Region 1B 2014 vs Region 1B 2015
| Difference | This Meet | That Meet | |
|---|---|---|---|
| Overall Athletes | -34 | 39 | 73 |
| Overall Average | -2:05.20 | 20:01.85 | 22:07.05 |
| 1st-10th Place | +15.80 | 18:26.83 | 18:11.03 |
| 1st-25th Place | +19.19 | 19:06.60 | 18:47.41 |
| 1st-50th Place | -4:53.18 | 15:37.44 | 20:30.62 |
| 1st-100th Place | -8:20.02 | 7:48.72 | 16:08.74 |
| Common Athletes | -- | -- | 21 |
| Ran Faster | -19 | 1 | 20 |
| Ran Season Best | -1 | 9 | 10 |
| Average Time | +32.40 | 19:42.51 | 19:10.11 |
| Median Time | +46.16 | 19:33.90 | 18:47.74 |
| Middle 80% Times | +36.41 | 19:47.43 | 19:11.02 |
| Top 10% Times | +11.83 | 17:54.63 | 17:42.81 |
| Top 25% Times | +18.13 | 18:20.73 | 18:02.61 |
| Top 50% Times | +20.37 | 18:42.65 | 18:22.28 |
| Bottom 50% Times | +41.48 | 18:54.86 | 18:13.39 |
| Bottom 25% Times | +33.11 | 21:22.47 | 20:49.36 |
| Bottom 10% Times | +5.11 | 22:01.37 | 21:56.25 |
| Average Difference | +32.40 | -- | -- |
| Median Difference | +26.12 | -- | -- |
| Middle 80% Difference | +36.74 | -- | -- |
| Top 10% Difference | +9.98 | -- | -- |
| Top 50% Difference | +16.37 | -- | -- |
| Top 25% Difference | +11.62 | -- | -- |
| Top 50% Difference | +16.37 | -- | -- |
| Bottom 50% Difference | +47.85 | -- | -- |
| Bottom 25% Difference | +36.69 | -- | -- |
| Bottom 10% Difference | +4.88 | -- | -- |