Chatfield Challenge 2008 vs Chatfield Challenge 2009
| Difference | This Meet | That Meet | |
|---|---|---|---|
| Overall Athletes | -290 | 158 | 448 |
| Overall Average | -17.86 | 20:47.06 | 21:04.92 |
| 1st-10th Place | +1:13.15 | 17:43.14 | 16:29.99 |
| 1st-25th Place | +1:19.78 | 18:11.46 | 16:51.68 |
| 1st-50th Place | +1:26.96 | 18:44.87 | 17:17.92 |
| 1st-100th Place | +1:42.51 | 19:34.85 | 17:52.34 |
| Common Athletes | -- | -- | 29 |
| Ran Faster | -19 | 5 | 24 |
| Ran Season Best | -- | 28 | 28 |
| Average Time | +47.64 | 20:47.04 | 19:59.40 |
| Median Time | +53.20 | 20:56.60 | 20:03.40 |
| Middle 80% Times | +49.65 | 20:52.65 | 20:02.99 |
| Top 10% Times | +54.47 | 18:03.60 | 17:09.13 |
| Top 25% Times | +57.61 | 18:42.69 | 17:45.08 |
| Top 50% Times | +52.19 | 19:15.35 | 18:23.15 |
| Bottom 50% Times | +39.91 | 20:55.61 | 20:15.69 |
| Bottom 25% Times | +30.66 | 23:03.44 | 22:32.78 |
| Bottom 10% Times | +30.37 | 23:39.83 | 23:09.47 |
| Average Difference | +47.64 | -- | -- |
| Median Difference | +49.00 | -- | -- |
| Middle 80% Difference | +51.83 | -- | -- |
| Top 10% Difference | +30.03 | -- | -- |
| Top 50% Difference | +51.07 | -- | -- |
| Top 25% Difference | +50.64 | -- | -- |
| Top 50% Difference | +51.07 | -- | -- |
| Bottom 50% Difference | +44.31 | -- | -- |
| Bottom 25% Difference | +40.78 | -- | -- |
| Bottom 10% Difference | +41.73 | -- | -- |