Federation · USA
United States national best marks
Best marks by United States athletes in each event, compiled from the all-time lists we import. Derived national bests — not official national records (see note below).
83
Stored marks
59
Distinct marks shown
Men's Half Marathon
Derived 14 Sep 2026
| # | Athlete | Mark | Date | Venue | Age |
|---|---|---|---|---|---|
| 1 | Conner Mantz | 59:15 | 16 Mar 2025 | — | — |
| 2 | Alex Maier | 59:23 | 11 Jan 2026 | — | — |
| 3 | Casey Clinger | 59:34 | 11 Jan 2026 | — | — |
| 4 | Zouhair Talbi | 59:41 | 15 Mar 2026 | — | — |
| 5 | Ryan Hall | 59:43 | 14 Jan 2007 | — | — |
| 6 | Galen Rupp | 59:47 | 11 Mar 2018 | — | 31 |
| 7 | Ryan Ford | 59:48 | 11 Jan 2026 | — | — |
| 8 | Alex Maier | 59:51 | 15 Mar 2026 | — | — |
| 9 | Leonard Korir | 59:52 | 19 Nov 2017 | — | — |
| 10 | Hillary Bor | 59:55 | 16 Mar 2025 | — | — |
| 11 | Isai Rodriguez | 59:57 | 11 Jan 2026 | — | — |
| 12 | Dathan Ritzenhein | 1:00:00 | 11 Oct 2009 | — | — |
| 13 | Joe Klecker | 1:00:02 | 15 Mar 2026 | — | — |
| 14 | Hillary Bor | 1:00:04 | 11 Jan 2026 | — | — |
| 15 | Todd Williams | 1:00:11 | 24 Jan 1993 | — | — |
| 16 | Dathan Ritzenhein | 1:00:12 | 11 Sep 2016 | — | — |
| 16= | Leonard Korir | 1:00:12 | 21 Oct 2018 | — | — |
| 18 | Ryan Ford | 1:00:22 | 15 Mar 2026 | — | — |
| 19 | Abdihakem Abdirahman | 1:00:29 | 5 Aug 2007 | — | — |
| 20 | Galen Rupp | 1:00:30 | 20 Mar 2011 | — | 24 |
| 21 | Abbabiya Simbassa | 1:00:32 | 11 Jan 2026 | — | — |
| 22 | Samuel Chelanga | 1:00:37 | 14 Jan 2018 | — | — |
| 22= | Abbabiya Simbassa | 1:00:37 | 23 Oct 2022 | — | — |
| 24 | Mohamed Trafeh | 1:00:39 | 21 Mar 2010 | — | — |
| 25 | Abbabiya Simbassa | 1:00:42 | 22 Oct 2023 | — | — |
| 26 | Kirubel Erassa | 1:00:44 | 16 Jan 2022 | — | — |
| 27 | Abbabiya Simbassa | 1:00:45 | 14 Jan 2024 | — | — |
| 28 | Alex Maier | 1:00:48 | 2 Mar 2025 | — | — |
| 29 | Diego Estrada | 1:00:49 | 14 Jan 2024 | — | — |
| 30 | Diego Estrada | 1:00:51 | 18 Jan 2015 | — | — |
| 31 | Grant Fisher | 1:00:53 | 15 Mar 2026 | — | 28 |
| 32 | Reed Fischer | 1:00:54 | 11 Jan 2026 | — | — |
| 33 | Mark Curp | 1:00:55 | 15 Sep 1985 | — | — |
| 33= | Conner Mantz | 1:00:55 | 5 Dec 2021 | — | — |
| 33= | Dylan Schubert | 1:00:55 | 11 Jan 2026 | — | — |
| 36 | Dathan Ritzenhein | 1:00:57 | 16 Sep 2012 | — | — |
| 37 | Shadrack Kipchirchir | 1:00:58 | 2 Mar 2025 | — | — |
| 37= | Skylar Stidam | 1:00:58 | 11 Jan 2026 | — | — |
| 39 | Samuel Chelanga | 1:00:59 | 5 Dec 2021 | — | — |
| 39= | Hillary Bor | 1:00:59 | 2 Mar 2025 | — | — |
| 41 | Mebrahtom Keflezighi | 1:01:00 | 1 Nov 2009 | — | — |
| 41= | Frank Lara | 1:01:00 | 24 Oct 2021 | — | — |
| 43 | Haron Lagat | 1:01:01 | 14 Jan 2018 | — | — |
| 44 | Ethan Shuley | 1:01:02 | 25 Jan 2026 | — | — |
