A question regarding timing over the years.
03/27/2017 2:55:55 PM
Coach
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Joined: Sep 2016
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When I was trying to compile my school's school records, I assumed that a time for the 100 ran in 2010 was our record. It was a 10.99. I later found a time a kid ran in 1997 that was a 10.9. Is the 2010 time, the slower time technically faster because of hand timing vs. machine timing?
When I was trying to compile my school's school records, I assumed that a time for the 100 ran in 2010 was our record. It was a 10.99. I later found a time a kid ran in 1997 that was a 10.9.

Is the 2010 time, the slower time technically faster because of hand timing vs. machine timing?
03/28/2017 11:37:16 AM
Coach
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Joined: Jun 2007
Posts: 94
If the 10.9 was a hand time, then it is most likely slower than than the 10.99. What is typically done with a hand time is it is rounded up to the nearest 10th, and then .24 is added to it to account for human error in hitting the stopwatch at the exact right time on the start and finish. So, I'm guessing the actual hand time might have been something like 10.86 and then someone rounded it up to 10.9 but .24 was never added to it. If you add the .24 to the 10.9, you will get 11.14 which make the other time faster at 10.99. NOW that assumes that the 10.99 was a Fully Automatic Time. IF it wasn't, then you would have to round it to 11 and add .24 to it. I hope all this makes sense.
If the 10.9 was a hand time, then it is most likely slower than than the 10.99. What is typically done with a hand time is it is rounded up to the nearest 10th, and then .24 is added to it to account for human error in hitting the stopwatch at the exact right time on the start and finish. So, I'm guessing the actual hand time might have been something like 10.86 and then someone rounded it up to 10.9 but .24 was never added to it. If you add the .24 to the 10.9, you will get 11.14 which make the other time faster at 10.99. NOW that assumes that the 10.99 was a Fully Automatic Time. IF it wasn't, then you would have to round it to 11 and add .24 to it. I hope all this makes sense.

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