Pairwise course analysis
Brooks School 5Kvs.Washington Park 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
Washington Park 5K Course runs faster
-3.53%
Roughly 42.4 seconds faster for a 20:00 runner
Paired observations
211
Deep evidence
Median difference
-3.88%
Middle runner-season comparison
Overall estimate
-3.53%
Network-adjusted course estimate
Middle 50% range
+6.63%
Observed variation (IQR)
Direction and magnitude
Relative course speed
Washington Park 5K Course fasterEvenWashington Park 5K Course slower
Confidence interval
-5.17% to -3.76%
Scale shown
-6% to +6%
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 | Brooks School 5K | Washington Park 5K Course | Difference |
|---|---|---|---|---|
| Samara Gorton | 2025 | 29:06.001 race | 23:17.001 race | -19.99% |
| Ayo Pickering | 2025 | 34:56.001 race | 28:25.001 race | -18.65% |
| Izzy Hall | 2025 | 27:47.001 race | 23:16.001 race | -16.26% |
| Grace Stanton | 2019 | 28:17.001 race | 23:53.001 race | -15.56% |
| Zachary Lim | 2025 | 26:10.001 race | 22:31.001 race | -13.95% |
| Lily Makepeace | 2025 | 25:56.001 race | 22:22.002 races | -13.75% |
| David Yu | 2025 | 25:40.001 race | 22:12.001 race | -13.51% |
| Eric Liang | 2025 | 23:27.001 race | 20:29.001 race | -12.65% |
| Winson Zhang | 2025 | 27:10.001 race | 23:47.002 races | -12.45% |
| Natalie Meleo | 2024 | 26:34.002 races | 23:18.002 races | -12.30% |
| Jurnee Poulson | 2025 | 30:31.001 race | 26:53.001 race | -11.91% |
| Grace Daoust | 2025 | 28:34.001 race | 25:10.002 races | -11.90% |
| Kevin Kerrigan | 2025 | 24:10.001 race | 21:18.001 race | -11.86% |
| Stephanie Mo | 2025 | 32:59.001 race | 29:08.001 race | -11.67% |
| Collin Graham | 2025 | 20:59.001 race | 18:33.001 race | -11.60% |
| Bibi Miotke | 2025 | 31:16.001 race | 27:41.001 race | -11.46% |
| Campbell Strong | 2025 | 28:31.001 race | 25:16.002 races | -11.40% |
| Aidan Pearsall | 2025 | 19:25.001 race | 17:13.002 races | -11.33% |
| Amaro Castillo | 2025 | 19:25.001 race | 17:14.001 race | -11.24% |
| Eleanor Caspersen | 2025 | 35:05.001 race | 31:09.001 race | -11.21% |
| D. Chen | 2025 | 22:27.001 race | 19:57.002 races | -11.14% |
| Ryder Woodworth | 2025 | 21:24.001 race | 19:04.001 race | -10.90% |
| Camden Jeppsen | 2022 | 23:36.001 race | 21:02.402 races | -10.85% |
| Sophie Chatfield | 2025 | 30:06.001 race | 26:52.002 races | -10.74% |
| Sydney Nelson | 2025 | 24:07.001 race | 21:32.001 race | -10.71% |
| R. Zhao | 2025 | 24:42.001 race | 22:07.002 races | -10.46% |
| Eric Liu | 2025 | 22:10.001 race | 19:51.002 races | -10.45% |
| Leila Blake | 2024 | 24:03.001 race | 21:33.001 race | -10.40% |
| Sebastian Briggs | 2024 | 23:32.002 races | 21:06.002 races | -10.34% |
| Connor Bragg | 2025 | 28:02.001 race | 25:11.001 race | -10.17% |
| Natalie Meleo | 2025 | 23:32.001 race | 21:10.002 races | -10.06% |
| Lily Davis | 2024 | 24:12.002 races | 21:46.001 race | -10.06% |
| Evi Robb | 2024 | 26:44.002 races | 24:03.001 race | -10.04% |
| Gabriela Coates | 2025 | 25:45.001 race | 23:11.001 race | -9.97% |
