Predicting longer distance times from shorter.

I swam in a non-santioned meet Sunday (short course meters). I did a 25 *** in 17.63, and in the 50 a 39.71. Given my 25 time, should my 50 time be better? The 25 has almost no aerobic demand. I always heard multiply by 2.2, which would equate to 38.786. Both races had decent starts and I thought I did a pretty good turn on the 50. I guess the real question I am asking is if this likely has to do with not being conditioned enough to swim a faster 50. Clarification: These were separate races...the 25 time was NOT a split for the 50.
Parents
  • Only 100 free. My 50-meter free time is usually around 30.7-31.5 for SCM and my best (masters' time) 100 meter is 1:10.90. In yards, I am typically in the 28.0-28.5 range and I did 1:03.59. I think in both cases, I could do better on the 100s with better training. Haven't done 100 *** yet, although as a youth, that's pretty much all I did.
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  • Only 100 free. My 50-meter free time is usually around 30.7-31.5 for SCM and my best (masters' time) 100 meter is 1:10.90. In yards, I am typically in the 28.0-28.5 range and I did 1:03.59. I think in both cases, I could do better on the 100s with better training. Haven't done 100 *** yet, although as a youth, that's pretty much all I did.
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