• race date - coolrunning & NYRR
• AG curves
• world record / age & gender group

Fig 1. The Profile of the Brooklyn Half Marathon
The number of runners finishing each minute as a function of time. Each band is a different age and gender group.

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Fig 2. (top) Average time for everyone in an age group as a function of age.
(bottom) Average Age Grade score in an age group as a function of age.
Where as runners do get slower as they age, there AG scores actually get better over time.

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Fig 3. World Records by age and gender for the Half Marathon.
The curves are the standards used for Age Graded scoring.

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Fig 4. Distribution of Age Graded scores broken down by age and gender. The Brooklyn Half Marathon

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Fig 5. Distribution of Age Graded scores for the Beach To Beacon 10k.

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Fig 6. Distribution of Age Graded scores for the New Bedford Half Marathon.

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Fig 7. Percentage of runners (Brooklyn Half) who are memebers of a running club.

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