Pairwise course analysis
St. Sebastian's 5K Coursevs.St. Mark's School Championship Course
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
St. Mark's School Championship Course runs faster
-2.91%
Roughly 34.9 seconds faster for a 20:00 runner
Paired observations
80
Strong evidence
Median difference
-3.64%
Middle runner-season comparison
Overall estimate
-2.91%
Network-adjusted course estimate
Middle 50% range
+6.75%
Observed variation (IQR)
Direction and magnitude
Relative course speed
Confidence interval
-5.08% to -3.01%
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 | St. Sebastian's 5K Course | St. Mark's School Championship Course | Difference |
|---|---|---|---|---|
| Andrew Rodriguez | 2022 | 26:22.001 race | 22:09.001 race | -15.99% |
| Declan Woolbert | 2025 | 20:40.001 race | 17:42.002 races | -14.35% |
| Suhas Kaniyar | 2025 | 29:38.001 race | 25:27.002 races | -14.12% |
| Tim Guan | 2019 | 29:20.001 race | 25:38.001 race | -12.61% |
| Michael Kalinichenko | 2019 | 29:00.001 race | 25:35.001 race | -11.78% |
| Asher Parker-Sartori | 2019 | 28:56.001 race | 25:52.001 race | -10.60% |
| Adrian Chen | 2025 | 34:14.001 race | 30:38.002 races | -10.52% |
| Samuel Degrappo | 2022 | 21:01.001 race | 18:51.001 race | -10.31% |
| Gratian Ting | 2022 | 22:51.001 race | 20:40.001 race | -9.56% |
| Daniel Ko | 2019 | 26:01.001 race | 23:34.001 race | -9.42% |
| Kai On (Jason) Yu | 2022 | 22:09.001 race | 20:07.001 race | -9.18% |
| Riley Marth | 2025 | 20:59.001 race | 19:11.002 races | -8.58% |
| Yamin Ibrahim | 2025 | 19:03.001 race | 17:31.002 races | -8.05% |
| Tyler Smith | 2025 | 22:00.001 race | 20:18.002 races | -7.73% |
| Kevin Farmer | 2022 | 21:22.001 race | 19:44.001 race | -7.64% |
| Brady Payne | 2022 | 21:31.001 race | 19:55.001 race | -7.44% |
| Louis Chiasson | 2022 | 22:15.001 race | 20:36.001 race | -7.42% |
| Eita Fuse | 2025 | 19:01.001 race | 17:39.002 races | -7.19% |
| Jason Louie | 2022 | 22:16.001 race | 20:40.001 race | -7.19% |
| Jacob (Coby) Mulliken | 2022 | 21:27.001 race | 19:56.001 race | -7.07% |
| William Achtmeyer | 2025 | 22:19.001 race | 20:46.002 races | -6.95% |
| Jack Good | 2025 | 20:16.001 race | 18:54.002 races | -6.74% |
| Hudson Li | 2022 | 22:21.001 race | 20:51.001 race | -6.71% |
| Theodore Choe | 2022 | 20:12.001 race | 18:54.001 race | -6.44% |
| Shea McDonnell | 2025 | 22:26.001 race | 21:04.002 races | -6.09% |
| Alex Wu | 2019 | 19:43.001 race | 18:36.001 race | -5.66% |
| Serhii Malevych | 2022 | 27:22.001 race | 25:52.001 race | -5.48% |
| Thomas Egan | 2025 | 22:04.001 race | 20:52.002 races | -5.44% |
| Miles Keller | 2025 | 19:22.001 race | 18:19.002 races | -5.42% |
| Alex Chen | 2025 | 22:28.001 race | 21:15.002 races | -5.42% |
| Eli Berk | 2022 | 24:24.001 race | 23:05.001 race | -5.40% |
| Griffin Calhoun | 2025 | 20:27.001 race | 19:22.001 race | -5.30% |
| Colin Grierson | 2025 | 19:17.001 race | 18:23.002 races | -4.67% |
| Connor Steele | 2022 | 19:44.001 race | 18:51.001 race | -4.48% |
| Sebastian Culleton | 2022 | 19:48.001 race | 18:56.001 race | -4.38% |
