Pairwise course analysis
LA 5K Coursevs.Brooks School 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
Brooks School 5K runs faster
-0.71%
Roughly 8.5 seconds faster for a 20:00 runner
Paired observations
79
Strong evidence
Median difference
-1.72%
Middle runner-season comparison
Overall estimate
-0.71%
Network-adjusted course estimate
Middle 50% range
+8.87%
Observed variation (IQR)
Direction and magnitude
Relative course speed
Brooks School 5K fasterEvenBrooks School 5K slower
Confidence interval
-2.77% to +1.05%
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 | LA 5K Course | Brooks School 5K | Difference |
|---|---|---|---|---|
| Emma Zhou | 2021 | 37:23.001 race | 28:38.001 race | -23.41% |
| Chloe Duran | 2022 | 40:45.001 race | 31:49.001 race | -21.92% |
| Gabriel Yu | 2019 | 26:40.001 race | 22:25.001 race | -15.94% |
| Yaqi ((Amy) Zhan | 2022 | 41:38.001 race | 35:04.001 race | -15.77% |
| Seunghyeon (Karry) Kim | 2022 | 33:23.001 race | 29:06.001 race | -12.83% |
| Nathalie Pierpont | 2021 | 29:43.001 race | 26:10.001 race | -11.95% |
| Riley Eyman | 2022 | 23:48.001 race | 21:14.001 race | -10.78% |
| Jaime Li | 2022 | 28:40.001 race | 25:50.001 race | -9.88% |
| Anouk Shin | 2022 | 28:49.001 race | 26:16.001 race | -8.85% |
| Sooah (Sua) Yoo | 2022 | 27:02.001 race | 24:40.001 race | -8.75% |
| Sita Warner | 2022 | 27:04.001 race | 24:53.001 race | -8.07% |
| Shaniece Nugent | 2021 | 28:05.001 race | 25:50.001 race | -8.01% |
| Weixin (Wendy) Wu | 2022 | 27:39.001 race | 25:57.001 race | -6.15% |
| Lauren Phillips | 2022 | 26:11.001 race | 24:36.001 race | -6.05% |
| Braeden Moitoso | 2021 | 21:38.002 races | 20:20.001 race | -6.01% |
| Jasmine Zhang | 2022 | 27:12.001 race | 25:36.001 race | -5.88% |
| Brandon Christ | 2021 | 21:01.002 races | 19:54.001 race | -5.31% |
| Sakura (Sara) Hatsu | 2022 | 28:55.001 race | 27:24.001 race | -5.24% |
| Katherine Clovis | 2022 | 26:36.001 race | 25:15.001 race | -5.08% |
| Ryan Growney | 2022 | 20:42.001 race | 19:40.001 race | -4.99% |
| Judy Xie | 2022 | 26:19.001 race | 25:02.001 race | -4.88% |
| Gardner Brown | 2019 | 22:56.001 race | 21:50.002 races | -4.80% |
| Edo Spadaccini | 2019 | 26:11.001 race | 24:56.002 races | -4.77% |
| James Lyman | 2019 | 21:46.001 race | 20:45.001 race | -4.67% |
| Evan Salhanick | 2019 | 21:44.001 race | 20:46.002 races | -4.45% |
| Isabella (Izzy) Mundel | 2022 | 31:48.001 race | 30:25.001 race | -4.35% |
| Aitong (Ivy) Li | 2022 | 26:45.001 race | 25:42.001 race | -3.93% |
| Lila Jette | 2022 | 23:32.001 race | 22:37.001 race | -3.90% |
| Tori Duckworth | 2019 | 24:40.001 race | 23:45.002 races | -3.72% |
| Diya Bhaireddy | 2022 | 33:21.001 race | 32:19.001 race | -3.10% |
| Eleanor Mayer | 2019 | 27:34.001 race | 26:45.002 races | -2.96% |
| Kate Pickford | 2022 | 22:43.001 race | 22:03.001 race | -2.93% |
| Minho Eune | 2019 | 22:21.001 race | 21:42.002 races | -2.91% |
| Jasmine Kennedy | 2022 | 22:43.001 race | 22:06.001 race | -2.71% |
