Pairwise course analysis
Brooks School 5Kvs.St. Sebastian's 5K Course
Based on runners who competed on both courses during the same season. Positive values mean the second course ran slower; negative values mean it ran faster.
Model verdict
St. Sebastian's 5K Course runs slower
+1.66%
Roughly 20.0 seconds slower for a 20:00 runner
Paired observations
42
Strong evidence
Median difference
+0.70%
Middle runner-season comparison
Overall estimate
+1.66%
Network-adjusted course estimate
Middle 50% range
+6.19%
Observed variation (IQR)
Direction and magnitude
Relative course speed
Confidence interval
-0.05% to +2.00%
Scale shown
-5% to +5%
Course context
The two courses
Underlying runner comparisons
Same-season evidence
Each row represents one runner-season with valid results on both courses. Median performances reduce the effect of one unusually good or poor race. JV and varsity results are included.
| Runner | Season | Brooks School 5K | St. Sebastian's 5K Course | Difference |
|---|---|---|---|---|
| William Hansen | 2022 | 21:52.001 race | 20:40.001 race | -5.49% |
| Tyler Cornetta | 2022 | 22:23.001 race | 21:16.001 race | -4.99% |
| Bobby Ferguson | 2025 | 23:09.991 race | 22:14.001 race | -4.03% |
| Ryan Connolly | 2025 | 22:07.191 race | 21:22.001 race | -3.40% |
| Richie Joyce | 2025 | 23:45.781 race | 23:02.001 race | -3.07% |
| John Joyce | 2025 | 17:24.171 race | 16:54.001 race | -2.89% |
| Sebastian Culleton | 2025 | 19:00.491 race | 18:28.001 race | -2.85% |
| Nate Bloomenthal | 2025 | 20:28.361 race | 19:57.001 race | -2.55% |
| Henry Bowman | 2025 | 22:08.121 race | 21:36.001 race | -2.42% |
| Anthony Marcucci | 2025 | 23:58.311 race | 23:25.001 race | -2.32% |
| Patrick McDonald | 2019 | 18:22.001 race | 18:01.001 race | -1.91% |
| Mark Wilson | 2019 | 20:50.001 race | 20:28.001 race | -1.76% |
| Cormac Anderson | 2025 | 22:17.131 race | 22:01.001 race | -1.21% |
| Samuel Hinman | 2019 | 19:04.001 race | 18:53.001 race | -0.96% |
| Patrick Fennell | 2025 | 21:30.461 race | 21:21.001 race | -0.73% |
| Alessandro Barbiellini | 2019 | 22:51.001 race | 22:47.001 race | -0.29% |
| Alex Young | 2022 | 20:10.001 race | 20:07.001 race | -0.25% |
| Joseph Ryan | 2025 | 24:12.591 race | 24:11.001 race | -0.11% |
| Jack Halloran | 2025 | 18:18.271 race | 18:19.001 race | +0.07% |
| Michael Kalinichenko | 2022 | 26:26.001 race | 26:28.001 race | +0.13% |
| Rohan Ghatge | 2025 | 22:31.101 race | 22:39.001 race | +0.58% |
| Henry Gennari | 2019 | 22:28.001 race | 22:39.001 race | +0.82% |
| Thomas Flatley | 2019 | 18:36.001 race | 18:52.001 race | +1.43% |
| Joseph Koh | 2025 | 19:28.081 race | 19:49.001 race | +1.79% |
| William Hansen | 2019 | 21:15.001 race | 21:51.001 race | +2.82% |
| Andrew Correia | 2022 | 21:38.001 race | 22:18.001 race | +3.08% |
| Liam Gavin | 2022 | 21:16.001 race | 21:57.001 race | +3.21% |
| Eddie Zhang | 2022 | 21:28.001 race | 22:12.001 race | +3.42% |
| Andrew Young | 2022 | 20:24.001 race | 21:12.001 race | +3.92% |
| Sebastian Culleton | 2022 | 19:03.001 race | 19:48.001 race | +3.94% |
| Jack Connors | 2022 | 17:33.001 race | 18:16.001 race | +4.08% |
| Samuel Lyons | 2022 | 18:02.001 race | 18:48.001 race | +4.25% |
| Bobby Brady | 2022 | 23:29.001 race | 24:30.001 race | +4.33% |
| John Joyce | 2022 | 17:46.001 race | 18:33.001 race | +4.41% |
| Matthew Choumenkovitch | 2022 | 23:32.001 race | 24:36.001 race | +4.53% |
| Samuel Hinman | 2022 | 17:53.001 race | 18:44.001 race | +4.75% |
| Chris Thompson | 2022 | 19:42.001 race | 20:39.001 race | +4.82% |
| Jason Minicozzi | 2022 | 19:07.001 race | 20:05.001 race | +5.06% |
| Henry Buckley-Jones | 2022 | 17:31.001 race | 18:27.001 race | +5.33% |
| Thomas Devlin | 2022 | 20:54.001 race | 22:02.001 race | +5.42% |
| Justin Jang | 2022 | 19:13.001 race | 20:22.001 race | +5.98% |
| Jonathan Demosthene | 2022 | 20:47.001 race | 22:03.001 race | +6.09% |