Pairwise course analysis
Noble and Greenough 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
-5.47%
Roughly 1:06 faster for a 20:00 runner
Paired observations
237
Deep evidence
Median difference
-5.45%
Middle runner-season comparison
Overall estimate
-5.47%
Network-adjusted course estimate
Middle 50% range
+4.80%
Observed variation (IQR)
Direction and magnitude
Relative course speed
Washington Park 5K Course fasterEvenWashington Park 5K Course slower
Confidence interval
-6.11% to -5.04%
Scale shown
-8% to +8%
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 | Noble and Greenough School 5K | Washington Park 5K Course | Difference |
|---|---|---|---|---|
| Christina Chen | 2019 | 28:55.001 race | 23:33.001 race | -18.56% |
| Lucy Anderson | 2019 | 29:30.001 race | 24:37.001 race | -16.55% |
| Aisling O'Connell | 2019 | 26:30.001 race | 22:14.001 race | -16.10% |
| Cara Chang | 2019 | 26:46.001 race | 22:33.001 race | -15.75% |
| Wren Fortunoff | 2019 | 24:27.001 race | 20:56.001 race | -14.38% |
| Dung Pham | 2019 | 27:54.001 race | 23:56.002 races | -14.22% |
| Abdel Barakat | 2019 | 23:35.001 race | 20:16.003 races | -14.06% |
| Nick Costantino | 2021 | 25:10.001 race | 21:39.001 race | -13.97% |
| Izzy Cheney | 2019 | 25:56.001 race | 22:30.003 races | -13.24% |
| Olivia Fayemi | 2019 | 32:03.001 race | 27:57.001 race | -12.79% |
| Phoebe Lynch | 2019 | 31:46.001 race | 27:43.001 race | -12.75% |
| Gracie Daoust | 2024 | 27:57.001 race | 24:28.001 race | -12.46% |
| Katie Reveno | 2019 | 25:07.001 race | 22:03.001 race | -12.21% |
| Joey Caspar | 2021 | 23:32.001 race | 20:47.001 race | -11.69% |
| Amy Sharma | 2019 | 22:03.001 race | 19:29.001 race | -11.64% |
| Tim Cassidy | 2021 | 24:50.001 race | 21:59.001 race | -11.48% |
| Maggie Xu | 2019 | 35:53.001 race | 31:48.003 races | -11.38% |
| Michael Cheng | 2021 | 24:40.001 race | 21:54.001 race | -11.22% |
| Sophia Bueno | 2021 | 28:34.001 race | 25:23.001 race | -11.14% |
| Amy Ma | 2019 | 28:13.001 race | 25:06.001 race | -11.05% |
| Vincent Gilbert | 2024 | 21:58.001 race | 19:33.001 race | -11.00% |
| Jessica Wu | 2024 | 29:37.001 race | 26:22.001 race | -10.97% |
| Lizzie Cochran | 2021 | 27:04.001 race | 24:06.002 races | -10.96% |
| Sophia Deng | 2019 | 28:13.001 race | 25:08.001 race | -10.93% |
| Neo Wang | 2024 | 26:31.001 race | 23:38.001 race | -10.87% |
| Calvin Cochran | 2019 | 23:38.001 race | 21:04.002 races | -10.86% |
| Jerry Cao | 2024 | 23:43.001 race | 21:09.001 race | -10.82% |
| Justine Lam | 2021 | 31:21.001 race | 28:00.001 race | -10.69% |
| Noah Ditzion | 2025 | 24:28.001 race | 21:56.001 race | -10.35% |
| Ben Luo | 2021 | 22:14.001 race | 19:57.001 race | -10.27% |
| Viola Shepard | 2025 | 29:13.001 race | 26:16.001 race | -10.10% |
