| Smallest Victory Margins | ||
| Margin | Year | Winner & Runner-up |
| 0.1 secs | 1955 | Charles Jones (Iowa) 19:57.4; Henry Kennedy (Michigan St) 19:57.5 |
| 0.5 secs | 2018 | Morgan McDonald (Wisconsin) 29:08.3; Grant Fisher (Stanford) 29:08.8 |
| 0.7 secs | 2017 | Justyn Knight (Syracuse) 29:00.1; Matthew Baxter (No. Ariz.) 29:00.8 |
| 0.8 secs | 1981 | Mathews Motshwarateu (UTEP) 28:45.6; Michael Musyoki (UTEP) 28:46.4 |
| 0.9 secs | 2022 | Charles Hicks (Stanford) 28:43.6; Nico Young (NAU) 28:44.5 |
| 1 sec | 1988 | Bob Kennedy (Indiana) 29:20; Yehezkel Halifa (Clemson) 29:21 |
| 1.0 secs | 2007 | Josh McDougal (Liberty) 29:22.4; Galen Rupp (Oregon) 29:23.4 |
| 1.1 secs | 1946 | Quentin Brelsford (Ohio Wesleyan) 20:22.9; Curtis Stone (Penn St) 20:24 |