30th Annual Centaur Invitational 2008 vs 31st Annual Centaur Invitational 2009
| Difference | This Meet | That Meet | |
|---|---|---|---|
| Overall Athletes | -295 | 29 | 324 |
| Overall Average | -2:15.28 | 19:45.45 | 22:00.73 |
| 1st-10th Place | -31.14 | 16:39.78 | 17:10.92 |
| 1st-25th Place | +1:13.18 | 18:47.42 | 17:34.23 |
| 1st-50th Place | -6:30.81 | 11:27.56 | 17:58.37 |
| 1st-100th Place | -12:56.18 | 5:43.78 | 18:39.96 |
| Common Athletes | -- | -- | 10 |
| Ran Faster | 4 | 7 | 3 |
| Ran Season Best | -- | 10 | 10 |
| Average Time | -2.90 | 18:54.11 | 18:57.01 |
| Median Time | +51.20 | 19:25.00 | 18:33.80 |
| Middle 80% Times | -1.39 | 18:43.49 | 18:44.88 |
| Top 10% Times | -8.90 | 16:27.30 | 16:36.20 |
| Top 25% Times | -2.77 | 16:46.47 | 16:49.23 |
| Top 50% Times | -1.90 | 17:26.54 | 17:28.44 |
| Bottom 50% Times | -3.90 | 20:21.68 | 20:25.58 |
| Bottom 25% Times | -20.40 | 20:55.07 | 21:15.47 |
| Bottom 10% Times | -9.00 | 22:45.90 | 22:54.90 |
| Average Difference | -2.90 | -- | -- |
| Median Difference | -3.80 | -- | -- |
| Middle 80% Difference | -1.39 | -- | -- |
| Top 10% Difference | -8.90 | -- | -- |
| Top 50% Difference | -2.16 | -- | -- |
| Top 25% Difference | -2.77 | -- | -- |
| Top 50% Difference | -2.16 | -- | -- |
| Bottom 50% Difference | -3.64 | -- | -- |
| Bottom 25% Difference | +4.90 | -- | -- |
| Bottom 10% Difference | -9.00 | -- | -- |
| Athlete | Team | Difference | This Meet | That Meet |
|---|---|---|---|---|
| Vincent Perozze | Perkiomen Valley | -8.90 | 16:27.30 | 16:36.20 |
| Chris Campbell | Council Rock North | +6.00 | 16:54.00 | 16:48.00 |
| Michael Mahoney | Council Rock North | -5.40 | 16:58.10 | 17:03.50 |
| Phil Wahlman | Council Rock North | +1.80 | 18:23.80 | 18:22.00 |
| Joel Rabinowitz | Council Rock North | -4.30 | 18:29.50 | 18:33.80 |
| Michael Peterson | Council Rock North | +1:42.90 | 20:15.40 | 18:32.50 |
| Elizabeth Simpson | Boyertown | -29.10 | 19:25.00 | 19:54.10 |
| Kaylee Irwin | Hatboro Horsham | -1:19.20 | 19:38.20 | 20:57.40 |
| Lindsay Kerr | Northwestern Lehigh | -3.80 | 19:43.90 | 19:47.70 |
| Natalie Boehm | Northwestern Lehigh | -9.00 | 22:45.90 | 22:54.90 |