| Allan Lu | 2024 | 28:38.001 race | 25:46.001 race | -10.01% |
| Thompson Zhou | 2019 | 25:36.001 race | 23:03.002 races | -9.96% |
| Lucas Miller | 2022 | 21:53.001 race | 19:42.401 race | -9.95% |
| Sophia Wu | 2019 | 25:53.001 race | 23:19.001 race | -9.92% |
| Sophie Chatfield | 2024 | 27:17.001 race | 24:41.002 races | -9.53% |
| Zach Rogers | 2019 | 21:53.001 race | 19:51.003 races | -9.29% |
| Alexa Burton | 2021 | 25:10.001 race | 22:52.001 race | -9.14% |
| Cameron Gonzalez | 2021 | 19:20.001 race | 17:35.003 races | -9.05% |
| Henry Pojasek | 2025 | 24:02.001 race | 21:53.001 race | -8.95% |
| Matthew Ding | 2025 | 23:47.001 race | 21:41.001 race | -8.83% |
| Dom Genovesse | 2021 | 33:25.001 race | 30:28.001 race | -8.83% |
| Sebastien Aubourg | 2024 | 19:35.001 race | 17:52.001 race | -8.77% |
| Marvelous Ugwu | 2024 | 28:22.001 race | 25:54.001 race | -8.70% |
| Andrew Rodriguez | 2021 | 23:43.001 race | 21:42.001 race | -8.50% |
| Jade Xiao | 2021 | 27:48.001 race | 25:27.001 race | -8.45% |
| Sam Poulin | 2019 | 22:29.001 race | 20:35.003 races | -8.45% |
| Evi Robb | 2024 | 26:16.001 race | 24:03.001 race | -8.44% |
| Quentin DeFreitas | 2022 | 25:25.001 race | 23:17.501 race | -8.36% |
| Ken Suzuki | 2021 | 21:35.001 race | 19:49.003 races | -8.19% |
| Megan Shi | 2021 | 28:35.001 race | 26:15.001 race | -8.16% |
| Matt Palmer | 2024 | 20:00.001 race | 18:23.001 race | -8.08% |
| Raymond Li | 2021 | 23:11.002 races | 21:19.001 race | -8.05% |
| Sophia Yang | 2021 | 27:13.001 race | 25:02.001 race | -8.02% |
| Theo Martin | 2024 | 25:15.001 race | 23:14.001 race | -7.99% |
| Peter Iascone | 2019 | 24:53.001 race | 22:54.002 races | -7.97% |
| Gratian Ting | 2021 | 25:45.001 race | 23:44.001 race | -7.83% |
| Harrison Huang | 2021 | 25:43.001 race | 23:43.001 race | -7.78% |
| Max Liang | 2024 | 24:30.001 race | 22:36.001 race | -7.76% |
| Nathan Anderson | 2019 | 20:29.001 race | 18:54.003 races | -7.73% |
| Annabelle Rogers | 2021 | 22:40.001 race | 20:57.001 race | -7.57% |
| Evan Ning | 2021 | 24:39.001 race | 22:47.001 race | -7.57% |
| Julia Torrey | 2021 | 23:34.001 race | 21:47.001 race | -7.57% |
| Steve Ma | 2024 | 24:03.001 race | 22:14.001 race | -7.55% |
| Noah Divon | 2024 | 24:32.001 race | 22:42.001 race | -7.47% |
| Kayla Clifford | 2019 | 29:13.001 race | 27:03.003 races | -7.42% |
| Will Jevon | 2021 | 21:15.001 race | 19:41.001 race | -7.37% |
| Xuton Tang | 2025 | 20:17.001 race | 18:48.001 race | -7.31% |
| Isabel Pavloniss | 2021 | 30:54.001 race | 28:40.001 race | -7.23% |
| Alex DeChiara | 2024 | 23:48.001 race | 22:05.001 race | -7.21% |
| Charlotte Friedmann | 2024 | 29:19.001 race | 27:13.001 race | -7.16% |
| Vivian Zhang | 2025 | 32:43.001 race | 30:23.001 race | -7.13% |
| Dylan Fu | 2024 | 20:51.001 race | 19:22.001 race | -7.11% |
