American Masters 20,000 m Race Walk Outdoor Track & Field Records
| pending | |
| women-only |
Men
| Division | Performance | Name | Location | Date |
| 35-39 | 1:26:30.6 | Curt Clausen (35) | Palo Alto, CA | 2003-Jun-20 |
| 40-44 | 1:27:29.5 | Tim Seaman NYAC (40) | Eugene, OR | 2012-Jun-30 |
| 45-49 | 1:35:18.5 | Ray Sharp (45) | Carson, CA | 2005-Jun-26 |
| 50-54 | 1:33:28.0 | Don DeNoon (51) | Edwardsville, IL | 1994-Jul-09 |
| 55-59 | 1:43:22.9 | Jonathan Matthews Shore Athletic Club of New Jersey (56) | Eugene, OR | 2012-Jun-30 |
| 60-64 | 1:51:17.6 | Dave Romansky | New London, CT | 1999-Oct-16 |
| 60-64 | 1:49:09 (p) | Ian Whatley Caminata Track Club (60) | Toronto, CAN | 2019-Jun-02 |
| 65-69 | 2:03:45.0 | Jack Starr | Alexandria, VA | 1996-Nov-03 |
| 70-74 | 2:28:24 | James Carmines So Cal Track Club (72) | Owego, NY | 2015-Jun-13 |
| 75-79 | 2:19:37.5 | Bob Mimm | Pt. Pleasant, NJ | 2001-May-20 |
Women
| Division | Performance | Name | Location | Date |
| 35-39 | 1:34:31.06 | Michelle Rohl Moving Comfort (37) | Palo Alto, CA | 2003-Jun-21 |
| 40-44 | 1:33:28.15 | Teresa Vaill (42) | Carson, CA | 2005-Jun-25 |
| 45-49 | 1:38:20.20 (f) | Joanne Dow Unattached (48) | Eugene, OR | 2012-Jul-01 |
| 50-54 | 2:04:39.7 | Katie Grimes Racewalkers Northwest (50) | Banks, OR | 2014-May-04 |
| 55-59 | 2:09:17.1 | Janet Higbie | New London, CT | 1999-Oct-16 |
| 60-64 | 2:14:52.0 | Janet Higbie | Pt. Pleasant, NJ | 2003-May-18 |
| 65-69 | 2:35:26 | S. Kay Carmines So Cal Track Club (69) | Owego, NY | 2015-Jun-13 |