Asker Jeukendrup13 minHow to fuel for a marathon Marathon runners are starting to pay more and more attention to their nutrition. No one ever questions the importance of training, yet...
Ollie Odell5 minWill women outperform men in ultra-endurance events?An interesting review (1) was published recently re-igniting the discussion whether women will ever outperform men in ultra-endurance...
Ricardo Costa5 minPreventing and managing gut issuesIt is now well accepted that gut complaints during and after exercise are a common issues amongst athletes (Read more here). The primary...
Ricardo Costa4 minWhat causes gut issues during and after exercise?Many competitions take place in hot and challenging conditions. The Tokyo Olympic Games are only an example. The expected hot conditions...
Asker Jeukendrup3 minSmaller runners benefit more from nutrition during a marathonIn a previous blog we discussed what it takes to run a sub 2h marathon. Nutrition is an important factor, and in particular race...
Asker Jeukendrup3 minWhat it takes to run a sub 2 marathonThis week a unique paper was published in the Journal of Applied Physiology. Professor Andrew Jones and his team (1) reported on the...
Asker Jeukendrup4 minOral contraceptives and performanceThe effect of contraceptive pills are used by female athletes may affect performance. Here the evidence is presented.
Asker Jeukendrup4 minEffects of menstrual cycle on performanceWhat are the effects of menstrual cycle on performance and how should athletes prepare for competition?
Asker Jeukendrup3 min120 grams of carbohydrate per hour in mountain marathon runnersA new paper was published that suggests intakes of 120 g/h in mountain marathon runners.
Asker Jeukendrup4 minThe case for high carbohydrate intake during long racesRunners find it hard to ingest carbohydrate during running, perhaps because they are not used to it. Studies show they could benefit from...
Asker Jeukendrup3 minWhat is better? Frequent sips or larger amounts of drinks during running?Carbohydrate intake during exercise can enhance endurance exercise performance. but should it be frequent sips or less regular larger amount
Asker Jeukendrup5 minZwift and my nutrition planThe corona virus has changed the way many people exercise. Many cyclists and runners have resorted to Zwift for their training. Zwift...
Asker Jeukendrup6 minA nifty tool to plan your nutritionI have been helping athletes to create nutrition plans for their races for a long time. For 25 years, I have worked with, listened to and...
Asker Jeukendrup3 minEnergy bars, gels or drinks?Athletes use, drinks, gels, bars, fruits and other forms of carbohydrate. But what is the best way to take carbohydrate?
Asker Jeukendrup3 minWhy is performance in the heat decreased?It is generally accepted that aerobic exercise capacity in hot conditions. But why does performance decrease?
Asker Jeukendrup3 minTraining the gut for athletesI remember that many years ago a review paper was published with the title: Is the gut an athletic organ? It hinted to the fact that...
Asker Jeukendrup5 minNutrition for a half distance triathlonFor a half distance triathlon (70.3) or other 4 to 7 hour event, nutrition can be an incredibly important factor.
Asker Jeukendrup3 minPrevention of gastro-intestinal problems in athletes7 steps towards preventing gastro-intestinal problems during exercise.
Asker Jeukendrup3 minGastrointestinal complaints in athletes"More marathons are won or lost in the porta-toilets than at the dinner table."
Asker Jeukendrup3 min6 Ways to "train-low"Training low has received quite a bit of attention recently. The purpose of this blog is to give an overview of the methods available.