Pairwise course analysis
Championship 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
+11.98%
Roughly 2:24 slower for a 20:00 runner
Paired observations
15
Developing evidence
Median difference
+12.11%
Middle runner-season comparison
Overall estimate
+11.98%
Network-adjusted course estimate
Middle 50% range
+6.54%
Observed variation (IQR)
Direction and magnitude
Relative course speed
Confidence interval
+11.75% to +17.46%
Scale shown
-18% to +18%
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 | Championship 5K | LA 5K Course | Difference |
|---|---|---|---|---|
| Eli Helzberg | 2019 | 19:47.001 race | 21:30.001 race | +8.68% |
| Cole Zaleski | 2019 | 18:41.001 race | 20:35.001 race | +10.17% |
| Gavin Shan | 2019 | 22:35.001 race | 24:55.002 races | +10.33% |
| Arhant Ghanta | 2019 | 21:22.001 race | 23:39.002 races | +10.69% |
| Oliver Carswell | 2019 | 19:31.001 race | 21:39.001 race | +10.93% |
| Sawyer Helzberg | 2019 | 19:29.001 race | 21:41.001 race | +11.29% |
| Walt Reagan-Loomis | 2019 | 20:00.001 race | 22:21.001 race | +11.75% |
| Tyler Cornetta | 2019 | 19:24.001 race | 21:45.001 race | +12.11% |
| Grant Reagan-Loomis | 2019 | 18:56.001 race | 21:21.001 race | +12.76% |
| Joshua Rocha | 2019 | 18:45.001 race | 21:40.001 race | +15.56% |
| Andrew Young | 2019 | 22:07.001 race | 26:04.001 race | +17.86% |
| Kiet Nguyen | 2019 | 19:49.001 race | 23:26.002 races | +18.25% |
| Jack Carolan | 2019 | 24:03.001 race | 28:38.002 races | +19.06% |
| Patrick Riley | 2019 | 20:50.001 race | 25:00.002 races | +20.00% |
| Forrest Feist | 2019 | 26:04.001 race | 34:11.002 races | +31.14% |