Pairwise course analysis
Groton Schoolvs.Rock Meadow 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
Rock Meadow 5K runs slower
+2.86%
Roughly 34.4 seconds slower for a 20:00 runner
Paired observations
39
Developing evidence
Median difference
+3.07%
Middle runner-season comparison
Overall estimate
+2.86%
Network-adjusted course estimate
Middle 50% range
+3.58%
Observed variation (IQR)
Direction and magnitude
Relative course speed
Confidence interval
+2.77% to +4.71%
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 | Groton School | Rock Meadow 5K | Difference |
|---|---|---|---|---|
| Jeremy Gall | 2023 | 19:28.003 races | 19:03.001 race | -2.14% |
| Luca Mezzanotte | 2022 | 19:54.001 race | 19:56.001 race | +0.17% |
| Liam Warren | 2023 | 19:24.003 races | 19:34.001 race | +0.86% |
| David Yu | 2023 | 24:32.003 races | 24:46.001 race | +0.95% |
| Carver Porter | 2022 | 19:54.001 race | 20:06.001 race | +1.01% |
| Tobias Jonas | 2022 | 22:10.001 race | 22:24.001 race | +1.05% |
| Nathaniel Voss | 2022 | 18:02.001 race | 18:15.001 race | +1.20% |
| Philip Holland | 2023 | 21:27.003 races | 21:43.001 race | +1.24% |
| Reuben Siegel | 2022 | 23:07.001 race | 23:26.001 race | +1.37% |
| Sahovan Modi | 2023 | 21:12.003 races | 21:30.001 race | +1.42% |
| Davis Woolbert | 2022 | 17:48.001 race | 18:10.001 race | +2.06% |
| Miles Sandoski | 2022 | 16:58.001 race | 17:19.001 race | +2.06% |
| William Trautz | 2022 | 17:20.001 race | 17:42.001 race | +2.12% |
| Raymond Hildreth | 2023 | 20:47.003 races | 21:15.001 race | +2.25% |
| Chase Bellamy | 2023 | 19:53.003 races | 20:24.001 race | +2.60% |
| Fitz Courtney | 2022 | 17:30.001 race | 17:58.001 race | +2.67% |
| Jackson Pagan | 2022 | 18:37.001 race | 19:07.001 race | +2.69% |
| Adrian Tan | 2022 | 23:18.001 race | 24:00.001 race | +3.00% |
| Aaron Stanger | 2022 | 17:40.001 race | 18:12.001 race | +3.02% |
| William Chen | 2023 | 21:43.001 race | 22:23.001 race | +3.07% |
| Daniel Xie | 2022 | 22:08.001 race | 22:52.001 race | +3.31% |
| Christopher Hovet | 2023 | 16:30.003 races | 17:03.001 race | +3.33% |
| Maksim Roman | 2022 | 19:08.001 race | 19:47.001 race | +3.40% |
| Owen Spring | 2023 | 24:35.002 races | 25:26.001 race | +3.46% |
| Jack Kastner | 2022 | 21:33.001 race | 22:18.001 race | +3.48% |
| Maxwell Rothman | 2023 | 25:41.002 races | 26:38.001 race | +3.70% |
| Thaddaeus Flatz-Ehrfeld | 2023 | 21:21.003 races | 22:13.001 race | +4.06% |
| Alexander Behn | 2022 | 18:44.001 race | 19:33.001 race | +4.36% |
| Wesley Lindstrom-Chalpin | 2022 | 24:42.001 race | 26:00.001 race | +5.26% |
| Jeremy Eaton | 2022 | 20:17.001 race | 21:24.001 race | +5.51% |
| Aryan Mago | 2023 | 21:19.003 races | 22:32.001 race | +5.71% |
| Andrew Bittner | 2022 | 19:51.001 race | 21:04.001 race | +6.13% |
| Juan-Pablo Fernandez Del Castillo | 2022 | 20:25.001 race | 21:47.001 race | +6.69% |
| Ezra Lee | 2022 | 19:33.001 race | 20:52.001 race | +6.73% |
| Davin Roy | 2022 | 22:18.001 race | 23:58.001 race | +7.47% |
| Henry Ramanathan | 2022 | 19:28.001 race | 20:56.001 race | +7.53% |
| Michael Lu | 2023 | 19:12.003 races | 20:49.001 race | +8.42% |
| Jeffrey Wu | 2023 | 23:46.003 races | 26:39.001 race | +12.13% |
| Mateo Garciarramos-Petrici | 2023 | 26:48.003 races | 30:33.001 race | +13.99% |