In a nutshell: A low FODMAP diet could help runners who get problems with severe GI symptoms during races.

A case study reported on a female ultra-runner who was competing in a multi-stage ultramarathon. She suffered from irritable bowel syndrome (IBS). If you’ve ever suffered gut problems during a race you’ll know just how problematic it can be. And there is plenty of evidence that gastrointestinal problems are right up there as a major reason for abandoning races – as well as just being plain unpleasant.

They put her on a low FODMAP diet for the week running up to the race and ensured nutrition during the race also fitted. She found significant benefit and the IBS symptom severity score dropped right down. There were still problems with nausea but that could have been related to the altitude as well.

Of course, this is just a case study but it might be worth exploring if you are a little prone to a dicky tummy. And, if you have IBS the low FODMAP diet is showing some good results. It’s not the easiest in the world to follow but it might help.

More details on the low FODMAP can be found at King’s College London’s website.

Gaskell SK, Costa RJS. Applying a Low-FODMAP Dietary Intervention to a Female Ultra-Endurance Runner With Irritable Bowel Syndrome During a Multi-Stage Ultra-Marathon. *Int J Sport Nutr Exerc Metab* 2018;:1–19. doi:10.1123/ijsnem.2017-0398
https://www.ncbi.nlm.nih.gov/pubmed/29757053

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