Pairwise course analysis
Noble and Greenough School 5Kvs.LA 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
LA 5K Course runs faster
-1.31%
Roughly 15.7 seconds faster for a 20:00 runner
Paired observations
101
Deep evidence
Median difference
-3.79%
Middle runner-season comparison
Overall estimate
-1.31%
Network-adjusted course estimate
Middle 50% range
+6.40%
Observed variation (IQR)
Direction and magnitude
Relative course speed
LA 5K Course fasterEvenLA 5K Course slower
Confidence interval
-4.61% to -2.04%
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 | Noble and Greenough School 5K | LA 5K Course | Difference |
|---|---|---|---|---|
| Justin Lee | 2025 | 31:53.001 race | 19:10.001 race | -39.88% |
| Xavier Clemente | 2025 | 26:01.001 race | 20:40.001 race | -20.56% |
| Sien Chen | 2025 | 26:17.001 race | 22:25.001 race | -14.71% |
| Chloe Jeppson | 2025 | 32:57.001 race | 29:36.001 race | -10.17% |
| Alex Yoon | 2025 | 26:15.001 race | 23:43.001 race | -9.65% |
| Derek Yin | 2025 | 30:37.001 race | 27:46.001 race | -9.31% |
| Lauren Peloquin | 2025 | 31:08.001 race | 28:32.001 race | -8.35% |
| Alex Cai | 2025 | 22:10.001 race | 20:19.001 race | -8.35% |
| Walt Reagan-Loomis | 2019 | 24:22.001 race | 22:21.001 race | -8.28% |
| Chiara Pai | 2025 | 25:53.001 race | 23:49.001 race | -7.98% |
| Jack Santry | 2025 | 26:10.001 race | 24:12.001 race | -7.52% |
| Peter Grace | 2025 | 22:41.001 race | 21:02.001 race | -7.27% |
| Eli Helzberg | 2019 | 23:05.001 race | 21:30.001 race | -6.86% |
| Jayden Leung | 2025 | 20:17.001 race | 18:54.001 race | -6.82% |
| Kinh Kieu | 2022 | 33:15.001 race | 30:59.002 races | -6.82% |
| Ollie Jacobs | 2025 | 25:01.001 race | 23:22.001 race | -6.60% |
| James Fair | 2025 | 19:28.001 race | 18:14.001 race | -6.34% |
| William Johnson | 2025 | 20:55.001 race | 19:40.001 race | -5.98% |
| Raphael Klauber | 2025 | 19:16.001 race | 18:07.001 race | -5.97% |
| Nicole Lewis | 2025 | 35:50.001 race | 33:42.001 race | -5.95% |
| Tate Corcoran | 2025 | 20:11.001 race | 19:00.001 race | -5.86% |
| Emery Nordahl | 2025 | 20:35.001 race | 19:24.001 race | -5.75% |
| Andrew Young | 2019 | 27:39.001 race | 26:04.001 race | -5.73% |
| Sunehri Verma | 2025 | 30:17.001 race | 28:34.001 race | -5.67% |
| Roger Gao | 2025 | 25:00.001 race | 23:35.001 race | -5.67% |
| Gaby Guzman | 2025 | 29:56.001 race | 28:16.001 race | -5.57% |
| Cecilia Lakwadala | 2025 | 25:19.001 race | 23:57.001 race | -5.40% |
| Samuel Lyons | 2019 | 20:43.001 race | 19:37.001 race | -5.31% |
| Michael Bobo | 2021 | 22:40.001 race | 21:28.001 race | -5.29% |
| Nahman Mack | 2025 | 19:06.001 race | 18:06.001 race | -5.24% |
| Anders Ulrich | 2025 | 20:04.001 race | 19:01.001 race | -5.23% |
| Juli Smith | 2025 | 33:44.001 race | 32:00.001 race | -5.14% |
| Andy Baeck | 2025 | 23:08.001 race | 21:57.001 race | -5.12% |
| Jaden Huang | 2025 | 18:46.001 race | 17:49.001 race | -5.06% |
| Grant Reagan-Loomis | 2019 | 22:29.001 race | 21:21.001 race | -5.04% |
| Alexander Kirby | 2022 | 22:37.001 race | 21:29.002 races | -5.01% |
| Matthew Smith | 2022 | 23:06.001 race | 21:59.002 races | -4.83% |
| Teddy Dlugosch | 2025 | 25:38.001 race | 24:24.001 race | -4.81% |
| Christina Hall | 2025 | 29:37.001 race | 28:12.001 race | -4.78% |
| Andrew Correia | 2019 | 22:47.001 race | 21:42.001 race | -4.75% |
| Allen Sheng | 2025 | 24:36.001 race | 23:26.001 race | -4.74% |
| Warren Turner | 2025 | 21:18.001 race | 20:20.001 race | -4.54% |
| Calvin Smith | 2019 | 19:26.001 race | 18:34.001 race | -4.46% |
| Blakeny Johnston | 2025 | 24:07.001 race | 23:06.001 race | -4.22% |
| Tyler Cornetta | 2019 | 22:42.001 race | 21:45.001 race | -4.19% |
| Blake Dinwoodey | 2025 | 21:41.001 race | 20:47.001 race | -4.15% |
