All-time individual bests for Northwestern University ST (IL) — the fastest recorded time in every event, with the top three holders.
| Event | Time | Holder | Date |
|---|---|---|---|
| 50 Free | 19.45★ | Stuart Seymour | 2025-11-20 |
| #2 | 19.93 | David Gerchik | 2025-02-27 |
| #3 | 20.10 | Gal Shlegel | 2025-11-20 |
| 100 Free | 41.79★ | Stuart Seymour | 2026-03-28 |
| #2 | 43.23 | Gal Shlegel | 2025-11-21 |
| #3 | 44.73 | Langston Duncan | 2026-02-28 |
| 200 Free | 1:33.13★ | Oliver Kos | 2026-02-26 |
| #2 | 1:35.40 | Stuart Seymour | 2025-10-11 |
| #3 | 1:36.90 | Diego Nosack | 2025-11-07 |
| 500 Free | 4:20.71★ | Diego Nosack | 2025-11-20 |
| #2 | 4:23.15 | Alexander Rousseau | 2025-11-20 |
| #3 | 4:26.11 | David Vinokur | 2025-11-20 |
| 1000 Free | 9:15.56★ | Alexander Rousseau | 2025-11-07 |
| #2 | 9:17.66 | Tristan Prizler | 2025-01-31 |
| #3 | 9:21.90 | David Vinokur | 2025-11-07 |
| 1650 Free | 15:05.64★ | Alexander Rousseau | 2026-02-28 |
| #2 | 15:28.97 | David Vinokur | 2025-11-18 |
| #3 | 16:04.59 | Zoe Nordmann | 2025-11-18 |
| Event | Time | Holder | Date |
|---|---|---|---|
| 50 Back | 20.74★ | Stuart Seymour | 2026-03-25 |
| #2 | 21.21 | David Gerchik | 2025-02-26 |
| #3 | 21.92 | Aaron Baltaytis | 2025-11-18 |
| 100 Back | 44.55★ | Stuart Seymour | 2026-03-27 |
| #2 | 45.37 | David Gerchik | 2026-03-27 |
| #3 | 45.86 | Oliver Kos | 2026-02-27 |
| 200 Back | 1:39.32★ | Oliver Kos | 2026-03-07 |
| #2 | 1:39.47 | David Gerchik | 2026-02-28 |
| #3 | 1:42.86 | Aaron Baltaytis | 2026-02-28 |
| Event | Time | Holder | Date |
|---|---|---|---|
| 100 Breast | 53.41★ | George Groves | 2026-02-26 |
| #2 | 1:00.95 | Audrey Yu | 2025-11-19 |
| #3 | 1:02.22 | Kayla Rodriguez | 2026-01-30 |
| 200 Breast | 1:56.53★ | George Groves | 2026-02-27 |
| #2 | 2:05.56 | Tristan Prizler | 2025-02-01 |
| #3 | 2:13.56 | Kayla Rodriguez | 2026-01-31 |
| Event | Time | Holder | Date |
|---|---|---|---|
| 100 Fly | 44.66★ | Stuart Seymour | 2026-02-26 |
| #2 | 46.37 | Aaron Baltaytis | 2026-02-26 |
| #3 | 47.37 | Gal Shlegel | 2025-11-19 |
| 200 Fly | 1:43.31★ | Diego Nosack | 2025-11-21 |
| #2 | 1:46.77 | David Vinokur | 2026-02-28 |
| #3 | 1:48.07 | Kyle Wang | 2025-11-21 |
| Event | Time | Holder | Date |
|---|---|---|---|
| 100 IM | 55.83★ | Grey Davis | 2025-10-24 |
| #2 | 55.95 | Sydney Smith | 2025-10-24 |
| 200 IM | 1:45.73★ | George Groves | 2026-02-28 |
| #2 | 1:47.33 | Diego Nosack | 2025-11-08 |
| #3 | 1:47.96 | Joshua STAPLES | 2026-03-28 |
| 400 IM | 3:36.58★ | Joshua STAPLES | 2026-03-26 |
| #2 | 3:47.53 | Diego Nosack | 2025-11-19 |
| #3 | 3:55.22 | Tristan Prizler | 2025-02-01 |