Pairwise course analysis
Brooks School 5Kvs.Williston Northampton School 5K
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
These courses run about even
-0.20%
Roughly 2.4 seconds faster for a 20:00 runner
Paired observations
26
Developing evidence
Median difference
-3.88%
Middle runner-season comparison
Overall estimate
-0.20%
Network-adjusted course estimate
Middle 50% range
+2.66%
Observed variation (IQR)
Direction and magnitude
Relative course speed
Confidence interval
-5.53% to -3.34%
Scale shown
-6% to +6%
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 | Williston Northampton School 5K | Difference |
|---|---|---|---|---|
| Paul Tompros | 2025 | 25:58.931 race | 23:11.001 race | -10.77% |
| Robert Peirce | 2025 | 21:49.171 race | 19:42.001 race | -9.71% |
| Kolby Sahin | 2025 | 23:59.071 race | 21:41.001 race | -9.59% |
| James Kerr | 2025 | 17:23.601 race | 16:18.001 race | -6.29% |
| Thomas Casall | 2025 | 23:56.561 race | 22:27.001 race | -6.23% |
| Ben Romano | 2025 | 21:18.271 race | 20:01.001 race | -6.04% |
| Seamus McFarland | 2025 | 20:59.841 race | 19:47.001 race | -5.78% |
| Lincoln Hyatt | 2025 | 18:31.341 race | 17:33.001 race | -5.25% |
| Owen Haskell | 2025 | 20:21.191 race | 19:18.001 race | -5.17% |
| KJ Irving | 2025 | 22:14.781 race | 21:06.001 race | -5.15% |
| Oliver Massey | 2025 | 20:47.601 race | 19:44.001 race | -5.10% |
| Max Kesselheim | 2025 | 20:43.471 race | 19:45.001 race | -4.70% |
| Riley Alqueza | 2025 | 22:35.081 race | 21:42.001 race | -3.92% |
| Calvin Jacobs | 2025 | 20:19.931 race | 19:33.001 race | -3.85% |
| Nick Glaeser | 2025 | 23:32.581 race | 22:39.001 race | -3.79% |
| Liam Walsh | 2025 | 18:02.091 race | 17:24.001 race | -3.52% |
| Oliver Colbert | 2025 | 23:22.151 race | 22:33.001 race | -3.51% |
| Avish Kumar | 2025 | 24:06.431 race | 23:18.001 race | -3.35% |
| Fin Reichard | 2025 | 20:13.331 race | 19:34.001 race | -3.24% |
| Eric Archerman | 2025 | 18:41.781 race | 18:07.001 race | -3.10% |
| Toby Harrison | 2025 | 18:56.021 race | 18:21.001 race | -3.08% |
| Julian Vidal | 2025 | 21:24.501 race | 20:57.001 race | -2.14% |
| Richie Federico | 2025 | 17:42.321 race | 17:20.001 race | -2.10% |
| Colin Bradley | 2025 | 18:58.151 race | 18:40.001 race | -1.59% |
| Quinn Bartling | 2025 | 21:20.301 race | 21:35.001 race | +1.15% |
| Brandon Abell | 2025 | 21:22.351 race | 21:41.001 race | +1.45% |