How 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...
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Ollie Odell
- 5 min
Will 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...
5,576 views
Ricardo Costa
- 5 min
Preventing and managing gut issues
It is now well accepted that gut complaints during and after exercise are a common issues amongst athletes (Read more here). The primary...
4,182 views
Ricardo Costa
- 4 min
What 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...
3,891 views
Asker Jeukendrup
- 3 min
Smaller runners benefit more from nutrition during a marathon
In a previous blog we discussed what it takes to run a sub 2h marathon. Nutrition is an important factor, and in particular race...
3,548 views
Asker Jeukendrup
- 3 min
What it takes to run a sub 2 marathon
This week a unique paper was published in the Journal of Applied Physiology. Professor Andrew Jones and his team (1) reported on the...
5,291 views
Asker Jeukendrup
- 4 min
Oral contraceptives and performance
The effect of contraceptive pills are used by female athletes may affect performance. Here the evidence is presented.
4,323 views
Asker Jeukendrup
- 4 min
Effects of menstrual cycle on performance
What are the effects of menstrual cycle on performance and how should athletes prepare for competition?
14,010 views
Asker Jeukendrup
- 3 min
120 grams of carbohydrate per hour in mountain marathon runners
A new paper was published that suggests intakes of 120 g/h in mountain marathon runners.
13,911 views
Asker Jeukendrup
- 4 min
The case for high carbohydrate intake during long races
Runners find it hard to ingest carbohydrate during running, perhaps because they are not used to it. Studies show they could benefit from...
8,429 views
Asker Jeukendrup
- 3 min
What 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
5,430 views
Asker Jeukendrup
- 5 min
Zwift and my nutrition plan
The corona virus has changed the way many people exercise. Many cyclists and runners have resorted to Zwift for their training. Zwift...
6,726 views
Asker Jeukendrup
- 6 min
A nifty tool to plan your nutrition
I 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...
11,121 views
Asker Jeukendrup
- 3 min
Energy bars, gels or drinks?
Athletes use, drinks, gels, bars, fruits and other forms of carbohydrate. But what is the best way to take carbohydrate?
17,074 views
Asker Jeukendrup
- 3 min
Why is performance in the heat decreased?
It is generally accepted that aerobic exercise capacity in hot conditions. But why does performance decrease?
9,552 views
Asker Jeukendrup
- 3 min
Training the gut for athletes
I 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...
19,304 views
Asker Jeukendrup
- 5 min
Nutrition for a half distance triathlon
For a half distance triathlon (70.3) or other 4 to 7 hour event, nutrition can be an incredibly important factor.
4,940 views
Asker Jeukendrup
- 3 min
Prevention of gastro-intestinal problems in athletes
7 steps towards preventing gastro-intestinal problems during exercise.
6,801 views
Asker Jeukendrup
- 3 min
Gastrointestinal complaints in athletes
"More marathons are won or lost in the porta-toilets than at the dinner table."
4,037 views
Asker Jeukendrup
- 3 min
6 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.
12,056 views