Pairwise course analysis
LA 5K Coursevs.BB&N 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
BB&N 5K Course runs faster
-7.56%
Roughly 1:31 faster for a 20:00 runner
Paired observations
94
Strong evidence
Median difference
-8.03%
Middle runner-season comparison
Overall estimate
-7.56%
Network-adjusted course estimate
Middle 50% range
+5.54%
Observed variation (IQR)
Direction and magnitude
Relative course speed
BB&N 5K Course fasterEvenBB&N 5K Course slower
Confidence interval
-8.85% to -7.17%
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 | LA 5K Course | BB&N 5K Course | Difference |
|---|---|---|---|---|
| Gabriel Yu | 2019 | 26:40.001 race | 21:47.001 race | -18.31% |
| Marianne Lyons | 2019 | 28:38.001 race | 24:01.001 race | -16.12% |
| Amelia Sousa | 2022 | 26:32.001 race | 22:32.001 race | -15.08% |
| Anne Moser | 2022 | 24:56.001 race | 21:17.001 race | -14.64% |
| Skylar Bedard | 2022 | 23:17.001 race | 19:54.001 race | -14.53% |
| Nathalie Frem | 2022 | 26:32.001 race | 22:42.001 race | -14.45% |
| Andria Bao | 2019 | 27:10.001 race | 23:31.001 race | -13.44% |
| Oliver Kim | 2019 | 28:49.001 race | 25:01.001 race | -13.19% |
| Paula Hornbostel | 2019 | 28:50.001 race | 25:03.001 race | -13.12% |
| Joe Zhao | 2019 | 25:40.001 race | 22:23.001 race | -12.79% |
| Benzo Zhou | 2022 | 22:07.001 race | 19:19.001 race | -12.66% |
| Natalie Zaterka | 2019 | 24:14.001 race | 21:10.001 race | -12.65% |
| Eleanor Mayer | 2019 | 27:34.001 race | 24:07.001 race | -12.52% |
| Lindsay Davis | 2019 | 24:42.001 race | 21:38.001 race | -12.42% |
| Luke Desmaison | 2019 | 22:18.001 race | 19:38.001 race | -11.96% |
| Aitong (Ivy) Li | 2019 | 26:31.001 race | 23:27.001 race | -11.57% |
| Nashr El Auliya | 2019 | 21:43.001 race | 19:13.001 race | -11.51% |
| Ashley Picard | 2019 | 26:21.001 race | 23:19.001 race | -11.51% |
| Matthew Mariani | 2022 | 21:06.001 race | 18:42.001 race | -11.37% |
| Brian Zheng | 2022 | 21:29.001 race | 19:05.001 race | -11.17% |
| Vanessa Shipley | 2019 | 24:06.001 race | 21:30.001 race | -10.79% |
| Daniela Ortiz | 2019 | 25:57.001 race | 23:12.001 race | -10.60% |
| Tori Duckworth | 2019 | 24:40.001 race | 22:04.001 race | -10.54% |
| Mateo MacRi | 2019 | 20:19.001 race | 18:11.001 race | -10.50% |
| Adam Jac | 2019 | 23:02.001 race | 20:37.001 race | -10.49% |
| Austin Hunt | 2019 | 20:40.001 race | 18:30.001 race | -10.48% |
| Ashley Battiata | 2019 | 27:15.001 race | 24:24.001 race | -10.46% |
| Lulu Dematteo | 2022 | 26:32.001 race | 23:49.001 race | -10.24% |
| Joshua Bergers | 2019 | 17:53.001 race | 16:05.001 race | -10.07% |
| Will Osborne | 2019 | 20:38.001 race | 18:36.001 race | -9.85% |
| Blake Gattuso | 2019 | 18:33.001 race | 16:44.001 race | -9.79% |
| Sam Kim | 2019 | 26:44.001 race | 24:09.001 race | -9.66% |
| J. Wei | 2019 | 27:46.001 race | 25:07.001 race | -9.54% |
| Andrew Zhou | 2019 | 20:32.001 race | 18:35.001 race | -9.50% |
| Eve Elkins | 2019 | 24:55.001 race | 22:34.001 race | -9.43% |
| Daniel Reyes | 2019 | 25:42.001 race | 23:18.001 race | -9.34% |
| Nicholas Contos | 2022 | 22:12.001 race | 20:09.001 race | -9.23% |
| Lila Graves | 2022 | 29:32.001 race | 26:49.001 race | -9.20% |
| Ben Pestana | 2019 | 22:02.001 race | 20:01.001 race | -9.15% |
| Sunny Li | 2019 | 30:13.001 race | 27:31.001 race | -8.94% |
| Molly Madigan | 2019 | 24:18.001 race | 22:08.001 race | -8.92% |
| Arthur Gao | 2019 | 31:02.001 race | 28:17.001 race | -8.86% |
