Pairwise course analysis
Rock Meadow Short Loop 5Kvs.LA 5K 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
LA 5K Course runs slower
+1.74%
Roughly 20.9 seconds slower for a 20:00 runner
Paired observations
45
Strong evidence
Median difference
+5.50%
Middle runner-season comparison
Overall estimate
+1.74%
Network-adjusted course estimate
Middle 50% range
+6.40%
Observed variation (IQR)
Direction and magnitude
Relative course speed
Confidence interval
+5.89% to +9.96%
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 | Rock Meadow Short Loop 5K | LA 5K Course | Difference |
|---|---|---|---|---|
| Ian Choe | 2021 | 35:47.001 race | 32:39.001 race | -8.76% |
| Michael Bobo | 2021 | 21:55.001 race | 21:28.001 race | -2.05% |
| Nathan Pappas | 2021 | 23:04.001 race | 23:09.001 race | +0.36% |
| Carver Porter | 2021 | 21:29.001 race | 21:56.001 race | +2.09% |
| Jacob Cifuentes | 2021 | 33:00.001 race | 33:52.001 race | +2.63% |
| Jeremy Eaton | 2021 | 21:02.001 race | 21:36.001 race | +2.69% |
| Leo Gu | 2022 | 21:37.001 race | 22:18.001 race | +3.16% |
| Duncan Kilbride | 2021 | 20:26.001 race | 21:09.001 race | +3.51% |
| Henry Wang | 2021 | 25:02.001 race | 25:57.001 race | +3.66% |
| Paris Liston | 2021 | 20:12.001 race | 20:57.001 race | +3.71% |
| Angus Harrison | 2021 | 20:02.001 race | 20:48.001 race | +3.83% |
| Winston Yeung | 2022 | 26:39.001 race | 27:41.001 race | +3.88% |
| AJ Gorman | 2021 | 18:01.001 race | 18:46.001 race | +4.16% |
| James McCarron III | 2022 | 16:21.001 race | 17:02.001 race | +4.18% |
| Grant Vensel | 2022 | 20:20.001 race | 21:15.001 race | +4.51% |
| Aaron Stanger | 2021 | 19:07.001 race | 19:59.001 race | +4.53% |
| Arec Keomurjian | 2021 | 19:20.001 race | 20:15.001 race | +4.74% |
| James Donahue | 2021 | 16:06.001 race | 16:53.001 race | +4.87% |
| Jackson Pagan | 2021 | 20:04.001 race | 21:03.001 race | +4.90% |
| Davis Woolbert | 2021 | 19:21.001 race | 20:21.001 race | +5.17% |
| Thomas Romney | 2021 | 19:13.001 race | 20:16.001 race | +5.46% |
| Jonathan Cajamarca | 2022 | 19:30.001 race | 20:34.001 race | +5.47% |
| William Trautz | 2021 | 18:29.001 race | 19:30.001 race | +5.50% |
| Andrew Bittner | 2021 | 21:46.001 race | 23:01.001 race | +5.74% |
| Nathaniel Voss | 2021 | 19:24.001 race | 20:38.001 race | +6.36% |
| Riley Eyman | 2022 | 22:16.001 race | 23:48.001 race | +6.89% |
| Austin Boardo | 2022 | 24:44.001 race | 26:28.001 race | +7.01% |
| Reuben Siegel | 2021 | 22:23.001 race | 24:07.001 race | +7.74% |
| Ryan Growney | 2022 | 18:58.001 race | 20:42.001 race | +9.14% |
| Miles Sandoski | 2021 | 17:47.001 race | 19:29.001 race | +9.56% |
| David Xie | 2021 | 26:12.001 race | 28:50.001 race | +10.05% |
| James Nichols-Worley | 2021 | 19:43.001 race | 21:44.001 race | +10.23% |
| Liam Mulvihill | 2021 | 28:40.001 race | 31:38.001 race | +10.35% |
| Eric Zhang | 2021 | 22:57.001 race | 25:22.001 race | +10.53% |
| Dylan Zaterka | 2021 | 20:12.001 race | 22:25.001 race | +10.97% |
| Hayden Gobron | 2021 | 19:22.001 race | 21:32.001 race | +11.19% |
| Arjun Yerabothu | 2021 | 26:15.001 race | 29:52.001 race | +13.78% |
| Sebastian Rome | 2021 | 20:39.001 race | 24:03.001 race | +16.46% |
| Will Ryckman | 2021 | 20:34.001 race | 24:03.001 race | +16.94% |
| Liam Childs | 2021 | 22:07.001 race | 25:57.001 race | +17.33% |
| Martin Li | 2021 | 23:33.001 race | 27:41.001 race | +17.55% |
| Condy Bao | 2021 | 22:19.001 race | 27:06.001 race | +21.43% |
| Martin Ma | 2021 | 26:48.001 race | 32:38.001 race | +21.77% |
| Jeff Wang | 2021 | 28:25.001 race | 34:57.001 race | +22.99% |
| Arthur Gao | 2021 | 26:56.001 race | 34:53.001 race | +29.52% |