ENROLLMENTS FOR LDT101, LDT102 & LDT103 ARE NOW OPEN - MORE INFO HERE

Should I train my gut? Both sides of the coin on preserving endogenous carbohydrates

 - Dan Plews and Ed Maunder 

 

As we have mentioned in previous blogs, during ultra-endurance events lasting ~8-15 hours like long-distance triathlon, the preservation of endogenous carbohydrate (CHO) stores is one of the key determinants of success (25). As humans, we possess a finite capacity to store CHO energy as glycogen, typically <3000 kcal, of which ~80% is stored in muscle and ~10-15% in the liver (7). Assuming typical running economy values observed in highly-trained distance runners (1.07 kcal.kg-1.km-1) (6) and a body mass of 68 kg, these endogenous CHO stores would not be sufficient to support even one marathon alone (~3070 kcal), let alone a marathon following a 3.8-km swim and a 180-km bike ride. Accordingly, exercise of sufficient duration and intensity – such as an Ironman – will deplete these endogenous CHO energy stores to very low concentrations, and this glycogen depletion has been linked to the fatigue we feel in the late stages...

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The Role of Myofascial Slings in Triathlon: Part 1 – Understanding Our Sling System

- Adam Storey, PhD

 

How “easily” we can perform a specific movement or task is a critical determinant of  Long Distance Triathlon (LDT). For example, to run a 3-hour marathon (an excellent running time in an Ironman Distance Triathlon) the average pace is  4:16 min/km. There are many athletes who can run 4:16 for 1 km; the issue most athletes face is that they simply can’t do it easily enough to do it 42 times back-to-back. In their online course Endure IQ LDT 102: Training Program Fundamentals for Long Distance Triathlon, Dan and the team at Endure IQ go through the rationale regarding how, for LDT, it’s likely better to focus on “specific strength” rather than lifting heavy weights in the gym. However, gym-based exercises where the main focus is to improve movement efficiency are still likely to be very beneficial, and, moreover, can be completed is less than 20 minutes; a key consideration for the time-poor long distance...

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