Pairwise course analysis
Noble and Greenough School 5Kvs.Governor's 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
Governor's 5K Course runs faster
-1.76%
Roughly 21.1 seconds faster for a 20:00 runner
Paired observations
230
Deep evidence
Median difference
-1.68%
Middle runner-season comparison
Overall estimate
-1.76%
Network-adjusted course estimate
Middle 50% range
+7.47%
Observed variation (IQR)
Direction and magnitude
Relative course speed
Governor's 5K Course fasterEvenGovernor's 5K Course slower
Confidence interval
-2.97% to -1.53%
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 | Noble and Greenough School 5K | Governor's 5K Course | Difference |
|---|---|---|---|---|
| Lakshmi Bogelli | 2021 | 37:41.001 race | 30:38.001 race | -18.71% |
| Nelson Li | 2025 | 36:48.001 race | 30:05.003 races | -18.25% |
| Andy Jiang | 2021 | 29:42.001 race | 24:47.002 races | -16.55% |
| Abdel Barakat | 2019 | 23:35.001 race | 19:42.001 race | -16.47% |
| Maggie Xu | 2019 | 35:53.001 race | 30:51.001 race | -14.03% |
| Calvin Cochran | 2019 | 23:38.001 race | 20:34.001 race | -12.98% |
| Kevin Yao | 2021 | 26:43.002 races | 23:15.004 races | -12.98% |
| Dung Pham | 2019 | 27:54.001 race | 24:17.001 race | -12.96% |
| Peter Abenante | 2021 | 26:12.001 race | 22:58.002 races | -12.34% |
| Teddy Hwang | 2021 | 31:57.001 race | 28:08.001 race | -11.95% |
| Sam Poulin | 2019 | 22:29.001 race | 20:01.001 race | -10.97% |
| Umar Fayzullaev | 2025 | 28:04.001 race | 25:05.003 races | -10.63% |
| Joshua White | 2021 | 25:30.001 race | 22:51.001 race | -10.39% |
| Brian Zheng | 2021 | 23:26.001 race | 21:02.002 races | -10.24% |
| Jacqueline Thabit | 2021 | 27:52.001 race | 25:02.002 races | -10.17% |
| Sophia Matherly | 2021 | 30:03.001 race | 27:06.002 races | -9.82% |
| Olivia Crisafi | 2021 | 25:37.001 race | 23:07.002 races | -9.76% |
| Chris Peng | 2024 | 28:12.001 race | 25:32.001 race | -9.46% |
| Wes Gray | 2025 | 28:08.001 race | 25:30.001 race | -9.36% |
| Matt Simon | 2021 | 23:44.001 race | 21:32.001 race | -9.27% |
| Erin Crisafi | 2021 | 25:37.001 race | 23:15.002 races | -9.24% |
| Zach Rogers | 2019 | 21:53.001 race | 19:53.001 race | -9.14% |
| Mei-Ling Bielagus | 2021 | 25:45.001 race | 23:26.001 race | -9.00% |
| Peter Iascone | 2019 | 24:53.001 race | 22:40.001 race | -8.91% |
| Richard Shum | 2019 | 23:30.001 race | 21:28.001 race | -8.65% |
| Juan José Torres Lara | 2021 | 20:54.001 race | 19:06.001 race | -8.61% |
| Ken Suzuki | 2021 | 21:35.001 race | 19:44.001 race | -8.57% |
| Cora Knoell | 2021 | 25:47.001 race | 23:35.002 races | -8.53% |
| Kayla Clifford | 2019 | 29:13.001 race | 26:44.001 race | -8.50% |
| Lizzie Cochran | 2021 | 27:04.001 race | 24:46.001 race | -8.50% |