| Ollie Smith | 2025 | 20:27.001 race | 19:37.001 race | -4.07% |
| Finn Zinger | 2025 | 24:20.001 race | 23:21.001 race | -4.04% |
| Tomas Hernandez | 2025 | 19:16.001 race | 18:30.001 race | -3.98% |
| Anray Sheng | 2025 | 22:48.001 race | 21:56.001 race | -3.80% |
| Devin Reid | 2025 | 18:27.001 race | 17:45.001 race | -3.79% |
| Lucas Miller | 2022 | 21:53.001 race | 21:04.002 races | -3.73% |
| Margo Lewis | 2019 | 24:30.001 race | 23:36.001 race | -3.67% |
| Cecilia Korb | 2025 | 26:13.001 race | 25:16.001 race | -3.62% |
| Quentin DeFreitas | 2022 | 25:25.001 race | 24:34.002 races | -3.34% |
| Dylan Kovacs | 2025 | 28:20.001 race | 27:25.001 race | -3.24% |
| Ava Tchong | 2025 | 22:34.001 race | 21:51.001 race | -3.18% |
| Carver Porter | 2021 | 22:37.001 race | 21:56.001 race | -3.02% |
| Will Grace | 2025 | 18:12.001 race | 17:42.001 race | -2.75% |
| Sawyer Helzberg | 2019 | 22:13.001 race | 21:41.001 race | -2.40% |
| Jonas Wilderman | 2025 | 19:13.001 race | 18:46.001 race | -2.34% |
| Jeremy Eaton | 2021 | 22:07.001 race | 21:36.001 race | -2.34% |
| George Reinhardt | 2019 | 19:53.001 race | 19:29.001 race | -2.01% |
| Noah Naddaff-Slocum | 2019 | 21:06.001 race | 20:41.001 race | -1.97% |
| Tycho Bardon | 2025 | 21:22.001 race | 20:57.001 race | -1.95% |
| Amanda Gary | 2019 | 25:11.001 race | 24:47.001 race | -1.59% |
| Davis Woolbert | 2021 | 20:39.001 race | 20:21.001 race | -1.45% |
| Max Meyerhardt | 2019 | 19:42.001 race | 19:34.001 race | -0.68% |
| Matthew Smith | 2021 | 22:29.001 race | 22:20.002 races | -0.67% |
| Nathaniel Voss | 2021 | 20:44.001 race | 20:38.001 race | -0.48% |
| Paris Liston | 2021 | 20:59.001 race | 20:57.001 race | -0.16% |
| Alexander Colangelo | 2022 | 19:26.001 race | 19:25.001 race | -0.09% |
| James Donahue | 2021 | 16:52.001 race | 16:53.001 race | +0.10% |
| Myles McCusker | 2022 | 22:52.001 race | 22:54.002 races | +0.15% |
| Duncan Kilbride | 2021 | 21:03.001 race | 21:09.001 race | +0.48% |
| Jackson Pagan | 2021 | 20:57.001 race | 21:03.001 race | +0.48% |
| Vera Zatlyn-Weiner | 2025 | 21:34.001 race | 21:42.001 race | +0.62% |
| Cam Stathos | 2019 | 18:20.001 race | 18:29.001 race | +0.82% |
| Arec Keomurjian | 2021 | 20:05.001 race | 20:15.001 race | +0.83% |
| Nathan Pappas | 2021 | 22:55.001 race | 23:09.001 race | +1.02% |
| Henry McLane | 2025 | 17:17.001 race | 17:28.001 race | +1.06% |
| Mark Ryan | 2019 | 18:06.001 race | 18:20.001 race | +1.29% |
| Roger Zhou | 2025 | 21:55.001 race | 22:14.001 race | +1.44% |
| Charles Zhang | 2022 | 25:50.001 race | 26:14.002 races | +1.55% |
| Hanna Lapides | 2019 | 26:00.001 race | 26:28.001 race | +1.79% |
| Leah Farb | 2025 | 26:47.001 race | 27:18.001 race | +1.93% |
| Charlotte Lokere | 2022 | 26:02.001 race | 26:37.003 races | +2.24% |
| Aaron Stanger | 2021 | 19:31.001 race | 19:59.001 race | +2.39% |
| Alex Cheng | 2025 | 16:40.001 race | 17:05.001 race | +2.50% |
| Aidan Berger | 2021 | 20:36.001 race | 21:09.002 races | +2.67% |
| Joshua Rocha | 2019 | 21:03.001 race | 21:40.001 race | +2.93% |
| Leo Xu | 2021 | 30:27.001 race | 31:24.001 race | +3.12% |
| William Trautz | 2021 | 18:52.001 race | 19:30.001 race | +3.36% |
| Matt Simon | 2021 | 23:44.001 race | 24:37.001 race | +3.72% |
| Thomas Romney | 2021 | 19:27.001 race | 20:16.001 race | +4.20% |
| Brandon Christ | 2021 | 20:05.001 race | 21:01.002 races | +4.65% |
| Natalie Kloman | 2019 | 31:39.001 race | 33:10.001 race | +4.79% |
| Braeden Moitoso | 2021 | 20:25.001 race | 21:38.002 races | +5.96% |
| Anthony Coston | 2021 | 26:58.001 race | 28:36.001 race | +6.06% |
| Miles Sandoski | 2021 | 18:14.001 race | 19:29.001 race | +6.86% |
| Joshua White | 2021 | 25:30.001 race | 29:18.002 races | +14.90% |