Pairwise course analysis
Rock Meadow 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
-2.78%
Roughly 33.4 seconds faster for a 20:00 runner
Paired observations
39
Developing evidence
Median difference
-2.98%
Middle runner-season comparison
Overall estimate
-2.78%
Network-adjusted course estimate
Middle 50% range
+3.58%
Observed variation (IQR)
Direction and magnitude
Relative course speed
Confidence interval
-4.50% to -2.69%
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 5K | Groton School | Difference |
|---|---|---|---|---|
| Mateo Garciarramos-Petrici | 2023 | 30:33.001 race | 26:48.003 races | -12.27% |
| Jeffrey Wu | 2023 | 26:39.001 race | 23:46.003 races | -10.82% |
| Michael Lu | 2023 | 20:49.001 race | 19:12.003 races | -7.77% |
| Henry Ramanathan | 2022 | 20:56.001 race | 19:28.001 race | -7.01% |
| Davin Roy | 2022 | 23:58.001 race | 22:18.001 race | -6.95% |
| Ezra Lee | 2022 | 20:52.001 race | 19:33.001 race | -6.31% |
| Juan-Pablo Fernandez Del Castillo | 2022 | 21:47.001 race | 20:25.001 race | -6.27% |
| Andrew Bittner | 2022 | 21:04.001 race | 19:51.001 race | -5.78% |
| Aryan Mago | 2023 | 22:32.001 race | 21:19.003 races | -5.40% |
| Jeremy Eaton | 2022 | 21:24.001 race | 20:17.001 race | -5.22% |
| Wesley Lindstrom-Chalpin | 2022 | 26:00.001 race | 24:42.001 race | -5.00% |
| Alexander Behn | 2022 | 19:33.001 race | 18:44.001 race | -4.18% |
| Thaddaeus Flatz-Ehrfeld | 2023 | 22:13.001 race | 21:21.003 races | -3.90% |
| Maxwell Rothman | 2023 | 26:38.001 race | 25:41.002 races | -3.57% |
| Jack Kastner | 2022 | 22:18.001 race | 21:33.001 race | -3.36% |
| Owen Spring | 2023 | 25:26.001 race | 24:35.002 races | -3.34% |
| Maksim Roman | 2022 | 19:47.001 race | 19:08.001 race | -3.29% |
| Christopher Hovet | 2023 | 17:03.001 race | 16:30.003 races | -3.23% |
| Daniel Xie | 2022 | 22:52.001 race | 22:08.001 race | -3.21% |
| William Chen | 2023 | 22:23.001 race | 21:43.001 race | -2.98% |
| Aaron Stanger | 2022 | 18:12.001 race | 17:40.001 race | -2.93% |
| Adrian Tan | 2022 | 24:00.001 race | 23:18.001 race | -2.92% |
| Jackson Pagan | 2022 | 19:07.001 race | 18:37.001 race | -2.62% |
| Fitz Courtney | 2022 | 17:58.001 race | 17:30.001 race | -2.60% |
| Chase Bellamy | 2023 | 20:24.001 race | 19:53.003 races | -2.53% |
| Raymond Hildreth | 2023 | 21:15.001 race | 20:47.003 races | -2.20% |
| William Trautz | 2022 | 17:42.001 race | 17:20.001 race | -2.07% |
| Miles Sandoski | 2022 | 17:19.001 race | 16:58.001 race | -2.02% |
| Davis Woolbert | 2022 | 18:10.001 race | 17:48.001 race | -2.02% |
| Sahovan Modi | 2023 | 21:30.001 race | 21:12.003 races | -1.40% |
| Reuben Siegel | 2022 | 23:26.001 race | 23:07.001 race | -1.35% |
| Philip Holland | 2023 | 21:43.001 race | 21:27.003 races | -1.23% |
| Nathaniel Voss | 2022 | 18:15.001 race | 18:02.001 race | -1.19% |
| Tobias Jonas | 2022 | 22:24.001 race | 22:10.001 race | -1.04% |
| Carver Porter | 2022 | 20:06.001 race | 19:54.001 race | -1.00% |
| David Yu | 2023 | 24:46.001 race | 24:32.003 races | -0.94% |
| Liam Warren | 2023 | 19:34.001 race | 19:24.003 races | -0.85% |
| Luca Mezzanotte | 2022 | 19:56.001 race | 19:54.001 race | -0.17% |
| Jeremy Gall | 2023 | 19:03.001 race | 19:28.003 races | +2.19% |