| Tessa Borgatti | 2025 | 28:07.001 race | 25:44.001 race | -8.48% |
| Thompson Zhou | 2019 | 25:36.001 race | 23:26.001 race | -8.46% |
| Matthew Smith | 2021 | 22:29.001 race | 20:35.001 race | -8.45% |
| Nathan Anderson | 2019 | 20:29.001 race | 18:46.001 race | -8.38% |
| Ideal Liang | 2025 | 28:02.001 race | 25:42.002 races | -8.32% |
| Anthony Coston | 2021 | 26:58.001 race | 24:45.001 race | -8.22% |
| Harper Weng | 2019 | 34:54.001 race | 32:06.001 race | -8.02% |
| Cameron Gonzalez | 2021 | 19:20.001 race | 17:48.001 race | -7.93% |
| Bear Brooks | 2021 | 18:17.001 race | 16:53.002 races | -7.66% |
| Izzy Cheney | 2019 | 25:56.001 race | 23:57.001 race | -7.65% |
| Bradley Weldon | 2021 | 22:06.002 races | 20:27.001 race | -7.47% |
| Jennifer Li | 2024 | 26:37.001 race | 24:40.001 race | -7.33% |
| Brandon Christ | 2021 | 20:05.001 race | 18:37.001 race | -7.30% |
| Olivia Pasquale | 2021 | 31:55.001 race | 29:36.001 race | -7.26% |
| Juliet Banzi | 2025 | 23:51.001 race | 22:09.002 races | -7.13% |
| Aleah Ghiasuddin | 2021 | 23:23.001 race | 21:45.002 races | -6.99% |
| Kailin Shi | 2024 | 27:45.001 race | 25:49.001 race | -6.97% |
| Katelyn Pereira | 2025 | 29:36.001 race | 27:37.003 races | -6.70% |
| Abner Machuca Diaz | 2023 | 23:00.001 race | 21:28.001 race | -6.67% |
| Bruin Brayshaw | 2021 | 25:14.001 race | 23:36.001 race | -6.47% |
| Laruen McMahon | 2021 | 25:42.001 race | 24:03.002 races | -6.42% |
| Sophie Chatfield | 2024 | 27:17.001 race | 25:42.001 race | -5.80% |
| Michael Bobo | 2021 | 22:40.001 race | 21:22.001 race | -5.74% |
| James Donahue | 2021 | 16:52.001 race | 15:54.001 race | -5.73% |
| Caroline Quirk | 2021 | 30:52.001 race | 29:06.002 races | -5.72% |
| Ernesto Ortiz | 2024 | 24:01.001 race | 22:39.001 race | -5.69% |
| Esme Campbell | 2024 | 21:38.001 race | 20:26.001 race | -5.55% |
| Andrew Correia | 2022 | 22:54.001 race | 21:38.001 race | -5.53% |
| Thomas Ireland | 2025 | 20:14.001 race | 19:07.002 races | -5.52% |
| Luis Sosa Espinal | 2023 | 23:41.001 race | 22:24.001 race | -5.42% |
| Nicolas Huaco | 2021 | 19:26.001 race | 18:23.001 race | -5.40% |
| Andrew Mottur | 2019 | 18:55.001 race | 17:55.001 race | -5.29% |
| Benzo Zhou | 2021 | 21:10.001 race | 20:04.002 races | -5.20% |
| Tony Guo | 2019 | 22:33.001 race | 21:23.001 race | -5.17% |
| Jack Hutchison | 2019 | 19:29.001 race | 18:30.001 race | -5.05% |
| Mahiro Yamikawa | 2019 | 19:18.001 race | 18:20.001 race | -5.01% |
| Davis Woolbert | 2021 | 20:39.001 race | 19:37.001 race | -5.00% |
| Shawna Liu | 2021 | 27:05.001 race | 25:45.001 race | -4.92% |
| Nathalie Westpfahl | 2021 | 25:06.001 race | 23:53.001 race | -4.85% |
| Wesley Xue | 2024 | 26:41.001 race | 25:25.001 race | -4.75% |
