Best of the West 2015 vs Best of the West 2018
| Difference | This Meet | That Meet | |
|---|---|---|---|
| Overall Athletes | -9 | 377 | 386 |
| Overall Average | -1:11.89 | 24:23.13 | 25:35.03 |
| 1st-10th Place | -58.10 | 17:14.84 | 18:12.94 |
| 1st-25th Place | -54.67 | 17:47.02 | 18:41.69 |
| 1st-50th Place | -44.95 | 18:25.76 | 19:10.71 |
| 1st-100th Place | -43.47 | 19:17.23 | 20:00.70 |
| Common Athletes | -- | -- | 31 |
| Ran Faster | -8 | 12 | 20 |
| Ran Season Best | 2 | 9 | 7 |
| Average Time | +48.59 | 24:36.08 | 23:47.49 |
| Median Time | +1:16.73 | 24:08.30 | 22:51.57 |
| Middle 80% Times | +1:04.96 | 24:45.34 | 23:40.38 |
| Top 10% Times | +26.64 | 19:23.21 | 18:56.57 |
| Top 25% Times | +46.52 | 20:02.88 | 19:16.36 |
| Top 50% Times | +1:18.62 | 21:34.43 | 20:15.80 |
| Bottom 50% Times | +15.52 | 26:05.48 | 25:49.96 |
| Bottom 25% Times | -41.79 | 29:40.18 | 30:21.97 |
| Bottom 10% Times | -1:13.14 | 31:21.93 | 32:35.06 |
| Average Difference | +42.61 | -- | -- |
| Median Difference | +46.23 | -- | -- |
| Middle 80% Difference | +1:03.34 | -- | -- |
| Top 10% Difference | +22.65 | -- | -- |
| Top 50% Difference | +1:06.10 | -- | -- |
| Top 25% Difference | +29.90 | -- | -- |
| Top 50% Difference | +1:06.10 | -- | -- |
| Bottom 50% Difference | +19.12 | -- | -- |
| Bottom 25% Difference | -47.92 | -- | -- |
| Bottom 10% Difference | -1:46.59 | -- | -- |