Masters results normally include Age Grading factors in the results.
Age grading is based on the World Record in a particular event for each age group.
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As an example, in Hytek results….
Jay ran 2:05 as an M40 with a 84.34% Age Graded score – basically 84% of the M40 World Record. The 1:59.89 is converted to an ‘Open’ mark.
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Age Graded Percentage can be used to compare marks of different aged athletes in the same event, or performances in different events. It is handy, let’s say, when comparing a W45 Shot Put mark with an M65 Steeplechase mark.
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Hytek uses the 2014 age grade tables as found on WMA website
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The Howard Grubb Age Grade Calculator look up uses the 2006/2010 age grade tables.
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You will also note that the WMA age grade factors are only in 5 year increments, not 1 year increments and that is why Hytek only does the 5 year increments now.