| Florence Morlock | 2021 | 23:44.001 race | 22:03.001 race | -7.09% |
| Matias Egan | 2025 | 21:23.001 race | 19:53.001 race | -7.01% |
| Thomas Valderrama | 2021 | 23:07.001 race | 21:30.002 races | -6.99% |
| Immy Serifovic | 2021 | 24:47.001 race | 23:04.001 race | -6.93% |
| Benjamin Hebbel | 2024 | 17:21.001 race | 16:09.002 races | -6.92% |
| Sue Hayashi | 2024 | 27:08.001 race | 25:16.001 race | -6.88% |
| Mitchell Ladd | 2021 | 24:53.001 race | 23:11.001 race | -6.83% |
| Natalie Meleo | 2024 | 26:03.001 race | 24:19.002 races | -6.65% |
| Henry Orraca-Cecil | 2024 | 19:34.001 race | 18:16.001 race | -6.64% |
| Darian Estrada | 2024 | 25:39.001 race | 23:57.001 race | -6.63% |
| Sadie Millett | 2021 | 22:13.001 race | 20:45.001 race | -6.60% |
| Alexander Cederbaum | 2025 | 23:07.001 race | 21:36.001 race | -6.56% |
| Josie Silk | 2021 | 22:52.001 race | 21:22.001 race | -6.56% |
| Ryan Shue | 2021 | 22:22.001 race | 20:54.001 race | -6.56% |
| Lily Davis | 2024 | 23:17.001 race | 21:46.001 race | -6.51% |
| Jenny Phan | 2021 | 28:29.001 race | 26:38.001 race | -6.50% |
| David Xiong | 2025 | 19:55.001 race | 18:38.001 race | -6.44% |
| Sebastian Briggs | 2024 | 22:47.001 race | 21:19.002 races | -6.44% |
| Luke Peabody | 2023 | 20:11.001 race | 18:53.103 races | -6.43% |
| Harper Weng | 2019 | 34:54.001 race | 32:40.002 races | -6.40% |
| Eleanor Chung | 2025 | 31:31.001 race | 29:30.001 race | -6.40% |
| Henry Horvath | 2021 | 19:37.001 race | 18:22.001 race | -6.37% |
| Nicolas Huaco | 2021 | 19:26.001 race | 18:12.003 races | -6.35% |
| Nicolas Huaco | 2024 | 18:08.001 race | 16:59.002 races | -6.34% |
| Bradley Weldon | 2021 | 22:06.002 races | 20:42.002 races | -6.33% |
| Caroline Chung | 2025 | 31:28.001 race | 29:29.001 race | -6.30% |
| James Kerr | 2024 | 17:01.001 race | 15:57.001 race | -6.27% |
| Louis Chiasson | 2021 | 21:34.001 race | 20:14.001 race | -6.18% |
| Abigail Riordan | 2021 | 26:42.001 race | 25:03.001 race | -6.18% |
| Terry Qi | 2024 | 20:15.001 race | 19:00.001 race | -6.17% |
| Alexander Cesaretti | 2021 | 21:27.001 race | 20:09.001 race | -6.06% |
| Gabriel (Gabby) Guerrero | 2021 | 18:42.001 race | 17:34.001 race | -6.06% |
| Ruby Tsai | 2021 | 25:59.001 race | 24:25.001 race | -6.03% |
| Caroline Quirk | 2021 | 30:52.001 race | 29:01.002 races | -5.99% |
| Andrew Mottur | 2019 | 18:55.001 race | 17:47.003 races | -5.99% |
| Charlotte Maturo | 2019 | 29:04.001 race | 27:20.001 race | -5.96% |
| James Good | 2021 | 22:00.001 race | 20:42.001 race | -5.91% |
| Vedant Deokar | 2021 | 19:36.001 race | 18:27.001 race | -5.87% |
| Elliot Smith | 2021 | 22:15.001 race | 20:57.001 race | -5.84% |
| Kate McBride | 2021 | 23:13.001 race | 21:53.001 race | -5.74% |
| Eva Zhao | 2024 | 31:51.001 race | 30:02.001 race | -5.70% |
