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  • Slightly confused by my scales at the moment.

    was a smidge over 109kg all of last week and between 22.1 and 22.7 BF%, then I did a 50k ultramarathon on saturday, spending 8.5 hours on my feet so pretty massive energy expenditure, but I kept well hydrated and while I didn't run a calorie deficit in the days before I also didn't overeat by thousands and thousands of calories before or after the race either.

    I was down to 108.2kg (22.7 BF%) on sunday, the morning after the race but this week I'm back up to 110.8kg but my BF% has dropped to 21%.

    i'm guessing its glycogen/water storage. but not sure how that would be represented in the BF% i'm seeing.

  • If it's one of those scales that measures bodyfat by sending electricity through your system, holding on water can screw up the measurements quite easily :)

    8.5 hour of running, fair play! How did you find it?

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