| Kendall Sommers | 2019 | 24:21.001 race | 22:13.001 race | -8.76% |
| Ben Croft | 2019 | 19:52.001 race | 18:09.001 race | -8.64% |
| Mason Peng | 2022 | 24:33.001 race | 22:28.001 race | -8.49% |
| Sebastian Culleton | 2022 | 18:50.001 race | 17:15.001 race | -8.41% |
| Jack Griffin | 2019 | 19:29.001 race | 17:55.001 race | -8.04% |
| Kartik Donepudi | 2019 | 22:02.001 race | 20:16.001 race | -8.02% |
| Martin Li | 2019 | 26:37.001 race | 24:30.001 race | -7.95% |
| Richard Federico | 2022 | 18:52.001 race | 17:23.001 race | -7.86% |
| Sophia Matherly | 2022 | 25:39.001 race | 23:40.001 race | -7.73% |
| Judy Xie | 2019 | 23:17.001 race | 21:30.001 race | -7.66% |
| Nick Sparrow | 2019 | 19:12.001 race | 17:44.001 race | -7.64% |
| Josh Taylor | 2022 | 23:52.001 race | 22:05.001 race | -7.47% |
| Grace Maloney | 2022 | 25:15.001 race | 23:23.001 race | -7.39% |
| Mei-Ling Bielagus | 2022 | 21:02.001 race | 19:32.001 race | -7.13% |
| James Lyman | 2019 | 21:46.001 race | 20:13.001 race | -7.12% |
| Princess Alexander | 2019 | 26:47.001 race | 24:53.001 race | -7.09% |
| Edo Spadaccini | 2019 | 26:11.001 race | 24:21.001 race | -7.00% |
| Cora Knoell | 2022 | 23:17.001 race | 21:47.001 race | -6.44% |
| Emily Taylor | 2019 | 24:55.001 race | 23:20.001 race | -6.35% |
| George Rand | 2022 | 17:51.001 race | 16:43.001 race | -6.35% |
| Will Ryckman | 2019 | 21:59.001 race | 20:37.001 race | -6.22% |
| Pierce McCormac | 2022 | 20:48.001 race | 19:32.001 race | -6.09% |
| James Lammert | 2019 | 18:45.001 race | 17:38.001 race | -5.96% |
| Amina Cifric | 2022 | 24:46.001 race | 23:18.001 race | -5.92% |
| Ingrid Yeung | 2019 | 25:33.001 race | 24:04.001 race | -5.81% |
| Jiayi Yu | 2019 | 29:32.001 race | 27:50.001 race | -5.76% |
| Chris Thompson | 2022 | 19:41.001 race | 18:34.001 race | -5.67% |
| Bear Brooks | 2022 | 17:15.001 race | 16:17.001 race | -5.60% |
| Sophia Mikelinich | 2022 | 22:02.001 race | 20:49.001 race | -5.52% |
| Katelyn Pereira | 2022 | 23:28.001 race | 22:11.001 race | -5.47% |
| Jack Connors | 2022 | 17:39.001 race | 16:42.001 race | -5.38% |
| John Joyce | 2022 | 18:08.001 race | 17:10.001 race | -5.33% |
| Nick Haugen | 2019 | 18:22.001 race | 17:25.001 race | -5.17% |
| Bruin Brayshaw | 2022 | 23:18.001 race | 22:07.001 race | -5.08% |
| William Hansen | 2022 | 20:02.001 race | 19:01.001 race | -5.07% |
| Kevin Yao | 2022 | 21:09.001 race | 20:06.001 race | -4.96% |
| Lily Walsh | 2019 | 25:14.001 race | 24:00.001 race | -4.89% |
| Luke Walsh | 2022 | 17:44.001 race | 17:00.001 race | -4.14% |
| Naila Strong | 2019 | 26:05.001 race | 25:01.001 race | -4.09% |
| Samuel Hinman | 2022 | 18:21.001 race | 17:36.001 race | -4.09% |
| Adam Jin | 2019 | 26:21.001 race | 25:24.001 race | -3.61% |
| Bennett Jones | 2019 | 20:36.001 race | 19:55.001 race | -3.32% |
| Alex Tobias | 2019 | 18:50.001 race | 18:15.001 race | -3.10% |
| Aditya Shrivastava | 2022 | 23:19.001 race | 22:41.001 race | -2.72% |
| Amelia Barlow | 2022 | 23:18.001 race | 22:55.001 race | -1.65% |
| Martin Ma | 2019 | 23:12.001 race | 22:51.001 race | -1.51% |
| Charlie Poulin | 2019 | 28:01.001 race | 27:38.001 race | -1.37% |
| Isabella Murray | 2019 | 31:13.001 race | 31:16.001 race | +0.16% |
| Sebastian Rome | 2019 | 24:19.001 race | 24:35.001 race | +1.10% |
| Dylan Uttam | 2022 | 21:34.001 race | 21:50.001 race | +1.24% |
| Peter Abenante | 2022 | 20:54.001 race | 21:18.001 race | +1.91% |
| Nicholas Reimer | 2022 | 21:11.001 race | 22:40.001 race | +7.00% |