Affect of 15% weight reduction on speed

Former Member
Former Member
Hi all - I have an odd post for you to ponder :) Recently I've decided enough is enough and it's time to shift some unwanted poundage. Over the past few months through exercise and eating much better I've dropped about 15% of my original body weight, going from 207lbs to 175lbs. At the same time I've been swimming a bit and making an effort to keep on some muscle too. I know it's a very very hard question to answer but am looking for people's estimates on what this sort of weight loss would do to your swimming time over longer distances if I was able to keep everything else static (stroke, flexibility, strengtht etc). The only difference if possible would be there would be less body weight, and hopefully a better shape for moving through the water. I know that due to water being denser it's not as easy to say as it would be in relation to running etc, but say over a 5km open water swim, what would people guess the % improvement would be as a result of this? Cheers GC
Parents
  • Marilyn Monroe was a size 12. Would she be a modern-day 12 or was she a 12 in the fifties? I've noticed that a size 6 sure is a lot bigger than it was 25 years ago. If she was a size 12 in the fifties/early sixties, I bet that today, she would be a size 8 or even a size 6. My mom told me she was a size 12 in the fifties and her measurements were 36-24-36. Wonder what size this would be now.
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  • Marilyn Monroe was a size 12. Would she be a modern-day 12 or was she a 12 in the fifties? I've noticed that a size 6 sure is a lot bigger than it was 25 years ago. If she was a size 12 in the fifties/early sixties, I bet that today, she would be a size 8 or even a size 6. My mom told me she was a size 12 in the fifties and her measurements were 36-24-36. Wonder what size this would be now.
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