Pairwise course analysis
Highland Park Championship Coursevs.Groton School
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
Groton School runs slower
+1.83%
Roughly 22.0 seconds slower for a 20:00 runner
Paired observations
31
Developing evidence
Median difference
+0.24%
Middle runner-season comparison
Overall estimate
+1.83%
Network-adjusted course estimate
Middle 50% range
+6.78%
Observed variation (IQR)
Direction and magnitude
Relative course speed
Confidence interval
-1.68% to +1.74%
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 | Highland Park Championship Course | Groton School | Difference |
|---|---|---|---|---|
| Owen Richer | 2025 | 19:41.101 race | 17:57.001 race | -8.81% |
| Peter Duhamel | 2025 | 19:06.821 race | 17:57.001 race | -6.09% |
| Ella Cuccia | 2025 | 23:42.451 race | 22:24.001 race | -5.52% |
| Lucy Walker | 2025 | 21:42.081 race | 20:32.001 race | -5.38% |
| Cole Miller | 2025 | 19:03.101 race | 18:10.001 race | -4.65% |
| Somers Estwanik | 2025 | 21:34.911 race | 20:36.001 race | -4.55% |
| Branford Chen | 2025 | 21:42.021 race | 20:43.001 race | -4.53% |
| Harry Wu | 2025 | 23:24.081 race | 22:31.001 race | -3.78% |
| Maia Soni | 2025 | 24:53.141 race | 23:57.001 race | -3.76% |
| Neela Soni | 2025 | 26:42.461 race | 25:49.001 race | -3.34% |
| Eleanor Lial | 2025 | 20:21.871 race | 19:43.001 race | -3.18% |
| Quinn Mason | 2025 | 21:13.511 race | 20:47.001 race | -2.08% |
| Catherine Maloney | 2025 | 25:59.151 race | 25:39.001 race | -1.29% |
| Pepper Taylor | 2023 | 26:19.001 race | 26:12.001 race | -0.44% |
| CJ Briere | 2025 | 19:52.891 race | 19:48.001 race | -0.41% |
| Claire Hackel | 2025 | 20:55.931 race | 20:59.001 race | +0.24% |
| Camille Destefano | 2023 | 27:54.001 race | 27:59.001 race | +0.30% |
| Reagan Whitaker | 2023 | 24:35.001 race | 24:42.001 race | +0.47% |
| Nolan McNeil | 2023 | 21:00.001 race | 21:19.001 race | +1.51% |
| Grant Vensel | 2025 | 20:51.231 race | 21:11.001 race | +1.58% |
| Alex Young | 2023 | 17:51.001 race | 18:11.001 race | +1.87% |
| Percy Gao | 2025 | 20:13.941 race | 20:38.001 race | +1.98% |
| Jason Minicozzi | 2023 | 17:40.001 race | 18:08.001 race | +2.64% |
| Gillian Griffin | 2025 | 23:52.061 race | 24:33.001 race | +2.86% |
| Juliana Lynch | 2023 | 24:38.001 race | 25:25.001 race | +3.18% |
| Alex Spindt | 2023 | 23:33.001 race | 24:29.001 race | +3.96% |
| Justin Jang | 2023 | 18:01.001 race | 18:57.001 race | +5.18% |
| Sam Blank | 2023 | 19:25.001 race | 20:28.001 race | +5.41% |
| Emme Salyer | 2023 | 21:24.001 race | 23:10.001 race | +8.26% |
| Keira McNeil | 2023 | 29:59.001 race | 32:55.001 race | +9.78% |
| Alison Leiva | 2023 | 29:17.001 race | 32:58.001 race | +12.58% |