencing selection for real.

We are looking for 30 men, who are willing to travel abroad to the jungle for up to two weeks and undergo ten intense days of grueling psychological and physical tests, which are designed to play on the mental weaknesses that come to the surface when people are pushed to the edge. Will anyone have what it takes to succeed?

Do you possess unwavering self-discipline?

Can you keep calm under immense amounts of pressure?

Are you at peak physical and mental fitness?

Visit http://www.minnowfilms.co.uk/in-production/SAS_2-Who_Dares_Win.html to download the application form.

Please note that due to the very high number of applicants for this series, unfortunately we will not be able to respond to everyone who applies.

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Minnow Films will process your personal data and sensitive personal data in accordance with the Data Protection Act 1998.

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You can read our interview with him in the February issue, where he talks about going sub-eight and why facing Javier Gomez doesn’t worry him. Don’t miss either his 10-step guide to long-distance success. You can buy a single issue or subscribe to 220 Triathlon here  

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Video © Recon

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The study involved 20 top-end ultra-endurance runners. One group of 10 were habitual low-carb consumers, their daily diet consisting of 70% fat, 19% protein and just 11% carbs. The 10 high-carb athletes’ fuelling plan comprised 59% carbs, 25% fat and 14% protein.

Volek had the subjects run at 64% of maximal oxygen capacity for 3hrs to determine metabolic response. The low-carb group’s fat-burning rate was 2.3 times higher than the high-carb – 1.5g per minute compared to 0.67g.

“This represents a paradigm shift in sports nutrition,” says Volek. “Maybe we need to re-examine what we’ve been telling athletes about carb-loading for the last 40 years.”

Volek’s suggestion that endurance athletes switch from a high-carb to a high-fat diet to race stronger for longer isn’t confined to the labs. Cycling teams such as Tinkoff-Saxo and Team Sky are known for fuelling their winters on a high-fat diet… then reverting to a high-carb diet as the race season approaches.

The study revealed that during sub-maximal exercise, fat contributed to 88% of the low-carb group’s expenditure compared to 56% in the

high-carb group. Ultra-endurance athletes, such as recent Deca Worlds victor Dave Clamp, race at a lower intensity than a sprint- or Olympic-distance athlete. The shorter, faster distances demand a more maximal effort and there’s irrefutable proof that at high exercise intensities (over 80% of VO2max), carbohydrate is the main fuel regardless of diet. This might not be a problem. “Keto adaption [your metabolism shifting from relying on carbs to fat] increases fat oxidation across intensities,” says Volek. 

Volek’s findings also showed that the fat-burning group had normal muscle glycogen levels.

So what does all this mean for you?

High fat isn’t the green light to pop out the Pringles. Look for good fats from foods such as avocados, nuts, coconut oil and pumpkin seeds.

If you’re wholly committed to keto adaption, beware of creeping carbs. Shop-bought salad dressings, tomato sauce and milk substitutes (such as almond milk) contain significant quantities of carbs.

While the jury’s still out on athletes going high-fat all year round, periodising your nutrition might work better. Choose nutrients to match the demands of training. In winter, when workouts are less intense, choose quality fats. As intensity rises, up the carbs.

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Note how the low-carb group not only burns more fat during exercise but at rest and recovery too.

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Neither organisation would confirm the split to the BBC, but both issued short statements referencing the “reform process” under way.

An statement from the sportswear giant says: “As you know Adidas has a clear anti-doping policy in place. Therefore, we are in close contact with the IAAF to learn more about their reform process.”

The sponsorship deal was due to run until 2019 and was reportedly worth $33m (£23m), although some sources say the figure is much higher.

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Read full story here

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The scientists, led by Dr Tim Gamble and Dr Ian Walker, measured sensation-seeking behaviour and analysed risk taking in adults aged 17-56 using a computer-based simulation. The individuals in the study wore either a bicycle helmet or a baseball cap, which they were told was just there to support an eye-tracking device.

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They were then tasked with inflating an on-screen animated balloon whilst wearing either the cap or the helmet and their tendency to keep on inflating the balloon was used to measure their level of risk taking.

Dr Ian Walker says: “The helmet could make zero difference to the outcome, but people wearing one seemed to take more risks in what was essentially a gambling task. The practical implication of our findings might be to suggest more extreme unintended consequences of safety equipment in hazardous situations than has previously been thought.

“Replicated in real-life settings, this could mean that people using protective equipment might take risks against which that protective equipment cannot reasonably be expected to help.

“Several studies in the past have looked at so-called ‘risk compensation’, suggesting that people might drive differently when wearing seatbelts, or make more aggressive American football tackles when wearing helmets. But in all those cases, the safety device and the activity were directly linked – there’s a certain logic to sports people being more aggressive when wearing equipment that is specifically intended to make their sport safer. This is the first suggestion that a safety device might make people take risks in a totally different domain.”

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In their experiment, Dr Ian Walker and Dr Tim Gamble split participants into two groups: half wore a bicycle helmet and half wore baseball caps.

Organised by Breca Swimrun and named the Breca Árainn Mhór it will be taking place across the stunning Árainn Mhór Island and The Rosses.  

Teams of two will take on the challenging 54km course across 45 legs, including 9km of open-water swims and 45km of trail running (split up as 22 swims and 23 runs) with an elevation gain of 470 metres. They will negotiate clifftops, open water, rolling sand dunes and have to work together to overcome tricky rock transitions.

Entries will be limited to just 100 teams and there are men’s, women’s and mixed categories.

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This is Breca’s second Swimrun event; the other one takes place in and around Buttermere in the Lake District in July.  

The 1.9km swim is a single lap course in the clear warm Caribbean sea, while the undulating 90km bike course is over four laps along the coastline. The run is entirely along the island’s stunning white beaches.

A sprint distance race will also be available for athletes with a 750m swim, followed by a 22.5km cycle and finally a 7km run.

“Racing in paradise is always a hard opportunity to turn down,” said Marcus Altmann, head of global operations for Challenge. “The convenience of getting to Aruba from the North American mainland makes this a perfect race to escape the autumn weather and get some sun before winter hits. A great way to close out the season.”

Post-race there will be the chance to celebrate with a lavish beach and pool award party at the Hyatt Resort.

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The inaugural Challenge Aruba will take place on 23 October 2016 

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