| Mirabel Ge | 2024 | 31:10.001 race | 28:05.001 race | -9.89% |
| Pauline McAndrew | 2025 | 25:10.001 race | 22:43.001 race | -9.74% |
| Chase Bellamy | 2025 | 19:35.001 race | 17:43.001 race | -9.53% |
| Finley Long | 2024 | 21:17.001 race | 19:17.001 race | -9.40% |
| Mateo Garciarramos Petr | 2025 | 22:20.001 race | 20:18.001 race | -9.10% |
| Diego Abadie | 2024 | 19:03.001 race | 17:19.001 race | -9.10% |
| Alexander Wasynczuk | 2024 | 21:16.001 race | 19:20.001 race | -9.09% |
| Ashton Vertus | 2025 | 24:47.001 race | 22:33.001 race | -9.01% |
| Sofia FloresQuero Llama | 2025 | 24:31.001 race | 22:19.001 race | -8.97% |
| Kylie Bogar | 2019 | 29:00.001 race | 26:28.001 race | -8.74% |
| Cormac Anderson | 2024 | 23:34.001 race | 21:33.001 race | -8.56% |
| Henry Seilheimer | 2025 | 20:29.001 race | 18:44.001 race | -8.54% |
| Jeremy Bullock | 2024 | 19:02.002 races | 17:26.002 races | -8.41% |
| Andreu Beltran | 2024 | 19:29.001 race | 17:52.001 race | -8.30% |
| Kelly Zhao | 2025 | 22:44.001 race | 20:51.001 race | -8.28% |
| Samuel Allado | 2025 | 24:22.001 race | 22:24.001 race | -8.07% |
| Charles Jackivicz | 2025 | 19:48.001 race | 18:13.002 races | -8.00% |
| Noah Divon | 2024 | 24:40.001 race | 22:42.001 race | -7.97% |
| Lindsay Tucker | 2019 | 27:51.001 race | 25:41.001 race | -7.78% |
| Victor Fat | 2025 | 23:43.001 race | 21:56.001 race | -7.52% |
| Joshua Curhan | 2024 | 19:33.001 race | 18:06.001 race | -7.42% |
| Merrick Brannigan | 2025 | 25:55.001 race | 24:03.002 races | -7.20% |
| Peilin Li | 2024 | 22:23.001 race | 20:48.001 race | -7.07% |
| Thaddaeus Flatz-Ehrfeld | 2025 | 19:34.001 race | 18:11.001 race | -7.07% |
| Merrick Brannigan | 2024 | 23:52.002 races | 22:11.002 races | -7.05% |
| Erin Farmer | 2019 | 30:18.001 race | 28:10.001 race | -7.04% |
| Naomi Hammerschlag | 2024 | 23:21.001 race | 21:45.001 race | -6.85% |
| Ceres Moraitis | 2025 | 21:56.001 race | 20:31.001 race | -6.46% |
| Henry Becker | 2025 | 24:53.001 race | 23:17.002 races | -6.43% |
| Justin Hildebrandt | 2024 | 22:38.001 race | 21:11.001 race | -6.41% |
| Aaron DuFrend | 2025 | 22:57.001 race | 21:31.001 race | -6.25% |
| Will Jevon | 2021 | 20:58.001 race | 19:41.001 race | -6.12% |
| Antonio Martinez | 2024 | 20:41.001 race | 19:26.001 race | -6.04% |
| Keenan Billings | 2024 | 18:47.001 race | 17:39.001 race | -6.03% |
| Florence Morlock | 2021 | 23:27.001 race | 22:03.001 race | -5.97% |
| Sophie Chatfield | 2024 | 25:42.002 races | 24:10.002 races | -5.97% |
| Philip Holland | 2025 | 19:27.001 race | 18:20.001 race | -5.74% |
| Isabella (Izzy) Mundel | 2021 | 30:31.001 race | 28:47.001 race | -5.68% |
| Beckett Dubovik | 2024 | 21:09.001 race | 19:57.001 race | -5.67% |
| Joseph Koh | 2024 | 19:03.001 race | 17:59.001 race | -5.60% |
| Stealla Curwin-Amfitheatrof | 2022 | 22:51.001 race | 21:35.201 race | -5.53% |
| Seif El Gazaar | 2024 | 20:03.001 race | 18:58.002 races | -5.40% |
| Caitlin Hayes | 2019 | 30:03.001 race | 28:26.001 race | -5.38% |
