Pairwise course analysis
Rock Meadow Short Loop 5Kvs.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 faster
-2.47%
Roughly 29.6 seconds faster for a 20:00 runner
Paired observations
44
Strong evidence
Median difference
-2.49%
Middle runner-season comparison
Overall estimate
-2.47%
Network-adjusted course estimate
Middle 50% range
+4.39%
Observed variation (IQR)
Direction and magnitude
Relative course speed
Confidence interval
-4.91% to -2.22%
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 | Rock Meadow Short Loop 5K | Groton School | Difference |
|---|---|---|---|---|
| Jonathan Lai | 2019 | 37:41.001 race | 31:50.003 races | -15.52% |
| Jack Wang | 2019 | 23:50.001 race | 20:19.002 races | -14.76% |
| Jack Bolton | 2019 | 29:06.001 race | 25:30.002 races | -12.37% |
| Oliver Ye | 2019 | 24:10.001 race | 21:30.002 races | -11.03% |
| Andrew Porter | 2019 | 26:34.001 race | 23:39.002 races | -10.98% |
| Kaiden Thomas | 2019 | 25:24.001 race | 23:03.003 races | -9.25% |
| Tyler Weisberg | 2019 | 21:02.001 race | 19:16.002 races | -8.40% |
| Jeremy Gall | 2019 | 26:38.001 race | 24:24.003 races | -8.39% |
| Luca Mezzanotte | 2022 | 21:08.001 race | 19:54.001 race | -5.84% |
| Tyler Santana | 2019 | 27:20.001 race | 25:48.002 races | -5.61% |
| Powers Trigg | 2019 | 19:44.001 race | 18:42.001 race | -5.24% |
| Reuben Siegel | 2022 | 24:19.001 race | 23:07.001 race | -4.93% |
| Miles Sandoski | 2022 | 17:48.001 race | 16:58.001 race | -4.68% |
| Ryder Cavanagh | 2019 | 19:42.001 race | 18:49.002 races | -4.48% |
| Ian Schmidek | 2022 | 27:47.001 race | 26:48.001 race | -3.54% |
| Robert Hong | 2019 | 22:52.001 race | 22:05.003 races | -3.43% |
| Michael Lu | 2019 | 22:41.001 race | 21:59.002 races | -3.09% |
| Derek Chang | 2019 | 19:15.001 race | 18:41.003 races | -2.94% |
| Alan Du | 2019 | 20:30.001 race | 19:56.003 races | -2.76% |
| Davis Woolbert | 2022 | 18:18.001 race | 17:48.001 race | -2.73% |
| Joey O'Brien | 2019 | 20:03.001 race | 19:32.003 races | -2.58% |
| Michael Bobo | 2022 | 21:21.001 race | 20:49.001 race | -2.50% |
| Andrew Mazza | 2019 | 19:31.001 race | 19:02.002 races | -2.48% |
| Nathaniel Voss | 2022 | 18:27.001 race | 18:02.001 race | -2.26% |
| Lawrence Li | 2019 | 21:10.001 race | 20:43.001 race | -2.13% |
| Juan-Pablo Fernandez Del Castillo | 2022 | 20:51.001 race | 20:25.001 race | -2.08% |
| Griffin Johnson | 2019 | 22:23.001 race | 21:57.002 races | -1.94% |
| Henry Ramanathan | 2022 | 19:51.001 race | 19:28.001 race | -1.93% |
| Fitz Courtney | 2022 | 17:49.001 race | 17:30.001 race | -1.78% |
| Aaron Stanger | 2022 | 17:56.001 race | 17:40.001 race | -1.49% |
| Aidan Armaly | 2019 | 23:02.001 race | 22:46.003 races | -1.16% |
| Sam Harris | 2019 | 23:41.001 race | 23:25.003 races | -1.13% |
| Adrian Tan | 2022 | 23:31.001 race | 23:18.001 race | -0.92% |
| Ian Bayliss | 2019 | 19:20.001 race | 19:13.003 races | -0.60% |
| Jackson Pagan | 2022 | 18:39.001 race | 18:37.001 race | -0.18% |
| Alexander Behn | 2022 | 18:43.001 race | 18:44.001 race | +0.09% |
| Carver Porter | 2022 | 19:50.001 race | 19:54.001 race | +0.34% |
| Maksim Roman | 2022 | 19:03.001 race | 19:08.001 race | +0.44% |
| Jack Kastner | 2022 | 21:27.001 race | 21:33.001 race | +0.47% |
| Vivan Das | 2019 | 21:03.001 race | 21:20.003 races | +1.35% |
| Daniel Xie | 2022 | 21:48.001 race | 22:08.001 race | +1.53% |
| Jeremy Eaton | 2022 | 19:58.001 race | 20:17.001 race | +1.59% |
| Tobias Jonas | 2022 | 21:28.001 race | 22:10.001 race | +3.26% |
| Noah Bay | 2019 | 20:33.001 race | 21:16.003 races | +3.49% |