Class B West Region 2017 vs Class B West Region 2020
| Difference | This Meet | That Meet | |
|---|---|---|---|
| Overall Athletes | +50 | 203 | 153 |
| Overall Average | +2.91 | 22:51.88 | 22:48.97 |
| 1st-10th Place | -2.79 | 17:23.18 | 17:25.97 |
| 1st-25th Place | -17.94 | 18:03.05 | 18:21.00 |
| 1st-50th Place | -16.41 | 18:56.89 | 19:13.30 |
| 1st-100th Place | -23.92 | 20:16.06 | 20:39.99 |
| Common Athletes | -- | -- | 24 |
| Ran Faster | -10 | 7 | 17 |
| Ran Season Best | 5 | 6 | 1 |
| Average Time | +21.97 | 22:23.72 | 22:01.74 |
| Median Time | +1:32.64 | 22:07.94 | 20:35.30 |
| Middle 80% Times | +18.66 | 22:37.63 | 22:18.97 |
| Top 10% Times | +1:13.39 | 17:50.06 | 16:36.67 |
| Top 25% Times | +1:13.24 | 18:25.76 | 17:12.52 |
| Top 50% Times | +1:17.49 | 19:33.28 | 18:15.79 |
| Bottom 50% Times | -33.54 | 25:14.16 | 25:47.70 |
| Bottom 25% Times | -1:07.67 | 27:37.75 | 28:45.42 |
| Bottom 10% Times | -1:44.16 | 29:26.48 | 31:10.63 |
| Average Difference | +21.97 | -- | -- |
| Median Difference | +2:36.17 | -- | -- |
| Middle 80% Difference | +35.77 | -- | -- |
| Top 10% Difference | +41.56 | -- | -- |
| Top 50% Difference | +1:01.46 | -- | -- |
| Top 25% Difference | +1:04.41 | -- | -- |
| Top 50% Difference | +1:01.46 | -- | -- |
| Bottom 50% Difference | -17.51 | -- | -- |
| Bottom 25% Difference | -1:50.22 | -- | -- |
| Bottom 10% Difference | -2:01.88 | -- | -- |