| David Xiong | 2024 | 19:05.001 race | 18:04.001 race | -5.33% |
| Henry Horvath | 2021 | 19:23.001 race | 18:22.001 race | -5.25% |
| Charlie Zhang | 2024 | 22:04.001 race | 20:55.001 race | -5.21% |
| Kate McBride | 2022 | 23:17.001 race | 22:04.501 race | -5.19% |
| Charles Jackivicz | 2024 | 18:32.001 race | 17:35.002 races | -5.13% |
| Katie Wipf | 2019 | 22:50.001 race | 21:40.001 race | -5.11% |
| Cassidy Bruno | 2022 | 21:38.001 race | 20:31.801 race | -5.10% |
| Amaro Castillo | 2024 | 18:00.001 race | 17:05.001 race | -5.09% |
| Sophia Bueno | 2021 | 26:43.001 race | 25:23.001 race | -4.99% |
| Hadley Stanton | 2019 | 25:19.001 race | 24:04.001 race | -4.94% |
| Justin Liu | 2025 | 26:20.001 race | 25:02.001 race | -4.94% |
| Kate McBride | 2021 | 22:59.001 race | 21:53.001 race | -4.79% |
| Pablo Paxtor | 2022 | 20:48.001 race | 19:48.303 races | -4.78% |
| Zoe Pincus | 2024 | 26:56.001 race | 25:39.001 race | -4.76% |
| Maggie Cabot | 2022 | 24:32.001 race | 23:23.301 race | -4.67% |
| Sam Poulin | 2022 | 20:26.001 race | 19:29.202 races | -4.63% |
| Akshay Kumar | 2021 | 20:38.001 race | 19:41.001 race | -4.60% |
| Tommy Gaffey | 2019 | 17:13.001 race | 16:26.001 race | -4.55% |
| Aidan Humphreys | 2019 | 19:54.001 race | 19:00.001 race | -4.52% |
| Daniella Hammerschlag | 2024 | 27:44.001 race | 26:29.001 race | -4.51% |
| Meg Dugan | 2019 | 20:45.001 race | 19:49.001 race | -4.50% |
| Annabelle Rogers | 2021 | 21:55.001 race | 20:57.001 race | -4.41% |
| Ally Gilbert | 2019 | 27:17.001 race | 26:08.001 race | -4.22% |
| Jackie Huang | 2021 | 28:06.001 race | 26:55.001 race | -4.21% |
| Mitchell Ladd | 2022 | 22:29.001 race | 21:32.501 race | -4.19% |
| Alejandro Gavilanes | 2025 | 20:27.001 race | 19:36.002 races | -4.16% |
| Joey Caspar | 2022 | 19:33.001 race | 18:45.301 race | -4.07% |
| Sadie Millett | 2021 | 21:36.001 race | 20:45.001 race | -3.94% |
| Walker Cox | 2024 | 20:10.001 race | 19:23.001 race | -3.88% |
| Amory Forman | 2024 | 20:26.001 race | 19:39.001 race | -3.83% |
| Lucy Wang | 2021 | 32:27.001 race | 31:13.001 race | -3.80% |
| Winnie Hatch | 2025 | 35:25.001 race | 34:05.002 races | -3.76% |
| Luciana Castillo Barcena | 2024 | 26:34.002 races | 25:35.001 race | -3.70% |
| Ben Luo | 2021 | 20:43.001 race | 19:57.001 race | -3.70% |
| Viola Shepard | 2024 | 27:31.001 race | 26:30.001 race | -3.69% |
| Jacquelyn Gao | 2022 | 29:25.001 race | 28:19.901 race | -3.69% |
| Peter Favero | 2022 | 18:06.001 race | 17:26.601 race | -3.63% |
| Diana Oh | 2021 | 29:03.001 race | 28:00.001 race | -3.61% |
| Cameron Walker | 2019 | 26:34.001 race | 25:38.001 race | -3.51% |
| Sadie Millett | 2022 | 20:25.001 race | 19:42.001 race | -3.51% |
| Lilly Bradley | 2019 | 20:06.001 race | 19:24.001 race | -3.48% |
| Eliot Saad | 2024 | 19:58.001 race | 19:17.001 race | -3.42% |
| Grace Millett | 2021 | 21:57.001 race | 21:13.001 race | -3.34% |
| Condy Bao | 2021 | 21:31.001 race | 20:48.001 race | -3.33% |
| Aidan Pearsall | 2024 | 17:03.001 race | 16:29.002 races | -3.32% |