| Logan Hoffman | 2024 | 22:05.001 race | 20:51.001 race | -5.58% |
| Nick Proudlove | 2023 | 22:30.001 race | 21:15.102 races | -5.55% |
| Richard Shum | 2019 | 23:30.001 race | 22:12.003 races | -5.53% |
| Kinh Kieu | 2022 | 33:15.001 race | 31:26.201 race | -5.45% |
| Merrick Brannigan | 2024 | 23:33.001 race | 22:16.002 races | -5.45% |
| Grace Millett | 2021 | 22:25.001 race | 21:13.001 race | -5.35% |
| Allen Zheng | 2024 | 24:37.001 race | 23:18.002 races | -5.35% |
| Peilin Li | 2025 | 21:14.001 race | 20:06.001 race | -5.34% |
| Kevin Farmer | 2021 | 22:14.001 race | 21:03.001 race | -5.32% |
| Juan José Torres Lara | 2021 | 20:54.001 race | 19:48.002 races | -5.26% |
| Camden Jeppsen | 2024 | 18:01.001 race | 17:06.001 race | -5.09% |
| Robert Sou | 2024 | 22:00.001 race | 20:54.001 race | -5.00% |
| Victoria Fawcett | 2021 | 20:40.001 race | 19:38.001 race | -5.00% |
| Ethan Sweeney | 2019 | 20:25.001 race | 19:24.003 races | -4.98% |
| Ezra Klauber | 2024 | 17:45.001 race | 16:52.001 race | -4.98% |
| Anthony Kim | 2021 | 23:41.001 race | 22:32.003 races | -4.86% |
| Alexander Kirby | 2022 | 22:37.001 race | 21:31.201 race | -4.85% |
| Anika Ata | 2024 | 22:54.001 race | 21:48.001 race | -4.80% |
| Evan Zhang | 2021 | 20:51.001 race | 19:51.001 race | -4.80% |
| Winson Zhang | 2024 | 23:51.001 race | 22:43.002 races | -4.75% |
| Sunny Qian | 2024 | 22:10.001 race | 21:07.001 race | -4.74% |
| Natalie Williamson | 2021 | 21:08.001 race | 20:08.001 race | -4.73% |
| Matthew Smith | 2022 | 23:06.001 race | 22:01.001 race | -4.69% |
| Daniella Hammerschlag | 2025 | 28:48.001 race | 27:27.001 race | -4.69% |
| Kendry Navas Perez | 2023 | 32:37.001 race | 31:05.302 races | -4.69% |
| Tristan Parmentier | 2021 | 21:08.001 race | 20:09.002 races | -4.65% |
| Evi Robb | 2023 | 27:10.001 race | 25:54.702 races | -4.62% |
| Martin Erath | 2024 | 19:36.001 race | 18:42.001 race | -4.59% |
| Mahiro Yamikawa | 2019 | 19:18.001 race | 18:25.003 races | -4.58% |
| Sam Poulin | 2021 | 19:35.001 race | 18:42.003 races | -4.51% |
| Matthew Abati | 2021 | 21:30.001 race | 20:32.001 race | -4.50% |
| Kai On (Jason) Yu | 2021 | 21:09.001 race | 20:12.001 race | -4.49% |
| Luke Peabody | 2024 | 20:05.001 race | 19:11.002 races | -4.48% |
| Ryan Wei | 2021 | 19:00.001 race | 18:09.001 race | -4.47% |
| Brian Xi | 2021 | 21:12.001 race | 20:16.001 race | -4.40% |
| Gabe Cooper | 2025 | 22:11.001 race | 21:13.001 race | -4.36% |
| Allison Luo | 2024 | 25:05.001 race | 24:00.001 race | -4.32% |
| Anthony Coston | 2022 | 22:57.001 race | 21:57.901 race | -4.29% |
| Scarlett Hawkins | 2025 | 21:00.001 race | 20:06.001 race | -4.29% |
| Charlotte Lokere | 2022 | 26:02.001 race | 24:56.301 race | -4.21% |
| Torey Mathews | 2021 | 26:30.001 race | 25:24.001 race | -4.15% |
