Pairwise course analysis
Taft School 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
+0.26%
Roughly 3.2 seconds slower for a 20:00 runner
Paired observations
26
Developing evidence
Median difference
+1.10%
Middle runner-season comparison
Overall estimate
+0.26%
Network-adjusted course estimate
Middle 50% range
+4.16%
Observed variation (IQR)
Direction and magnitude
Relative course speed
Confidence interval
-0.15% to +2.86%
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 | Taft School 5K | LA 5K Course | Difference |
|---|---|---|---|---|
| Colin Grierson | 2025 | 19:31.001 race | 18:42.001 race | -4.18% |
| James Palumbo | 2025 | 22:01.001 race | 21:12.001 race | -3.71% |
| Yamin Ibrahim | 2025 | 18:36.001 race | 18:04.001 race | -2.87% |
| Declan Woolbert | 2025 | 18:35.001 race | 18:10.001 race | -2.24% |
| Miles Keller | 2025 | 19:18.001 race | 18:53.001 race | -2.16% |
| Thomas Egan | 2025 | 21:29.001 race | 21:06.001 race | -1.78% |
| Timothy Snail | 2025 | 18:53.001 race | 18:40.001 race | -1.15% |
| Fitz Courtney | 2025 | 17:58.001 race | 17:49.001 race | -0.83% |
| Eita Fuse | 2025 | 18:50.001 race | 18:44.001 race | -0.53% |
| Pierce Courtney | 2025 | 19:52.001 race | 19:48.001 race | -0.34% |
| Chiara Pai | 2025 | 23:51.001 race | 23:49.001 race | -0.14% |
| Jack Good | 2025 | 19:15.001 race | 19:26.001 race | +0.95% |
| Caleigh Feng | 2025 | 25:16.001 race | 25:31.001 race | +0.99% |
| William Achtmeyer | 2025 | 20:40.001 race | 20:55.001 race | +1.21% |
| Vera Zatlyn-Weiner | 2025 | 21:26.001 race | 21:42.001 race | +1.24% |
| William Trautz | 2025 | 15:49.001 race | 16:01.001 race | +1.26% |
| Clara Trautz | 2025 | 20:53.001 race | 21:14.001 race | +1.68% |
| Riley Marth | 2025 | 19:55.001 race | 20:18.001 race | +1.92% |
| Cecilia Korb | 2025 | 24:34.001 race | 25:16.001 race | +2.85% |
| Lexie Hoffmeister | 2025 | 24:37.001 race | 25:23.001 race | +3.11% |
| Blakeny Johnston | 2025 | 22:23.001 race | 23:06.001 race | +3.20% |
| Griffin Calhoun | 2025 | 20:08.001 race | 20:51.001 race | +3.56% |
| Christina Hall | 2025 | 26:48.001 race | 28:12.001 race | +5.22% |
| Natalia Calvillo | 2025 | 24:36.001 race | 26:15.001 race | +6.71% |
| Leah Farb | 2025 | 25:04.001 race | 27:18.001 race | +8.91% |
| Helena Struzziery | 2025 | 24:33.001 race | 27:59.001 race | +13.99% |