| Catherine Bain | 2021 | 26:35.001 race | 25:42.001 race | -3.32% |
| Nicolas Huaco | 2024 | 18:04.002 races | 17:28.002 races | -3.32% |
| Lily Makepeace | 2024 | 24:09.002 races | 23:21.002 races | -3.31% |
| Elsbeth Kasparian | 2024 | 29:35.001 race | 28:38.001 race | -3.21% |
| Vedant Deokar | 2022 | 17:44.001 race | 17:10.401 race | -3.16% |
| Winson Zhang | 2024 | 22:53.001 race | 22:10.002 races | -3.13% |
| Sophia Hansen | 2019 | 21:46.001 race | 21:06.001 race | -3.06% |
| Eloise Daniello | 2019 | 21:35.001 race | 20:56.001 race | -3.01% |
| Benjamin Hebbel | 2024 | 17:19.002 races | 16:48.002 races | -2.98% |
| Peter Favero | 2021 | 18:03.001 race | 17:31.001 race | -2.95% |
| Scarlett Hawkins | 2024 | 20:33.001 race | 19:57.001 race | -2.92% |
| Mitchell Ladd | 2021 | 23:52.001 race | 23:11.001 race | -2.86% |
| Charlotte Wolford | 2021 | 28:35.001 race | 27:46.001 race | -2.86% |
| Lilly Maki | 2022 | 29:02.001 race | 28:13.201 race | -2.80% |
| Ryan Chiari | 2019 | 19:44.001 race | 19:11.001 race | -2.79% |
| Camden Jeppsen | 2024 | 17:35.002 races | 17:06.001 race | -2.75% |
| Eric Diop | 2021 | 18:36.001 race | 18:07.001 race | -2.60% |
| Lizzie Cochran | 2022 | 25:08.001 race | 24:29.102 races | -2.58% |
| Luis Sosa Espinal | 2024 | 21:06.001 race | 20:35.001 race | -2.45% |
| Noah Avram | 2024 | 22:28.001 race | 21:55.001 race | -2.45% |
| Virginia Thompson | 2019 | 26:27.001 race | 25:49.001 race | -2.39% |
| Sooah (Sua) Yoo | 2021 | 27:06.001 race | 26:28.001 race | -2.34% |
| Natalie Zaterka | 2021 | 21:33.001 race | 21:03.001 race | -2.32% |
| Garner Thompson | 2019 | 19:33.001 race | 19:06.001 race | -2.30% |
| Vedant Deokar | 2021 | 18:53.001 race | 18:27.001 race | -2.29% |
| Diya Bhaireddy | 2021 | 33:56.001 race | 33:11.001 race | -2.21% |
| Griffin MacDonald | 2024 | 22:00.001 race | 21:32.001 race | -2.12% |
| Hayden Emery | 2021 | 18:41.001 race | 18:18.001 race | -2.05% |
| Gigi Gillard | 2019 | 28:15.001 race | 27:41.001 race | -2.01% |
| Nicolas Huaco | 2022 | 17:55.001 race | 17:33.503 races | -2.00% |
| Weixin (Wendy) Wu | 2021 | 27:57.001 race | 27:24.001 race | -1.97% |
| Ashley Sink | 2022 | 23:12.001 race | 22:44.902 races | -1.95% |
| Justine Lam | 2021 | 28:31.001 race | 28:00.001 race | -1.81% |
| Nick Costantino | 2022 | 18:10.001 race | 17:50.501 race | -1.79% |
| Josie Silk | 2021 | 21:44.001 race | 21:22.001 race | -1.69% |
| Thomas Reichard | 2021 | 19:34.001 race | 19:16.001 race | -1.53% |
| Evi Robb | 2022 | 25:08.001 race | 24:45.102 races | -1.52% |
| John Joyce | 2024 | 16:51.001 race | 16:36.001 race | -1.48% |
| Violet Zhang | 2024 | 26:54.001 race | 26:31.001 race | -1.43% |
| Caitlin Fitzgerald | 2019 | 21:29.001 race | 21:11.001 race | -1.40% |
| Grant Coldren | 2019 | 19:52.001 race | 19:36.001 race | -1.34% |
| Florence Morlock | 2022 | 25:09.001 race | 24:48.801 race | -1.34% |
| Gabby Guerrero | 2019 | 19:56.001 race | 19:40.001 race | -1.34% |
| Benjamin Hebbel | 2022 | 17:59.001 race | 17:44.803 races | -1.32% |