| Charles Jackivicz | 2023 | 18:25.001 race | 17:39.603 races | -4.11% |
| Stealla Curwin-Amfitheatrof | 2024 | 21:40.001 race | 20:47.001 race | -4.08% |
| Calvin Reid | 2024 | 18:57.001 race | 18:11.001 race | -4.05% |
| Ge Easton | 2025 | 25:13.001 race | 24:12.001 race | -4.03% |
| Seif El Gazaar | 2024 | 19:36.001 race | 18:49.002 races | -4.00% |
| Gracie Daoust | 2023 | 27:57.001 race | 26:50.601 race | -3.96% |
| Alexei Liska | 2024 | 22:26.001 race | 21:33.001 race | -3.94% |
| Kailin Shi | 2021 | 24:44.001 race | 23:47.001 race | -3.84% |
| Alex Dias | 2024 | 26:49.001 race | 25:48.001 race | -3.79% |
| Jack Hutchison | 2019 | 19:29.001 race | 18:45.003 races | -3.76% |
| Robinson Noble | 2021 | 23:59.001 race | 23:05.001 race | -3.75% |
| Oliver Colbert | 2024 | 21:37.001 race | 20:49.001 race | -3.70% |
| Peter Favero | 2021 | 18:11.001 race | 17:31.001 race | -3.67% |
| Diego Abadie | 2025 | 18:14.001 race | 17:34.001 race | -3.66% |
| Thomas Strong | 2021 | 21:01.001 race | 20:15.001 race | -3.65% |
| Elizabeth Nicholas | 2025 | 25:26.001 race | 24:31.001 race | -3.60% |
| Alex Berk | 2025 | 22:31.001 race | 21:43.001 race | -3.55% |
| Amory Forman | 2025 | 21:40.001 race | 20:55.001 race | -3.46% |
| Lucy Wang | 2021 | 32:20.001 race | 31:13.001 race | -3.45% |
| Katie Tantillo | 2024 | 23:31.001 race | 22:43.001 race | -3.40% |
| Richard Fedrico | 2024 | 17:54.001 race | 17:18.001 race | -3.35% |
| Ross Stewart | 2019 | 19:06.001 race | 18:28.003 races | -3.32% |
| Eric Liu | 2024 | 20:42.001 race | 20:01.002 races | -3.30% |
| Colin Bradley | 2024 | 19:17.001 race | 18:39.001 race | -3.28% |
| Cameron Gonzalez | 2023 | 18:39.001 race | 18:03.001 race | -3.22% |
| Charles Jackivicz | 2024 | 18:10.001 race | 17:35.002 races | -3.21% |
| Eric Archerman | 2024 | 18:51.001 race | 18:17.001 race | -3.01% |
| Jeremy Bullock | 2023 | 17:30.001 race | 16:59.002 races | -2.95% |
| Aidan Pearsall | 2024 | 16:57.001 race | 16:29.002 races | -2.75% |
| Connor Steele | 2021 | 19:29.001 race | 18:57.001 race | -2.74% |
| Pipsa Palatsi | 2024 | 23:15.001 race | 22:37.001 race | -2.72% |
| Nicolas Huaco | 2023 | 18:09.001 race | 17:39.903 races | -2.67% |
| Lily Makepeace | 2024 | 24:14.001 race | 23:38.002 races | -2.48% |
| Cassidy Bruno | 2024 | 21:52.001 race | 21:20.001 race | -2.44% |
| Noah Divon | 2023 | 21:49.001 race | 21:18.503 races | -2.33% |
| Myles Ndiritu | 2021 | 23:13.001 race | 22:43.001 race | -2.15% |
| Alitza Soiffer | 2021 | 28:06.001 race | 27:30.001 race | -2.14% |
| Benjamin Hebbel | 2023 | 18:10.001 race | 17:46.803 races | -2.13% |
| Toby Harrison | 2024 | 19:02.001 race | 18:38.001 race | -2.10% |
| Alexander Colangelo | 2022 | 19:26.001 race | 19:01.701 race | -2.08% |