| 45 | Abbabiya Simbassa | 1:01:03 | 16 Jan 2022 | — | — |
| 45= | Ahmed Muhumed | 1:01:03 | 2 Mar 2025 | — | — |
| 47 | Diego Estrada | 1:01:05 | 7 Apr 2024 | — | — |
| 48 | Abdihakem Abdirahman | 1:01:07 | 17 Sep 2006 | — | — |
| 49 | Morgan Pearson | 1:01:08 | 27 Oct 2024 | — | — |
| 50 | Sydney Gidabuday | 1:01:09 | 16 Jan 2022 | — | — |
| 50= | Andrew Colley | 1:01:09 | 2 Mar 2025 | — | — |
| 50= | Graydon Morris | 1:01:09 | 11 Jan 2026 | — | — |
| 53 | Dathan Ritzenhein | 1:01:10 | 17 Mar 2013 | — | — |
| 54 | Scott Fauble | 1:01:11 | 16 Jan 2022 | — | — |
| 54= | Shuaib Aljabaly | 1:01:11 | 15 Feb 2026 | — | — |
| 56 | Chris Derrick | 1:01:12 | 19 Mar 2017 | — | — |
| 56= | Conner Mantz | 1:01:12 | 15 Jan 2023 | — | — |
| 58 | Nicolas Montanez | 1:01:13 | 5 Dec 2021 | — | — |
| 59 | Leonard Korir | 1:01:14 | 15 Jan 2017 | — | — |
| 59= | Matthew Richtman | 1:01:14 | 2 Mar 2025 | — | — |
| 61 | Wesley Kiptoo | 1:01:15 | 1 Mar 2026 | — | — |
| 62 | Shadrack Kipchirchir | 1:01:16 | 20 Mar 2022 | — | — |
| 63 | Khalid Khannouchi | 1:01:17 | 17 Sep 2000 | — | — |
| 63= | Mohamed Trafeh | 1:01:17 | 22 Jun 2013 | — | — |
| 63= | Emmauel Bor | 1:01:17 | 6 Mar 2016 | — | — |
| 66 | Clayton Young | 1:01:18 | 5 Dec 2021 | — | — |
| 66= | Emad Bashir-Mohammed | 1:01:18 | 1 Jun 2025 | — | — |
| 68 | Hillary Bor | 1:01:20 | 27 Oct 2024 | — | — |
| 69 | Khalid Khannouchi | 1:01:21 | 19 Sep 2004 | — | — |
| 69= | Futsum Zianasellassie | 1:01:21 | 5 Dec 2021 | — | — |
| 71 | Mebrahtom Keflezighi | 1:01:22 | 22 Jun 2013 | — | — |
| 72 | Mebrahtom Keflezighi | 1:01:23 | 19 Jan 2014 | — | — |
| 72= | Timothy Ritchie | 1:01:23 | 31 Oct 2015 | — | — |
| 72= | Samuel Chelanga | 1:01:23 | 24 Mar 2018 | — | — |
| 72= | Camren Todd | 1:01:23 | 11 Jan 2026 | — | — |
| 76 | Dathan Ritzenhein | 1:01:25 | 1 Oct 2006 | — | — |
| 76= | Mebrahtom Keflezighi | 1:01:25 | 18 Jan 2009 | — | — |
| 78 | Shuaib Aljabaly | 1:01:27 | 26 Oct 2025 | — | — |
| 79 | Mebrahtom Keflezighi | 1:01:28 | 27 Aug 2006 | — | — |
| 79= | Abbabiya Simbassa | 1:01:28 | 1 Oct 2023 | — | — |
| 79= | Ahmed Muhumed | 1:01:28 | 26 Oct 2025 | — | — |
| 82 | Luke Puskedra | 1:01:29 | 17 Jan 2016 | — | — |
| 82= | Ryan Ford | 1:01:29 | 2 Mar 2025 | — | — |
Every mark in scope within the compiled depth. Equal marks share a rank ("1=" style). An athlete with marks for two nations appears under each nation represented at the time (e.g. Obikwelu under Nigeria and Portugal).
About this derivation
These lists are derived from the marks in our database — including the complete legal all-time lists imported from alltime-athletics.com — grouped by the nation the athlete was representing at each mark. They are not official national records: federations ratify national records under their own eligibility rules, and some marks here may not qualify.