Pairwise course analysis
Noble and Greenough School 5Kvs.Rock Meadow Short Loop 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 Short Loop 5K runs faster
-2.99%
Roughly 35.9 seconds faster for a 20:00 runner
Paired observations
59
Strong evidence
Median difference
-3.57%
Middle runner-season comparison
Overall estimate
-2.99%
Network-adjusted course estimate
Middle 50% range
+3.25%
Observed variation (IQR)
Direction and magnitude
Relative course speed
Rock Meadow Short Loop 5K fasterEvenRock Meadow Short Loop 5K slower
Confidence interval
-3.91% to -1.66%
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 | Noble and Greenough School 5K | Rock Meadow Short Loop 5K | Difference |
|---|---|---|---|---|
| Sam Jankey | 2019 | 26:43.004 races | 23:04.001 race | -13.66% |
| David Xiong | 2025 | 19:55.001 race | 18:08.001 race | -8.95% |
| Xuton Tang | 2025 | 20:17.001 race | 18:30.001 race | -8.79% |
| Charlie Guerra | 2019 | 23:31.004 races | 21:35.001 race | -8.22% |
| Henry Pojasek | 2025 | 24:02.001 race | 22:06.001 race | -8.04% |
| Xavier Welch | 2019 | 30:15.004 races | 28:10.001 race | -6.89% |
| Nathaniel Voss | 2021 | 20:44.001 race | 19:24.001 race | -6.43% |
| Davis Woolbert | 2021 | 20:39.001 race | 19:21.001 race | -6.30% |
| Matthew Ding | 2025 | 23:47.001 race | 22:21.001 race | -6.03% |
| David Hermanson | 2019 | 22:46.002 races | 21:28.001 race | -5.71% |
| Daniel Xie | 2021 | 23:43.001 race | 22:24.001 race | -5.55% |
| Sammy Guerrero | 2019 | 23:56.004 races | 22:40.001 race | -5.29% |
| Patrick Denning | 2019 | 22:20.004 races | 21:11.001 race | -5.15% |
| Shawn Wu | 2019 | 22:47.004 races | 21:38.001 race | -5.05% |
| Carver Porter | 2021 | 22:37.001 race | 21:29.001 race | -5.01% |
| Peilin Li | 2025 | 21:14.001 race | 20:11.001 race | -4.95% |
| Noah Avram | 2025 | 23:21.001 race | 22:12.001 race | -4.93% |
| Jeremy Eaton | 2021 | 22:07.001 race | 21:02.001 race | -4.90% |
| Justin Qin | 2019 | 19:42.004 races | 18:47.001 race | -4.65% |
| James Donahue | 2021 | 16:52.001 race | 16:06.001 race | -4.55% |
| Alexander Cederbaum | 2025 | 23:07.001 race | 22:05.001 race | -4.47% |
| Joshua Resnick | 2025 | 20:05.001 race | 19:13.001 race | -4.32% |
| Alex Berk | 2025 | 22:31.001 race | 21:34.001 race | -4.22% |
| Jackson Pagan | 2021 | 20:57.001 race | 20:04.001 race | -4.22% |
| Eliot Saad | 2025 | 19:45.001 race | 18:57.001 race | -4.05% |
| Sam Millay | 2019 | 24:57.003 races | 23:59.001 race | -3.87% |
| Arec Keomurjian | 2021 | 20:05.001 race | 19:20.001 race | -3.73% |
| Paris Liston | 2021 | 20:59.001 race | 20:12.001 race | -3.73% |
| Justin Power | 2019 | 24:07.004 races | 23:15.001 race | -3.59% |
| Harrison Theriault | 2019 | 25:11.003 races | 24:17.001 race | -3.57% |
| Max Hall | 2019 | 20:44.004 races | 20:00.001 race | -3.54% |
| Ezra Lee | 2021 | 20:26.001 race | 19:44.001 race | -3.43% |
| Michael Bobo | 2021 | 22:40.001 race | 21:55.001 race | -3.31% |
| Khalid Abdulle | 2019 | 22:37.003 races | 21:53.001 race | -3.24% |
| Liam Nawara | 2019 | 24:32.004 races | 23:45.001 race | -3.19% |
| Duncan Kilbride | 2021 | 21:03.001 race | 20:26.001 race | -2.93% |
| Ryan Swords | 2019 | 21:55.003 races | 21:20.001 race | -2.66% |
| Luca Mezzanotte | 2021 | 22:52.001 race | 22:18.001 race | -2.48% |
| Miles Sandoski | 2021 | 18:14.001 race | 17:47.001 race | -2.47% |
| Carter Bartel | 2019 | 21:59.004 races | 21:27.001 race | -2.43% |
| Aaron Stanger | 2021 | 19:31.001 race | 19:07.001 race | -2.05% |
| William Trautz | 2021 | 18:52.001 race | 18:29.001 race | -2.03% |
| Andrew Kasparyan | 2019 | 20:48.004 races | 20:23.001 race | -2.00% |
| Chris Millay | 2019 | 20:37.004 races | 20:13.001 race | -1.94% |
| Wyatt Ellison | 2019 | 23:33.004 races | 23:07.001 race | -1.84% |
| Thomas Romney | 2021 | 19:27.001 race | 19:13.001 race | -1.20% |
| Jacob Casper | 2019 | 26:30.004 races | 26:16.001 race | -0.88% |
| Ethan Anderson | 2019 | 20:34.003 races | 20:34.001 race | 0.00% |
| Rishi Khanna | 2019 | 21:17.001 race | 21:24.001 race | +0.55% |
| Nathan Pappas | 2021 | 22:55.001 race | 23:04.001 race | +0.65% |
| Arnav Harve | 2019 | 23:18.004 races | 23:37.001 race | +1.36% |
| Niki Apostolicas | 2019 | 21:41.003 races | 21:59.001 race | +1.38% |
| Luke Hotra | 2019 | 25:24.004 races | 25:47.001 race | +1.51% |
| Om Paithankar | 2019 | 23:11.004 races | 23:36.001 race | +1.80% |
| Nick Rodriguez | 2019 | 21:20.002 races | 22:25.001 race | +5.08% |
| Charles Wang | 2019 | 23:21.002 races | 25:25.001 race | +8.85% |
| Vikrum Singh | 2019 | 24:00.003 races | 26:22.001 race | +9.86% |
| Chris Athanasia | 2019 | 23:17.003 races | 25:36.001 race | +9.95% |
| Kevin Chen | 2019 | 24:54.003 races | 27:32.001 race | +10.58% |