| Casey Coleman | 2024 | 20:22.001 race | 19:57.001 race | -2.05% |
| Lily Makepeace | 2023 | 27:55.001 race | 27:20.802 races | -2.04% |
| Levi Harrison | 2024 | 17:18.001 race | 16:57.001 race | -2.02% |
| Claire Choe | 2021 | 23:14.001 race | 22:48.001 race | -1.87% |
| Andrew Yang | 2021 | 24:09.001 race | 23:42.001 race | -1.86% |
| Mariam Craig | 2021 | 22:30.001 race | 22:05.001 race | -1.85% |
| Siena Adduci | 2021 | 37:35.001 race | 36:54.001 race | -1.82% |
| Maggie Xu | 2021 | 31:20.001 race | 30:51.001 race | -1.54% |
| Cody Monahan | 2025 | 23:14.001 race | 22:53.001 race | -1.51% |
| Brady Gomez | 2024 | 31:46.001 race | 31:18.001 race | -1.47% |
| Lincoln Hyatt | 2024 | 18:00.001 race | 17:45.001 race | -1.39% |
| Eric Liu | 2023 | 21:36.001 race | 21:19.703 races | -1.26% |
| Thaxton Frey | 2024 | 22:06.001 race | 21:50.002 races | -1.21% |
| Pablo Paxtor | 2023 | 19:42.001 race | 19:28.103 races | -1.18% |
| Sam Dunn | 2021 | 19:02.001 race | 18:52.001 race | -0.88% |
| Maggie Cabot | 2024 | 22:56.001 race | 22:44.001 race | -0.87% |
| Brendan Reichard | 2024 | 21:48.001 race | 21:37.001 race | -0.84% |
| Joshua Resnick | 2025 | 20:05.001 race | 19:55.002 races | -0.83% |
| Tony Guo | 2019 | 22:33.001 race | 22:23.001 race | -0.74% |
| Max Kesselheim | 2024 | 19:35.001 race | 19:27.001 race | -0.68% |
| Julian Barber | 2024 | 22:22.001 race | 22:13.001 race | -0.67% |
| Fin Reichard | 2024 | 19:56.001 race | 19:49.001 race | -0.59% |
| Teddy Ellis | 2021 | 18:59.001 race | 18:53.001 race | -0.53% |
| Nick Glaeser | 2024 | 26:05.001 race | 25:57.001 race | -0.51% |
| Ameer Hasan | 2024 | 24:48.001 race | 24:42.001 race | -0.40% |
| Olivian Baker | 2025 | 23:02.001 race | 22:58.001 race | -0.29% |
| Kean Schwartz | 2024 | 27:54.001 race | 27:53.001 race | -0.06% |
| Kassie Schaeberle | 2024 | 28:48.001 race | 28:50.001 race | +0.12% |
| Charles Zhang | 2022 | 25:50.001 race | 25:52.601 race | +0.17% |
| A. Wang | 2025 | 26:22.001 race | 26:25.001 race | +0.19% |
| Sofia Mraz | 2021 | 25:11.001 race | 25:17.001 race | +0.40% |
| David Comander | 2024 | 22:37.001 race | 22:50.001 race | +0.96% |
| Anna Gormon-Huang | 2025 | 33:02.001 race | 33:23.001 race | +1.06% |
| Shawna Liu | 2021 | 27:05.001 race | 27:34.001 race | +1.78% |
| Catherine Bain | 2024 | 22:01.001 race | 22:31.001 race | +2.27% |
| Liv Ding | 2024 | 26:52.001 race | 27:34.001 race | +2.61% |
| Avish Kumar | 2024 | 26:24.001 race | 27:08.001 race | +2.78% |
| Anthony Billings | 2024 | 21:44.001 race | 22:22.001 race | +2.91% |
| Akshaya Sundraraj | 2021 | 32:02.001 race | 33:47.001 race | +5.46% |
| Ellie Sullivan | 2021 | 26:58.001 race | 28:40.001 race | +6.30% |
| Liam Walsh | 2024 | 17:24.001 race | 19:05.001 race | +9.67% |
| Temi Martins-Desumu | 2024 | 26:23.001 race | 30:06.001 race | +14.09% |