Nutrition is one of the most underestimated parts of bikepacking and ultra-distance racing. We can dial our kit, obsess over our gear, train for months — but if we're not fuelling well, none of it matters. This week, Dietician Uri Carlson is back on Detours, and this time we had a very specific agenda: Highland Trail 550 is on the horizon, and this year I'll be lining up for my first time, and I wanted to make sure I left no stone unturned.

We get into carb loading — when to start and how to think about it for a multi-day race that lasts a week — resupply strategy, hydration ranges, gut health and the microbiome, what to do when you're too nauseous to eat but still have a long way to go, and why under-fuelling is a bigger threat to your gut than any high-carb gel. A lot of the specifics are Highland Trail flavoured, but the fuelling principles apply to any ultra-endurance adventure you've got on the horizon.

You can also find the blog post version of this episode on Substack

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