How much time on a broken 200?

Thinking about doing a broken 200 back in practice tomorrow just to see where I am. In my age-group days, we used to do these and break 10 seconds at the 50. The time we would get (after subtracting the 10 second rest breaks) was surprisingly close to what we would do in a meet. I'm wondering if I should change the amount of rest between each 50 since I am older now. Will I still get an accurate picture with 10 seconds rest or should I go with 15?
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  • I did an experiment with broken 200s back in October. I wanted to see which breakdown got me closest to a meet time (I did a 200 free in a meet less than 2 weeks later that provided the comparison- the following was done freestyle, not backstroke, unfortunately). 1 x 200 on 8:00 - 10sec rest at 75 and 150: 2:16 total, minus rest 1:56 ~150EZ 1 x 200 on 8:00 - 10sec rest at each 50: 2:23 total, minus rest 1:53 ~150EZ 1 x 200 on 8:00 - 10sec rest at 100 and 150: 2:18 total, minus rest 1:58 I ended up going 1:54 at the meet, so 10sec at each 50 seems to be the best estimate for *me.* However, I tend to be more of a sprinter and more rest is better in my case. YMMV.
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  • I did an experiment with broken 200s back in October. I wanted to see which breakdown got me closest to a meet time (I did a 200 free in a meet less than 2 weeks later that provided the comparison- the following was done freestyle, not backstroke, unfortunately). 1 x 200 on 8:00 - 10sec rest at 75 and 150: 2:16 total, minus rest 1:56 ~150EZ 1 x 200 on 8:00 - 10sec rest at each 50: 2:23 total, minus rest 1:53 ~150EZ 1 x 200 on 8:00 - 10sec rest at 100 and 150: 2:18 total, minus rest 1:58 I ended up going 1:54 at the meet, so 10sec at each 50 seems to be the best estimate for *me.* However, I tend to be more of a sprinter and more rest is better in my case. YMMV.
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