| Jenny Phan | 2021 | 26:59.001 race | 26:38.001 race | -1.30% |
| Allen Zheng | 2024 | 22:28.001 race | 22:15.002 races | -0.96% |
| Maddie Bazinet | 2021 | 29:47.001 race | 29:30.001 race | -0.95% |
| Sawyer Rogers | 2022 | 24:54.001 race | 24:40.701 race | -0.89% |
| Gabe Cooper | 2024 | 20:46.001 race | 20:35.001 race | -0.88% |
| Eric Liu | 2024 | 20:12.002 races | 20:02.002 races | -0.83% |
| Martin Li | 2021 | 23:05.001 race | 22:57.001 race | -0.58% |
| Jaclyn Zatsiorsky | 2021 | 27:03.001 race | 26:54.001 race | -0.55% |
| Leon Stanley | 2022 | 22:35.001 race | 22:30.802 races | -0.31% |
| Coco Chen | 2021 | 29:35.001 race | 29:31.001 race | -0.23% |
| Michael Thomas | 2021 | 18:40.001 race | 18:41.001 race | +0.09% |
| Noah Ditzion | 2024 | 23:11.001 race | 23:13.001 race | +0.14% |
| Juan José Torres Lara | 2022 | 19:37.001 race | 19:39.302 races | +0.20% |
| Luke Taylor | 2022 | 18:49.001 race | 18:51.701 race | +0.24% |
| Henry Horvath | 2022 | 18:40.001 race | 18:44.201 race | +0.38% |
| John (Jake) Popeo | 2021 | 20:35.001 race | 20:42.001 race | +0.57% |
| Princess Alexander | 2021 | 25:41.001 race | 25:50.001 race | +0.58% |
| Veronika Kitsul | 2021 | 25:11.001 race | 25:22.001 race | +0.73% |
| Liv Ding | 2024 | 27:22.001 race | 27:34.001 race | +0.73% |
| Thomas Valderrama | 2022 | 21:17.001 race | 21:27.902 races | +0.85% |
| Hayden Gobron | 2021 | 18:46.001 race | 18:56.001 race | +0.89% |
| Mariam Craig | 2021 | 21:52.001 race | 22:05.001 race | +0.99% |
| Helena Xie | 2021 | 22:03.001 race | 22:19.001 race | +1.21% |
| Allen Zheng | 2025 | 25:47.001 race | 26:06.002 races | +1.23% |
| James Nichols-Worley | 2021 | 18:48.001 race | 19:03.001 race | +1.33% |
| Luke Peabody | 2022 | 18:50.001 race | 19:12.503 races | +1.99% |
| Bryn Feeney | 2022 | 22:53.001 race | 23:21.002 races | +2.04% |
| Yolanda Zhou | 2021 | 32:05.001 race | 32:54.001 race | +2.55% |
| Bradley Weldon | 2022 | 19:55.001 race | 20:26.502 races | +2.64% |
| Andrea Xu | 2021 | 30:00.001 race | 30:49.001 race | +2.72% |
| Cameron Gonzalez | 2022 | 17:52.001 race | 18:23.002 races | +2.89% |
| Maddie Stearns | 2019 | 23:12.001 race | 23:54.001 race | +3.02% |
| Gray Simanson | 2022 | 29:32.001 race | 30:34.502 races | +3.53% |
| Benjamin Kuo | 2022 | 18:10.001 race | 18:50.503 races | +3.72% |
| Andria Bao | 2021 | 25:00.001 race | 26:00.001 race | +4.00% |
| Thaxton Frey | 2024 | 21:41.002 races | 22:34.002 races | +4.07% |
| Andrew Hung | 2021 | 22:47.001 race | 23:45.001 race | +4.24% |
| Kofi Fordjour | 2021 | 16:59.001 race | 17:57.001 race | +5.69% |
| Seunghyeon (Karry) Kim | 2021 | 33:25.001 race | 35:25.001 race | +5.99% |
| Vinh Do | 2022 | 22:57.001 race | 24:19.501 race | +5.99% |
| Charles Jackivicz | 2022 | 18:53.001 race | 20:03.903 races | +6.26% |
| Jimmy Zhong | 2022 | 23:50.001 race | 25:24.101 race | +6.58% |
| David Moon | 2024 | 22:26.001 race | 23:58.001 race | +6.84% |
| Luke Peabody | 2024 | 19:44.001 race | 21:18.002 races | +7.94% |
| Sunny Li | 2021 | 24:28.002 races | 31:08.001 race | +27.25% |