Lately swimming is a lot more painful - cant figure out why?

I have been swimming for 40 years (I'm now 52). I regularly attend masters swim practice (3 X week). Recently, I have been struggling a lot in practice when I try to push myself at 90% or on harder efforts. I feel incredibly fatigued even in a short sprint like a 100 I.M. I feel very comfortable swimming at 80% effort for a really long time but as soon as I push myself a little more the wheels fall off in a big way, and I don't recover very well. I have been to the doctor to get checked out and had my blood work...everything is great. I'm wondering if this is just age or maybe my diet is affecting me?? I have not made any changes. Has anyone else around my age experienced this? Thanks.
Parents
  • Thanks Paul. This is very helpful. When I think about it, I had pneumonia about 6-7 months ago and they did a full EKG, blood work at the hospital to make sure my heart was okay...they said my heart/arteries were in great shape. I'm wondering about Iron, or maybe some other type of vitamin deficiency. I'm also experimenting with not going hard in the pool on certain days - maybe just do all out efforts on 1 or 2 days a week. Thanks again.
Reply
  • Thanks Paul. This is very helpful. When I think about it, I had pneumonia about 6-7 months ago and they did a full EKG, blood work at the hospital to make sure my heart was okay...they said my heart/arteries were in great shape. I'm wondering about Iron, or maybe some other type of vitamin deficiency. I'm also experimenting with not going hard in the pool on certain days - maybe just do all out efforts on 1 or 2 days a week. Thanks again.
Children
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