Gave blood last night about 8.00pm for the 1st time in years (decided it was about time I did something for someone else for a change)
without thinging of the concequences I did a 7.8m run @ 10.00am this morn and rerally struggled over the last 3m was running @ 8.30pace over a hilly course but blew up and ended doing 9.20/mile
I am assumimg this was due to having a whole armful less of blood to pump round.
does anyone know if the theory holds up
???
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But good for you for giving anyway.
I have tried intervals the day after donating before and its a weird feeling - I felt like my throat wasnt wide enough to get enough oxygen round - which I guess wasnt too wide of the mark with the missing red blood cells ?
yup - it's like doing anti-altitude training!!!
Your oxygen-carrying capacity is reduced!
Comes back pretty quickly tho - just take it a bit easy for a day or two!
Although I did a local 5k the next day at a plod and was ok.
Don't plan on breaking any world records for about a week at least :-)
And well done...
I'm likely to be called to give blood next month, which obviously I'd like to do especially since I had to miss the last session because it clashed with something else. Trouble is, the date is six days before the Windermere Marathon which I've entered and would like to get round in a reasonable state. If the race was 10K, I doubt I'd be concerned but a marathon? Any more thoughts?
to follow up; each day has got better(obv) but yesterday was the 1st day I have felt anything like back to normal, so I would def say postpone the session till after the mara, I really didnt know/think what effect it would have on my running.
FWIW - I can also sympathise with the original query. I remember trying to play a football match years ago barely 24 hours after donating. I tried demanding to be subbed at halftime but couldn't because somebody else had been the same afternoon and was even more carp than me. Never again - always give myself time to rest up and recover now.