Marathon at depth

Sharm el-sheik is a city built for tourists. But unlike them I’m not here for vacation. I’m here to do the deepest dive I’ve ever done. It’s only a few days left now till the record attempt. None of the tourists know what I’m up to. As I walk past them towards the sea in my silver wetsuit they just throw a glance at me and go back to sun tanning.

I return from the deep training a few hours later, a little more tired, a little happier, having been to places none of the tourists would want to go to.

Walking the hill from the beach it feels like I’ve been running a marathon. Just that feeling you get a few hours after a really long run, that’s the same feeling you get after a really deep dive. (I’m not implying you’ve done either – but just try to imagine it). It’s not superficial fatigue. It’s like the pressure of the seawater has pushed tiredness deep into my bones and muscles.

The dive doesn’t last longer than three minutes, so how can it give me the same feeling like after a three hour run? It might be a slight symptom of decompression sickness, DCS. Though it should be impossible to get it during regular freediving, I might get it while playing at greater depths. As soon as I surface, give my ok and happiness to the crew I have to get down for 5 minutes decompression dive on pure oxygen to lessen the risk of DCS.

On my last dive scientist and Professor Erika Schagatay was measuring my saturation values. One minute after the dive I still had about 50% oxygen saturation. After my decompression dive I was back up to 98%. And I wasn’t squeezed. When having had squeezed lungs it’s much easier to appreciate un-squeezed lungs!

Tomorrow is a day of rest, preparing for the world record attempt on th 3’rd. Send me deep and loving thoughts at about 3.30 pm!

post dive happiness

92% saturation after a minor lung squeeze

warming up before going deep

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