Running 10K Races:Internal bleeding altered my HCT. If HCT increases by 5%, what is % see time increase [10k?

In other words, if HCT increases from 41 to 43, what kind of per cent alteration in see times might be expected [for a 10K race]? it depends on your energy expenditure during the see, the 5% improvement of HCT improve oxygen delivery to tissues in the order of 2.5%. so the capacity for exercise would rearrange by 2.5%.
isn't HCT hemocrit? If so, when there is internal bleeding the hemocrit height goes DOWN not up. Your capability will decrease because smaller number oxygen will be delivered to the cell.

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