| Lilley Fiedler | 2022 | 30:25.001 race | 29:38.001 race | -2.58% |
| Brianna Boucher | 2022 | 24:17.001 race | 23:43.001 race | -2.33% |
| Vanessa Shipley | 2019 | 24:06.001 race | 23:38.002 races | -1.94% |
| Henry Gennari | 2019 | 22:54.001 race | 22:28.001 race | -1.89% |
| Mae Lial | 2022 | 25:35.001 race | 25:07.001 race | -1.82% |
| Alessandro Barbiellini | 2019 | 23:15.001 race | 22:51.001 race | -1.72% |
| Alex Tobias | 2019 | 18:50.001 race | 18:32.002 races | -1.59% |
| Parker Lial | 2022 | 24:49.001 race | 24:29.001 race | -1.34% |
| Jonathan Cajamarca | 2022 | 20:34.001 race | 20:20.001 race | -1.13% |
| Bennett Walker | 2022 | 24:52.001 race | 24:36.001 race | -1.07% |
| Mark Wilson | 2019 | 21:01.001 race | 20:50.001 race | -0.87% |
| Aidan Berger | 2021 | 21:09.002 races | 21:01.001 race | -0.63% |
| Luke Desmaison | 2019 | 22:18.001 race | 22:10.001 race | -0.60% |
| William Hansen | 2019 | 21:20.001 race | 21:15.001 race | -0.39% |
| Jason Minicozzi | 2025 | 17:41.001 race | 17:37.001 race | -0.38% |
| Patrick McDonald | 2019 | 18:23.001 race | 18:22.001 race | -0.09% |
| Coco Liu | 2022 | 28:54.001 race | 28:54.001 race | 0.00% |
| Thomas Flatley | 2019 | 18:31.001 race | 18:36.001 race | +0.45% |
| Samuel Hinman | 2019 | 18:58.001 race | 19:04.001 race | +0.53% |
| Clara Williams | 2022 | 29:11.001 race | 29:23.001 race | +0.69% |
| Ashley Picard | 2019 | 26:21.001 race | 26:32.002 races | +0.70% |
| James McCarron III | 2022 | 17:02.001 race | 17:12.001 race | +0.98% |
| Matthew Smith | 2021 | 22:20.002 races | 22:34.001 race | +1.04% |
| Emma Schillinger | 2022 | 25:39.001 race | 26:15.001 race | +2.34% |
| Leo Gu | 2022 | 22:18.001 race | 22:54.001 race | +2.69% |
| Kendra Snell | 2025 | 22:03.001 race | 23:00.001 race | +4.31% |
| Grant Vensel | 2022 | 21:15.001 race | 22:17.001 race | +4.86% |
| Angelina Ha | 2025 | 22:07.001 race | 23:43.001 race | +7.23% |
| Colby Crawford | 2025 | 19:23.001 race | 20:50.001 race | +7.48% |
| Dash Claflin | 2025 | 18:11.001 race | 19:34.001 race | +7.61% |
| Sam Blank | 2025 | 19:08.001 race | 20:43.001 race | +8.28% |
| Adam Jac | 2019 | 23:02.001 race | 24:57.002 races | +8.32% |
| Alex Kovtenenko | 2025 | 19:31.001 race | 21:15.001 race | +8.88% |
| Justin Lin | 2025 | 21:53.001 race | 23:58.001 race | +9.52% |
| Quincy Treisman | 2025 | 24:02.001 race | 26:29.001 race | +10.19% |
| Alex Spindt | 2025 | 23:51.001 race | 26:18.001 race | +10.27% |
| Wes Shaller | 2025 | 23:10.001 race | 25:41.001 race | +10.86% |
| Isla Scott | 2025 | 22:43.001 race | 25:24.001 race | +11.81% |
| Olivia Standish | 2025 | 23:15.001 race | 26:01.001 race | +11.90% |
| Anna Clark | 2025 | 23:24.001 race | 26:21.001 race | +12.61% |
| Eden Hossaena | 2025 | 38:30.001 race | 43:24.001 race | +12.73% |
| Myda Gilani | 2025 | 27:42.001 race | 32:07.001 race | +15.94% |
| Talia Frieze | 2025 | 27:17.001 race | 32:06.001 race | +17.65% |
| Rachel Bueker | 2025 | 25:26.001 race | 30:39.001 race | +20.51% |
| Maya Kapasi | 2025 | 27:32.001 race | 34:30.001 race | +25.30% |