NEPrepXC
Back to St. Mark's School Championship CourseAll courses

Pairwise course analysis

St. Mark's School Championship Coursevs.St. Sebastian'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

St. Sebastian's 5K Course runs slower

+2.99%

Roughly 35.9 seconds slower for a 20:00 runner

Paired observations

80

Strong evidence

Median difference

+3.78%

Middle runner-season comparison

Overall estimate

+2.99%

Network-adjusted course estimate

Middle 50% range

+6.75%

Observed variation (IQR)

Direction and magnitude

Relative course speed

St. Sebastian's 5K Course fasterEvenSt. Sebastian's 5K Course slower

Confidence interval

+3.10% to +5.35%

Scale shown

-6% to +6%

Course context

The two courses

Baseline course

St. Mark's School Championship Course

4,900 meters

Compared course

St. Sebastian's 5K Course

5,000 meters

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.

RunnerSeasonSt. Mark's School Championship CourseSt. Sebastian's 5K CourseDifference
Eddie Zhang202224:59.001 race22:12.001 race-11.14%
Haotong (HT) Xue202221:09.001 race20:14.001 race-4.33%
John Pena202523:25.002 races22:38.001 race-3.35%
Ryan Loughran201919:40.001 race19:13.001 race-2.29%
William Trautz202516:53.002 races16:31.001 race-2.17%
Nicholas Tao201921:07.001 race20:40.001 race-2.13%
Jake Elkins201920:17.001 race19:54.001 race-1.89%
Mathew Hong201919:28.001 race19:08.001 race-1.71%
Patrick McDonald201918:18.001 race18:01.001 race-1.55%
John Joyce202218:48.001 race18:33.001 race-1.33%
Henry Gennari201922:55.001 race22:39.001 race-1.16%
Ryan Albertson201922:50.001 race22:37.001 race-0.95%
Theo Goldman201922:53.001 race22:43.001 race-0.73%
Sam Rabieh201918:08.001 race18:03.001 race-0.46%
Cooper Schuldt202519:27.002 races19:24.001 race-0.26%
Matthew Choumenkovitch201923:36.001 race23:37.001 race+0.07%
Alessandro Barbiellini201922:46.001 race22:47.001 race+0.07%
Augustus Hawk201922:12.001 race22:13.001 race+0.08%
Charles Chen201923:18.001 race23:20.001 race+0.14%
Mark Wilson201920:26.001 race20:28.001 race+0.16%
Joseph Pandit201918:53.001 race19:03.001 race+0.88%
Konstantin Lukin-Yelin201919:34.001 race19:46.001 race+1.02%
Andrew Monsalve201921:58.001 race22:16.001 race+1.37%
Sam Modur201923:47.001 race24:10.001 race+1.61%
Elan Libman202523:32.701 race23:58.001 race+1.79%
Ford Legg201921:43.001 race22:11.001 race+2.15%
Zane Davis201923:37.001 race24:09.001 race+2.26%
Louis Levy201921:55.001 race22:27.001 race+2.43%
Thomas Flatley201918:25.001 race18:52.001 race+2.44%
Samuel Hinman201918:24.001 race18:53.001 race+2.63%
Julian Li201919:05.001 race19:37.001 race+2.79%
Chris Thompson202220:05.001 race20:39.001 race+2.82%
William Hansen202220:00.001 race20:40.001 race+3.33%
Christian Batemen201921:04.001 race21:47.001 race+3.40%
Gabriel (Gabby) Guerrero202218:03.001 race18:41.001 race+3.51%
Jack Connors202217:38.001 race18:16.001 race+3.59%
William Hansen201921:05.001 race21:51.001 race+3.64%
Owen Dowden201926:34.001 race27:32.001 race+3.64%
James Palumbo202521:10.002 races21:57.001 race+3.70%
Alexander Guo202522:08.002 races22:58.001 race+3.77%
Samuel Hinman202218:03.001 race18:44.001 race+3.79%
Oscar Caprano201923:46.001 race24:40.001 race+3.79%
Patrick Snail202520:34.001 race21:22.001 race+3.89%
Timothy Snail202518:29.001 race19:15.001 race+4.15%
Andrew Gilmore202523:00.002 races23:59.001 race+4.28%
Sebastian Culleton202218:56.001 race19:48.001 race+4.58%
Connor Steele202218:51.001 race19:44.001 race+4.69%
Colin Grierson202518:23.002 races19:17.001 race+4.90%
Griffin Calhoun202519:22.001 race20:27.001 race+5.59%
Eli Berk202223:05.001 race24:24.001 race+5.70%
Alex Chen202521:15.002 races22:28.001 race+5.73%
Miles Keller202518:19.002 races19:22.001 race+5.73%
Thomas Egan202520:52.002 races22:04.001 race+5.75%
Serhii Malevych202225:52.001 race27:22.001 race+5.80%
Alex Wu201918:36.001 race19:43.001 race+6.00%
Shea McDonnell202521:04.002 races22:26.001 race+6.49%
Theodore Choe202218:54.001 race20:12.001 race+6.88%
Hudson Li202220:51.001 race22:21.001 race+7.19%
Jack Good202518:54.002 races20:16.001 race+7.23%
William Achtmeyer202520:46.002 races22:19.001 race+7.46%
Jacob (Coby) Mulliken202219:56.001 race21:27.001 race+7.61%
Jason Louie202220:40.001 race22:16.001 race+7.74%
Eita Fuse202517:39.002 races19:01.001 race+7.74%
Louis Chiasson202220:36.001 race22:15.001 race+8.01%
Brady Payne202219:55.001 race21:31.001 race+8.03%
Kevin Farmer202219:44.001 race21:22.001 race+8.28%
Tyler Smith202520:18.002 races22:00.001 race+8.37%
Yamin Ibrahim202517:31.002 races19:03.001 race+8.75%
Riley Marth202519:11.002 races20:59.001 race+9.38%
Kai On (Jason) Yu202220:07.001 race22:09.001 race+10.11%
Daniel Ko201923:34.001 race26:01.001 race+10.40%
Gratian Ting202220:40.001 race22:51.001 race+10.56%
Samuel Degrappo202218:51.001 race21:01.001 race+11.49%
Adrian Chen202530:38.002 races34:14.001 race+11.75%
Asher Parker-Sartori201925:52.001 race28:56.001 race+11.86%
Michael Kalinichenko201925:35.001 race29:00.001 race+13.36%
Tim Guan201925:38.001 race29:20.001 race+14.43%
Suhas Kaniyar202525:27.002 races29:38.001 race+16.44%
Declan Woolbert202517:42.002 races20:40.001 race+16.76%
Andrew Rodriguez202222:09.001 race26:22.001 race+19.04%