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It's time for the penultimate lunchtime Q+A in our Virgin London Marathon build-up, and once again, Lucozade Sport's Lead Sport Scientist Nick Morgan will be joining us between 1pm and 2pm to answer any queries you might have about sports nutrition.
Maybe you're wondering how much you should be eating while you taper, or maybe you've still got questions about your race-day fuel and hydration strategy - whatever your queries, make the most of this opportunity to chat directly to Nick.
We're starting this thread now so you have a chance to post your queries beforehand - that way, Nick will be able to get stuck in straight away at 1pm rather than having to deal with too many questions all at once.
Time to get posting!