| Walt Reagan-Loomis | 2021 | 22:06.001 race | 21:05.001 race | -4.60% |
| Jackson Pagan | 2021 | 20:57.001 race | 20:00.001 race | -4.53% |
| Sam Poulin | 2021 | 19:35.001 race | 18:42.001 race | -4.51% |
| Ethan Sweeney | 2019 | 20:25.001 race | 19:30.001 race | -4.49% |
| Kai On (Jason) Yu | 2024 | 22:04.001 race | 21:05.001 race | -4.46% |
| Maggie Xu | 2021 | 31:20.001 race | 29:57.001 race | -4.41% |
| Emmett Burghardt | 2024 | 23:11.001 race | 22:10.001 race | -4.39% |
| Margot Beaumont-Mill | 2025 | 28:06.001 race | 26:53.003 races | -4.33% |
| Lucy McCormick | 2025 | 23:07.001 race | 22:07.003 races | -4.33% |
| Ezra Lee | 2021 | 20:26.001 race | 19:33.001 race | -4.32% |
| Cian McCarthy | 2025 | 31:14.001 race | 29:55.002 races | -4.22% |
| Zidan Graham | 2024 | 25:45.001 race | 24:40.001 race | -4.21% |
| Carver Porter | 2021 | 22:37.001 race | 21:40.001 race | -4.20% |
| Valentina Joseph | 2022 | 30:44.001 race | 29:29.001 race | -4.07% |
| Zifu Song | 2024 | 23:07.001 race | 22:11.001 race | -4.04% |
| Tristan Parmentier | 2021 | 21:08.001 race | 20:18.001 race | -3.94% |
| Jace LiVigni | 2024 | 20:13.001 race | 19:26.001 race | -3.87% |
| Oliver Carswell | 2021 | 21:54.001 race | 21:05.001 race | -3.73% |
| Abner Machuca Diaz | 2024 | 21:13.001 race | 20:27.001 race | -3.61% |
| Felix Stuart | 2024 | 21:49.001 race | 21:02.001 race | -3.59% |
| Daniel Xie | 2021 | 23:43.001 race | 22:52.001 race | -3.58% |
| Jeremy Eaton | 2021 | 22:07.001 race | 21:20.001 race | -3.54% |
| Joe Jia | 2024 | 22:44.001 race | 21:57.001 race | -3.45% |
| Armand Matijasevic | 2024 | 20:59.001 race | 20:16.001 race | -3.42% |
| Ross Stewart | 2019 | 19:06.001 race | 18:27.001 race | -3.40% |
| William Trautz | 2021 | 18:52.001 race | 18:14.001 race | -3.36% |
| Mike Gao | 2024 | 26:48.001 race | 25:56.001 race | -3.23% |
| Arec Keomurjian | 2021 | 20:05.001 race | 19:28.001 race | -3.07% |
| Meg Tarling | 2025 | 22:30.001 race | 21:50.003 races | -2.96% |
| Aidan Berger | 2021 | 20:36.001 race | 20:00.001 race | -2.91% |
| Torey Mathews | 2024 | 26:44.001 race | 25:59.001 race | -2.81% |
| Lucy Bonner | 2025 | 25:05.001 race | 24:24.003 races | -2.72% |
| Jonathan Demosthene | 2023 | 21:42.001 race | 21:09.001 race | -2.53% |
| Joseph Koh | 2023 | 20:49.001 race | 20:18.001 race | -2.48% |
| Justin Jang | 2021 | 21:28.001 race | 20:58.001 race | -2.33% |
| Cassidy Kamil | 2025 | 26:57.001 race | 26:20.003 races | -2.29% |
| Jason Louie | 2024 | 19:16.001 race | 18:50.001 race | -2.25% |
| Will Frazier | 2024 | 21:30.001 race | 21:01.001 race | -2.25% |
| Tabi Kelly | 2025 | 24:05.001 race | 23:33.003 races | -2.21% |
| Duncan Kilbride | 2021 | 21:03.001 race | 20:38.001 race | -1.98% |
