Region IV Championships 2012 vs Region IV Championships 2011
| Difference | This Meet | That Meet | |
|---|---|---|---|
| Overall Athletes | +824 | 1168 | 344 |
| Overall Average | +2:22.55 | 19:35.72 | 17:13.18 |
| 1st-10th Place | +33.25 | 15:43.36 | 15:10.11 |
| 1st-25th Place | +28.50 | 15:53.24 | 15:24.74 |
| 1st-50th Place | +24.13 | 16:03.92 | 15:39.79 |
| 1st-100th Place | +22.98 | 16:21.10 | 15:58.12 |
| Common Athletes | -- | -- | 119 |
| Ran Faster | -29 | 46 | 75 |
| Ran Season Best | -39 | 80 | 119 |
| Average Time | +11.63 | 17:07.97 | 16:56.34 |
| Median Time | +14.90 | 16:56.00 | 16:41.10 |
| Middle 80% Times | +10.76 | 17:00.60 | 16:49.84 |
| Top 10% Times | +10.09 | 15:47.18 | 15:37.08 |
| Top 25% Times | +4.70 | 15:59.81 | 15:55.10 |
| Top 50% Times | +7.03 | 16:19.07 | 16:12.04 |
| Bottom 50% Times | +16.04 | 17:39.75 | 17:23.71 |
| Bottom 25% Times | +19.45 | 18:37.64 | 18:18.19 |
| Bottom 10% Times | +20.92 | 19:34.52 | 19:13.60 |
| Average Difference | +12.00 | -- | -- |
| Median Difference | +1.30 | -- | -- |
| Middle 80% Difference | +10.86 | -- | -- |
| Top 10% Difference | +10.18 | -- | -- |
| Top 50% Difference | +6.59 | -- | -- |
| Top 25% Difference | +3.83 | -- | -- |
| Top 50% Difference | +6.59 | -- | -- |
| Bottom 50% Difference | +17.58 | -- | -- |
| Bottom 25% Difference | +23.59 | -- | -- |
| Bottom 10% Difference | +17.19 | -- | -- |