Chatfield Challenge 2009 vs Chatfield Challenge 2011
| Difference | This Meet | That Meet | |
|---|---|---|---|
| Overall Athletes | -1337 | 448 | 1785 |
| Overall Average | -2:38.16 | 21:04.92 | 23:43.08 |
| 1st-10th Place | -11.31 | 16:29.99 | 16:41.30 |
| 1st-25th Place | -8.08 | 16:51.68 | 16:59.76 |
| 1st-50th Place | +0.58 | 17:17.92 | 17:17.34 |
| 1st-100th Place | +8.07 | 17:52.34 | 17:44.27 |
| Common Athletes | -- | -- | 61 |
| Ran Faster | -27 | 17 | 44 |
| Ran Season Best | -- | 61 | 61 |
| Average Time | +33.19 | 21:09.28 | 20:36.08 |
| Median Time | +50.90 | 21:02.90 | 20:12.00 |
| Middle 80% Times | +46.24 | 21:07.53 | 20:21.29 |
| Top 10% Times | +57.44 | 17:49.30 | 16:51.86 |
| Top 25% Times | +59.66 | 18:27.28 | 17:27.63 |
| Top 50% Times | +51.16 | 19:19.06 | 18:27.90 |
| Bottom 50% Times | +14.15 | 22:18.54 | 22:04.39 |
| Bottom 25% Times | -12.26 | 24:10.18 | 24:22.44 |
| Bottom 10% Times | -1:16.50 | 25:34.36 | 26:50.86 |
| Average Difference | +33.19 | -- | -- |
| Median Difference | +1:30.60 | -- | -- |
| Middle 80% Difference | +46.08 | -- | -- |
| Top 10% Difference | +1:00.19 | -- | -- |
| Top 50% Difference | +48.22 | -- | -- |
| Top 25% Difference | +44.89 | -- | -- |
| Top 50% Difference | +48.22 | -- | -- |
| Bottom 50% Difference | +20.02 | -- | -- |
| Bottom 25% Difference | -5.16 | -- | -- |
| Bottom 10% Difference | -1:32.23 | -- | -- |