| Nathan Pappas | 2021 | 22:55.001 race | 22:29.001 race | -1.89% |
| Aaron Stanger | 2021 | 19:31.001 race | 19:09.001 race | -1.88% |
| Antonio Martinez | 2024 | 20:48.001 race | 20:25.001 race | -1.84% |
| Luca Mezzanotte | 2021 | 22:52.001 race | 22:27.001 race | -1.82% |
| Thomas Romney | 2021 | 19:27.001 race | 19:07.001 race | -1.71% |
| Emily Geist | 2025 | 30:12.001 race | 29:42.001 race | -1.66% |
| Eddie Zhang | 2023 | 22:16.001 race | 21:54.001 race | -1.65% |
| Paris Liston | 2021 | 20:59.001 race | 20:39.001 race | -1.59% |
| Ella McDonald | 2025 | 22:28.001 race | 22:07.003 races | -1.56% |
| Allen Zheng | 2024 | 24:37.001 race | 24:14.001 race | -1.56% |
| Miles Sandoski | 2021 | 18:14.001 race | 17:57.001 race | -1.55% |
| Jessie Shi | 2024 | 27:03.001 race | 26:39.001 race | -1.48% |
| Emlyn Joseph | 2024 | 20:45.001 race | 20:27.001 race | -1.45% |
| Natalie Meleo | 2024 | 26:03.001 race | 25:42.001 race | -1.34% |
| Braeden Moitoso | 2021 | 20:25.001 race | 20:09.001 race | -1.31% |
| Leo Wan | 2024 | 25:14.001 race | 24:55.001 race | -1.25% |
| Sebastian Briggs | 2024 | 22:47.001 race | 22:30.001 race | -1.24% |
| Walt Reagan-Loomis | 2019 | 24:22.001 race | 24:04.001 race | -1.23% |
| Alexander Wasynczuk | 2023 | 20:53.001 race | 20:38.001 race | -1.20% |
| Daniel McGowan | 2024 | 23:15.001 race | 22:59.001 race | -1.15% |
| Sebastian Culleton | 2023 | 18:11.001 race | 18:00.001 race | -1.01% |
| Henry Buckley-Jones | 2021 | 18:23.001 race | 18:13.001 race | -0.91% |
| Noah Divon | 2024 | 24:32.001 race | 24:21.001 race | -0.75% |
| Cormac Anderson | 2024 | 24:36.001 race | 24:26.001 race | -0.68% |
| Lily Davis | 2024 | 23:17.001 race | 23:08.001 race | -0.64% |
| Alexander Colangelo | 2024 | 18:30.001 race | 18:23.001 race | -0.63% |
| Justin Jang | 2022 | 20:27.001 race | 20:21.001 race | -0.49% |
| Mark Ryan | 2019 | 18:06.001 race | 18:01.001 race | -0.46% |
| Ching Hei (Andre) Leung | 2024 | 24:13.001 race | 24:07.001 race | -0.41% |
| Emilia Raviola | 2024 | 24:12.001 race | 24:07.001 race | -0.34% |
| John Joyce | 2023 | 17:29.001 race | 17:26.001 race | -0.29% |
| Grace Maloney | 2023 | 23:46.001 race | 23:42.003 races | -0.28% |
| Kate Tarr | 2024 | 22:52.001 race | 22:49.001 race | -0.22% |
| Jack Connors | 2023 | 18:04.001 race | 18:02.001 race | -0.18% |
| Campbell Strong | 2024 | 25:06.001 race | 25:04.001 race | -0.13% |
| Sanjay Ravindran | 2024 | 25:55.001 race | 25:53.001 race | -0.13% |
| Luis Sosa Espinal | 2024 | 21:51.001 race | 21:50.001 race | -0.08% |
| Eli Helzberg | 2019 | 23:05.001 race | 23:04.001 race | -0.07% |
| Alan Wang | 2024 | 25:59.001 race | 25:58.001 race | -0.06% |
| Bruin Brayshaw | 2023 | 26:12.001 race | 26:12.002 races | 0.00% |
