Blackbird Invitational 2009 vs Blackbird Invitational 2008
| Difference | This Meet | That Meet | |
|---|---|---|---|
| Overall Athletes | +4 | 201 | 197 |
| Overall Average | +1:22.63 | 23:41.13 | 22:18.50 |
| 1st-10th Place | +37.13 | 18:05.83 | 17:28.70 |
| 1st-25th Place | +26.98 | 18:42.50 | 18:15.52 |
| 1st-50th Place | +24.56 | 19:25.82 | 19:01.26 |
| 1st-100th Place | +31.72 | 20:36.74 | 20:05.02 |
| Common Athletes | -- | -- | 55 |
| Ran Faster | 21 | 38 | 17 |
| Ran Season Best | -- | 53 | 53 |
| Average Time | -8.74 | 21:28.11 | 21:36.85 |
| Median Time | -32.70 | 20:38.30 | 21:11.00 |
| Middle 80% Times | -21.83 | 21:09.22 | 21:31.05 |
| Top 10% Times | -22.73 | 17:45.77 | 18:08.50 |
| Top 25% Times | -26.92 | 18:23.08 | 18:50.00 |
| Top 50% Times | -25.43 | 19:14.25 | 19:39.68 |
| Bottom 50% Times | +8.26 | 22:55.97 | 22:47.71 |
| Bottom 25% Times | +41.43 | 25:46.57 | 25:05.14 |
| Bottom 10% Times | +1:55.50 | 28:21.50 | 26:26.00 |
| Average Difference | -8.74 | -- | -- |
| Median Difference | -4.10 | -- | -- |
| Middle 80% Difference | -22.39 | -- | -- |
| Top 10% Difference | -22.73 | -- | -- |
| Top 50% Difference | -23.49 | -- | -- |
| Top 25% Difference | -22.10 | -- | -- |
| Top 50% Difference | -23.49 | -- | -- |
| Bottom 50% Difference | +6.17 | -- | -- |
| Bottom 25% Difference | +45.21 | -- | -- |
| Bottom 10% Difference | +1:55.50 | -- | -- |