Pairwise course analysis
St. Mark's School Championship Coursevs.Championship 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
Championship 5K runs faster
-8.88%
Roughly 1:47 faster for a 20:00 runner
Paired observations
41
Strong evidence
Median difference
-9.48%
Middle runner-season comparison
Overall estimate
-8.88%
Network-adjusted course estimate
Middle 50% range
+3.69%
Observed variation (IQR)
Direction and magnitude
Relative course speed
Confidence interval
-11.97% to -7.96%
Scale shown
-12% to +12%
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 | St. Mark's School Championship Course | Championship 5K | Difference |
|---|---|---|---|---|
| Tabor Wilson | 2019 | 33:39.001 race | 20:26.001 race | -39.28% |
| Hugh Park | 2019 | 27:18.001 race | 22:21.001 race | -18.13% |
| Adam Jac | 2019 | 23:09.001 race | 19:35.001 race | -15.41% |
| Kiet Nguyen | 2019 | 23:10.001 race | 19:49.001 race | -14.46% |
| Patrick Riley | 2019 | 24:07.001 race | 20:50.001 race | -13.61% |
| Gavin Shan | 2019 | 25:55.001 race | 22:35.001 race | -12.86% |
| Jack Carolan | 2019 | 27:29.001 race | 24:03.001 race | -12.49% |
| Forrest Feist | 2019 | 29:38.001 race | 26:04.001 race | -12.04% |
| Preston Spaan | 2019 | 21:43.002 races | 19:18.001 race | -11.13% |
| Andrew Young | 2019 | 24:47.001 race | 22:07.001 race | -10.76% |
| Cam Dailey | 2019 | 22:08.001 race | 19:48.001 race | -10.54% |
| Jason Lee | 2019 | 22:15.002 races | 19:57.001 race | -10.34% |
| Joshua Rocha | 2019 | 20:53.001 race | 18:45.001 race | -10.22% |
| Peter Yu | 2019 | 22:31.002 races | 20:14.001 race | -10.14% |
| Oliver Kim | 2019 | 25:50.001 race | 23:13.001 race | -10.13% |
| Jonathan Cajamarca | 2019 | 20:16.002 races | 18:13.001 race | -10.12% |
| Tyler Cornetta | 2019 | 21:34.001 race | 19:24.001 race | -10.05% |
| Naji Karam | 2019 | 22:49.002 races | 20:36.001 race | -9.72% |
| Oscar King | 2019 | 20:43.002 races | 18:44.001 race | -9.57% |
| Walt Reagan-Loomis | 2019 | 22:06.001 race | 20:00.001 race | -9.50% |
| Grant Reagan-Loomis | 2019 | 20:55.001 race | 18:56.001 race | -9.48% |
| Juliana Di Napoli | 2019 | 26:50.002 races | 24:27.001 race | -8.88% |
| Ethan Choung | 2019 | 22:58.002 races | 20:57.001 race | -8.78% |
| Arhant Ghanta | 2019 | 23:20.001 race | 21:22.001 race | -8.43% |
| Sam Kim | 2019 | 25:15.001 race | 23:11.001 race | -8.18% |
| Zuriel Jimenez | 2019 | 27:07.002 races | 24:54.001 race | -8.17% |
| Sawyer Helzberg | 2019 | 21:10.001 race | 19:29.001 race | -7.95% |
| Eli Helzberg | 2019 | 21:28.001 race | 19:47.001 race | -7.84% |
| Nathan An | 2019 | 22:25.002 races | 20:41.001 race | -7.73% |
| Oliver Carswell | 2019 | 21:05.001 race | 19:31.001 race | -7.43% |
| Maya Daly | 2019 | 24:38.002 races | 22:51.001 race | -7.24% |
| Cole Zaleski | 2019 | 20:07.001 race | 18:41.001 race | -7.13% |
| Shu Ke | 2019 | 27:38.001 race | 25:40.001 race | -7.12% |
| Meredith Broadus | 2019 | 27:19.002 races | 25:30.001 race | -6.65% |
| Camryn Flessel | 2019 | 23:48.001 race | 22:18.001 race | -6.30% |
| Adam Jin | 2019 | 24:33.001 race | 23:11.001 race | -5.57% |
| Allen Xia | 2019 | 23:12.002 races | 21:59.001 race | -5.24% |
| Daniel Reyes | 2019 | 24:27.001 race | 23:23.001 race | -4.36% |
| Chase Farrick | 2019 | 20:27.002 races | 19:42.001 race | -3.67% |
| Corinne O'Loughlin | 2019 | 24:44.002 races | 23:59.001 race | -3.03% |
| Gabriel Yu | 2019 | 22:58.001 race | 22:41.001 race | -1.23% |