| Ava Palazzolo | 2022 | 24:29.001 race | 24:30.001 race | +0.07% |
| Ryan Connolly | 2024 | 20:30.001 race | 20:31.001 race | +0.08% |
| Kailyn Love | 2024 | 23:45.001 race | 23:48.001 race | +0.21% |
| Nate Hagerty | 2024 | 20:46.001 race | 20:49.001 race | +0.24% |
| Skylar Bedard | 2023 | 23:38.001 race | 23:42.003 races | +0.28% |
| Myles McCusker | 2024 | 22:26.001 race | 22:30.001 race | +0.30% |
| Matthew Smith | 2024 | 21:13.001 race | 21:17.001 race | +0.31% |
| Brady Preneta | 2025 | 21:26.001 race | 21:31.003 races | +0.39% |
| Samuel Lyons | 2019 | 20:43.001 race | 20:51.001 race | +0.64% |
| Natalie Kloman | 2022 | 28:28.001 race | 28:41.001 race | +0.76% |
| Amina Cifric | 2023 | 23:28.001 race | 23:39.003 races | +0.78% |
| Noah Naddaff-Slocum | 2019 | 21:06.001 race | 21:17.001 race | +0.87% |
| John Joyce | 2024 | 17:36.001 race | 17:46.001 race | +0.95% |
| Suma Bogelli | 2025 | 28:09.001 race | 28:26.003 races | +1.01% |
| Grant Reagan-Loomis | 2019 | 22:29.001 race | 22:45.001 race | +1.19% |
| Samuel Lyons | 2022 | 18:33.001 race | 18:47.001 race | +1.26% |
| Joseph Koh | 2024 | 19:36.001 race | 19:52.001 race | +1.36% |
| Kevin Yao | 2023 | 22:04.001 race | 22:23.003 races | +1.44% |
| Tyler Cornetta | 2022 | 21:46.001 race | 22:05.001 race | +1.45% |
| Nicolas Huaco | 2024 | 18:08.001 race | 18:24.001 race | +1.47% |
| Jillian Bergeron | 2023 | 22:17.001 race | 22:37.002 races | +1.50% |
| Alexander Wasynczuk | 2024 | 20:41.001 race | 21:00.001 race | +1.53% |
| Camille Destefano | 2022 | 28:16.001 race | 28:42.001 race | +1.53% |
| Alex Young | 2022 | 19:47.001 race | 20:06.001 race | +1.60% |
| Andrew Correia | 2019 | 22:47.001 race | 23:09.001 race | +1.61% |
| Lucas Miller | 2024 | 19:08.001 race | 19:27.001 race | +1.66% |
| Marina Joseph | 2022 | 29:30.001 race | 30:00.001 race | +1.69% |
| Henry Buckley-Jones | 2022 | 17:54.001 race | 18:13.001 race | +1.77% |
| Winson Zhang | 2024 | 23:51.001 race | 24:17.001 race | +1.82% |
| Lily Makepeace | 2024 | 24:14.001 race | 24:42.001 race | +1.93% |
| Griffin Jones | 2021 | 18:59.001 race | 19:21.001 race | +1.93% |
| Max Rochford | 2023 | 25:37.001 race | 26:09.003 races | +2.08% |
| Cam Dailey | 2019 | 22:14.001 race | 22:43.001 race | +2.17% |
| Masan Porter | 2024 | 23:00.001 race | 23:32.001 race | +2.32% |
| Margot Murphy-Hara | 2024 | 25:17.001 race | 25:53.001 race | +2.37% |
| Eric Liu | 2024 | 20:42.001 race | 21:16.001 race | +2.74% |
| Maria Anderson | 2024 | 28:53.001 race | 29:41.001 race | +2.77% |
| Jeffrey Liu | 2023 | 32:02.001 race | 32:58.001 race | +2.91% |
| Austin Corbett | 2023 | 18:55.001 race | 19:29.003 races | +3.00% |
| Andrew Young | 2022 | 21:06.001 race | 21:44.001 race | +3.00% |