| Andrew Gilmore | 2025 | 23:59.001 race | 23:00.002 races | -4.10% |
| Timothy Snail | 2025 | 19:15.001 race | 18:29.001 race | -3.98% |
| Patrick Snail | 2025 | 21:22.001 race | 20:34.001 race | -3.74% |
| Oscar Caprano | 2019 | 24:40.001 race | 23:46.001 race | -3.65% |
| Samuel Hinman | 2022 | 18:44.001 race | 18:03.001 race | -3.65% |
| Alexander Guo | 2025 | 22:58.001 race | 22:08.002 races | -3.63% |
| James Palumbo | 2025 | 21:57.001 race | 21:10.002 races | -3.57% |
| Owen Dowden | 2019 | 27:32.001 race | 26:34.001 race | -3.51% |
| William Hansen | 2019 | 21:51.001 race | 21:05.001 race | -3.51% |
| Jack Connors | 2022 | 18:16.001 race | 17:38.001 race | -3.47% |
| Gabriel (Gabby) Guerrero | 2022 | 18:41.001 race | 18:03.001 race | -3.39% |
| Christian Batemen | 2019 | 21:47.001 race | 21:04.001 race | -3.29% |
| William Hansen | 2022 | 20:40.001 race | 20:00.001 race | -3.23% |
| Chris Thompson | 2022 | 20:39.001 race | 20:05.001 race | -2.74% |
| Julian Li | 2019 | 19:37.001 race | 19:05.001 race | -2.72% |
| Samuel Hinman | 2019 | 18:53.001 race | 18:24.001 race | -2.56% |
| Thomas Flatley | 2019 | 18:52.001 race | 18:25.001 race | -2.39% |
| Louis Levy | 2019 | 22:27.001 race | 21:55.001 race | -2.38% |
| Zane Davis | 2019 | 24:09.001 race | 23:37.001 race | -2.21% |
| Ford Legg | 2019 | 22:11.001 race | 21:43.001 race | -2.10% |
| Elan Libman | 2025 | 23:58.001 race | 23:32.701 race | -1.76% |
| Sam Modur | 2019 | 24:10.001 race | 23:47.001 race | -1.59% |
| Andrew Monsalve | 2019 | 22:16.001 race | 21:58.001 race | -1.35% |
| Konstantin Lukin-Yelin | 2019 | 19:46.001 race | 19:34.001 race | -1.01% |
| Joseph Pandit | 2019 | 19:03.001 race | 18:53.001 race | -0.87% |
| Mark Wilson | 2019 | 20:28.001 race | 20:26.001 race | -0.16% |
| Charles Chen | 2019 | 23:20.001 race | 23:18.001 race | -0.14% |
| Augustus Hawk | 2019 | 22:13.001 race | 22:12.001 race | -0.08% |
| Alessandro Barbiellini | 2019 | 22:47.001 race | 22:46.001 race | -0.07% |
| Matthew Choumenkovitch | 2019 | 23:37.001 race | 23:36.001 race | -0.07% |
| Cooper Schuldt | 2025 | 19:24.001 race | 19:27.002 races | +0.26% |
| Sam Rabieh | 2019 | 18:03.001 race | 18:08.001 race | +0.46% |
| Theo Goldman | 2019 | 22:43.001 race | 22:53.001 race | +0.73% |
| Ryan Albertson | 2019 | 22:37.001 race | 22:50.001 race | +0.96% |
| Henry Gennari | 2019 | 22:39.001 race | 22:55.001 race | +1.18% |
| John Joyce | 2022 | 18:33.001 race | 18:48.001 race | +1.35% |
| Patrick McDonald | 2019 | 18:01.001 race | 18:18.001 race | +1.57% |
| Mathew Hong | 2019 | 19:08.001 race | 19:28.001 race | +1.74% |
| Jake Elkins | 2019 | 19:54.001 race | 20:17.001 race | +1.93% |
| Nicholas Tao | 2019 | 20:40.001 race | 21:07.001 race | +2.18% |
| William Trautz | 2025 | 16:31.001 race | 16:53.002 races | +2.22% |
| Ryan Loughran | 2019 | 19:13.001 race | 19:40.001 race | +2.34% |
| John Pena | 2025 | 22:38.001 race | 23:25.002 races | +3.46% |
| Haotong (HT) Xue | 2022 | 20:14.001 race | 21:09.001 race | +4.53% |
| Eddie Zhang | 2022 | 22:12.001 race | 24:59.001 race | +12.54% |