Pairwise course analysis
Washington Park 5K Coursevs.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 slower
+2.62%
Roughly 31.5 seconds slower for a 20:00 runner
Paired observations
41
Strong evidence
Median difference
+4.36%
Middle runner-season comparison
Overall estimate
+2.62%
Network-adjusted course estimate
Middle 50% range
+7.46%
Observed variation (IQR)
Direction and magnitude
Relative course speed
Confidence interval
+4.16% to +9.50%
Scale shown
-10% to +10%
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 | Washington Park 5K Course | Rock Meadow Short Loop 5K | Difference |
|---|---|---|---|---|
| Joshua Resnick | 2025 | 19:55.002 races | 19:13.001 race | -3.51% |
| David Xiong | 2025 | 18:38.001 race | 18:08.001 race | -2.68% |
| Xuton Tang | 2025 | 18:48.001 race | 18:30.001 race | -1.60% |
| Xutin Tang | 2025 | 18:47.001 race | 18:32.001 race | -1.33% |
| Alex Berk | 2025 | 21:43.001 race | 21:34.001 race | -0.69% |
| Finley Long | 2025 | 20:10.001 race | 20:04.001 race | -0.50% |
| Eric Zhang | 2021 | 22:55.001 race | 22:57.001 race | +0.15% |
| Peilin Li | 2025 | 20:06.001 race | 20:11.001 race | +0.41% |
| Henry Pojasek | 2025 | 21:53.001 race | 22:06.001 race | +0.99% |
| Ryan Hung | 2021 | 19:52.001 race | 20:09.001 race | +1.43% |
| B Kwan | 2021 | 22:44.001 race | 23:11.001 race | +1.98% |
| Alexander Cederbaum | 2025 | 21:36.001 race | 22:05.001 race | +2.24% |
| Hayden Gobron | 2021 | 18:56.001 race | 19:22.001 race | +2.29% |
| Dylan Zaterka | 2021 | 19:44.001 race | 20:12.001 race | +2.36% |
| Martin Li | 2021 | 22:57.001 race | 23:33.001 race | +2.61% |
| Matthew Ding | 2025 | 21:41.001 race | 22:21.001 race | +3.07% |
| John Joyce | 2024 | 16:36.001 race | 17:09.001 race | +3.31% |
| James Nichols-Worley | 2021 | 19:03.001 race | 19:43.001 race | +3.50% |
| Antonio Martinez | 2024 | 19:26.001 race | 20:09.001 race | +3.69% |
| Cormac Anderson | 2024 | 21:33.001 race | 22:25.001 race | +4.02% |
| Joseph Koh | 2024 | 17:59.001 race | 18:46.001 race | +4.36% |
| Luis Sosa Espinal | 2024 | 20:35.001 race | 21:34.001 race | +4.78% |
| Ian Bayliss | 2019 | 18:24.001 race | 19:20.001 race | +5.07% |
| David Moon | 2025 | 21:53.001 race | 23:06.001 race | +5.56% |
| Alexander Wasynczuk | 2024 | 19:20.001 race | 20:30.001 race | +6.03% |
| Ryder Cavanagh | 2019 | 18:25.001 race | 19:42.001 race | +6.97% |
| Condy Bao | 2021 | 20:48.001 race | 22:19.001 race | +7.29% |
| Tyler Santana | 2019 | 25:08.001 race | 27:20.001 race | +8.75% |
| Kaiden Thomas | 2019 | 23:20.001 race | 25:24.001 race | +8.86% |
| Robert Hong | 2019 | 20:57.001 race | 22:52.001 race | +9.15% |
| Derek Chang | 2019 | 17:34.001 race | 19:15.001 race | +9.58% |
| Michael Lu | 2019 | 20:34.001 race | 22:41.001 race | +10.29% |
| Andrew Mazza | 2019 | 17:39.001 race | 19:31.001 race | +10.58% |
| Vivan Das | 2019 | 19:02.001 race | 21:03.001 race | +10.60% |
| Sam Harris | 2019 | 20:44.001 race | 23:41.001 race | +14.23% |
| Oliver Ye | 2019 | 21:09.001 race | 24:10.001 race | +14.26% |
| Griffin Johnson | 2019 | 19:33.001 race | 22:23.001 race | +14.49% |
| Tyler Weisberg | 2019 | 17:44.001 race | 21:02.001 race | +18.61% |
| Jack Wang | 2019 | 19:19.001 race | 23:50.001 race | +23.38% |
| David Porter | 2019 | 25:28.001 race | 34:15.001 race | +34.49% |
| Jonathan Lai | 2019 | 26:05.001 race | 37:41.001 race | +44.47% |