| Calvin Smith | 2019 | 19:26.001 race | 20:02.001 race | +3.09% |
| Josh Taylor | 2023 | 23:01.001 race | 23:48.003 races | +3.40% |
| Mairin Anderson | 2022 | 26:06.001 race | 27:02.001 race | +3.58% |
| Sawyer Helzberg | 2019 | 22:13.001 race | 23:01.001 race | +3.60% |
| Juliana Lynch | 2022 | 27:05.001 race | 28:04.001 race | +3.63% |
| Chris Thompson | 2023 | 20:04.001 race | 20:48.001 race | +3.65% |
| Merrick Brannigan | 2024 | 23:33.001 race | 24:25.001 race | +3.68% |
| Lousia Corbett | 2024 | 25:11.001 race | 26:10.001 race | +3.90% |
| Maggie Crowley | 2022 | 23:26.001 race | 24:21.001 race | +3.91% |
| Joshua Rocha | 2019 | 21:03.001 race | 21:54.001 race | +4.04% |
| Anya Carroll | 2022 | 27:30.001 race | 28:39.001 race | +4.18% |
| Sophia Mikelinich | 2023 | 22:43.001 race | 23:40.003 races | +4.18% |
| Charles Jackivicz | 2024 | 18:10.001 race | 18:56.001 race | +4.22% |
| Heng Leong | 2022 | 21:17.001 race | 22:11.001 race | +4.23% |
| Martin Beaumont-Mill | 2023 | 24:27.001 race | 25:31.003 races | +4.36% |
| Peter Abenante | 2023 | 21:52.001 race | 22:50.003 races | +4.42% |
| Eli Helzberg | 2022 | 21:22.001 race | 22:19.001 race | +4.45% |
| Jason Minicozzi | 2022 | 19:38.001 race | 20:34.001 race | +4.75% |
| Ella McDonald | 2023 | 23:49.001 race | 24:57.003 races | +4.76% |
| Jason Fan | 2025 | 26:54.001 race | 28:13.002 races | +4.89% |
| Max Meyerhardt | 2019 | 19:42.001 race | 20:43.001 race | +5.16% |
| Seif El Gazaar | 2024 | 19:36.001 race | 20:37.001 race | +5.19% |
| Alex Young | 2021 | 20:54.001 race | 22:00.002 races | +5.26% |
| Benjamin Hebbel | 2024 | 17:21.001 race | 18:16.001 race | +5.28% |
| Thaxton Frey | 2024 | 22:06.001 race | 23:27.001 race | +6.11% |
| Natalie Kloman | 2021 | 29:47.001 race | 31:43.001 race | +6.49% |
| Andrew Young | 2019 | 27:39.001 race | 29:28.001 race | +6.57% |
| Addy Vettel | 2019 | 20:07.001 race | 21:29.001 race | +6.79% |
| Nicholas Reimer | 2023 | 20:19.001 race | 21:42.003 races | +6.81% |
| Nicole Fallon | 2024 | 26:16.001 race | 28:04.001 race | +6.85% |
| Aidan Pearsall | 2024 | 16:57.001 race | 18:07.001 race | +6.88% |
| Peter Gnazzo | 2024 | 24:30.001 race | 26:17.001 race | +7.28% |
| Katelyn Pereira | 2023 | 24:52.001 race | 26:45.003 races | +7.57% |
| Tyler Cornetta | 2019 | 22:42.001 race | 24:29.001 race | +7.86% |
| Sophie Kelly | 2023 | 26:51.001 race | 29:14.003 races | +8.88% |
| Sam Blank | 2022 | 21:13.001 race | 23:13.001 race | +9.43% |
| Janciel Martinez | 2023 | 23:52.001 race | 26:13.003 races | +9.85% |
| Emily Geist | 2023 | 28:00.001 race | 30:55.003 races | +10.42% |
| Amanda Gary | 2019 | 25:11.001 race | 28:06.001 race | +11.58% |
| Luke Peabody | 2024 | 20:05.001 race | 22:47.001 race | +13.44% |