American Masters 45-49 Road Records
| pending | |
| women-only |
Last updated: 07/30/2019
Men 45-49
| Event | Performance | Name | Location | Date |
| 1 mi. | 4:24 | Kevin Castille (45) | Flint, MI | 2017-Aug-25 |
| 5 km | 14:29 | Kevin Castille (45) | Syracuse, NY | 2017-Oct-01 |
| 8 km | 24:14 | Dennis Simonaitis (48) | Virginia Beach, VA | 2010-Mar-20 |
| 10 km | 31:06 | Gary Romesser (46) | Mobile, AL | 1997-Mar-22 |
| 29:51 (p) | Kevin Castille (45) | Davie, FL | 2017-Nov-19 | |
| 29:08 (p) | Kevin Castille (45) | Houston, TX | 2018-Feb-24 | |
| 12 km | 37:17 | Mbarak Hussein (47) | Spokane, WA | 2012-May-06 |
| 15 km | 46:34 | Kevin Castille (45) | Tulsa, OK | 2017-Oct-28 |
| 46:11 (p) | Kevin Castille (45) | Utica, NY | 2017-Jul-09 | |
| 45:37 (p) | Kevin Castille (46) | Utica, NY | 2018-Jul-08 | |
| 10 mi. | 52:22 | Bill Rodgers (49) | Washington, DC | 1997-Apr-13 |
| 20 km | 1:05:46 | Larry Olsen (46) | New Haven, CT | 1993-Sep-06 |
| Half-Marathon | 1:08:05 | Bill Rodgers (45) | Kansas City, MO | 1993-Jun-06 |
| 1:05:16 (p) | Kevin Castille (45) | Akron, OH | 2017-Sep-23 | |
| 1:05:11 (p) | Kevin Castille (45) | Houston, TX | 2018-Jan-14 | |
| 25 km | 1:22:10 | Dennis Simonaitis (45) | Grand Rapids, MI | 2008-May-10 |
| 30 km | 1:39:18 | Bill Rodgers (45) | Hamilton/Ont, CAN | 1993-Mar-28 |
| Marathon | 2:16:58 | Mbarak Hussein (45) | Minneapolis, MN | 2010-Oct-03 |
| 50 km | 3:13:07 | Rich Hanna (49) | Sacramento, CA | 2014-Feb-01 |
| 3:09:23 (p) | Jason Butler (45) | Ft Worth, TX | 2019-Feb-24 | |
| 50 mi. | 5:39:42 | Kevin Setnes (46) | Pittsburgh, PA | 2000-Mar-25 |
| 100 km | 7:04:54 | Kevin Setnes (45) | Chavagnes, FR | 1999-May-15 |
| 100 mi. | 14:09:45 | Olivier LeBlond (46) | Cleveland, OH | 2018-Sep-22 |
| 12 hr. | 136,939 m | Kevin Setnes (47) | Sylvania, OH | 2001-Sep-15 |
| 24 hr. | 259,201 m | Olivier LeBlond (46) | Cleveland, OH | 2018-Sep-22 |
| 48 hr. | 379,821 m | Joe Fejes (49) | Balaton, HUN | 2015-May-06 |
| 421,939 m (p) | Olivier LeBlond (45) | Ft Lauderdale, FL | 2017-Nov-17 | |
| 144 hr. | 975,654 m | Joe Fejes (49) | Balaton, HUN | 2015-May-06 |
Women 45-49
| Event | Performance | Name | Location | Date |
| 1 mi. | 5:07 (f) | Sonja Friend-Uhl (47) | Washington, DC | 2018-Sep-30 |
| 5 km | 16:14 (f) | Linda Somers-Smith (48) | San Jose, CA | 2009-Nov-26 |
| 8 km | 27:45 | Carmen Troncoso (45) | New York, NY | 2005-Mar-26 |
| 27:12 (p) | Deena Kastor (46) | Chicago, IL | 2019-Mar-24 | |
| 10 km | 34:42 (f) | Trina Painter (47) | Boston, MA | 2012-Oct-08 |
| 12 km | 43:38 | Nancy Grayson (45) | Evansville, IN | 1995-May-13 |
| 15 km | 50:51 | Colleen De Reuck (45) | Jacksonville, FL | 2010-Mar-15 |
| 10 mi. | 57:09 | Linda Somers Smith (48) | Redding, CA | 2010-Mar-06 |
| 20 km | 1:09:42 | Linda Somers Smith (49) | San Jose, CA | 2010-Oct-03 |
| Half-Marathon | 1:13:32 | Linda Somers Smith (49) | San Jose, CA | 2010-Oct-03 |
| 25 km | 1:31:06 | Colleen De Reuck (47) | Grand Rapids, MI | 2011-May-14 |
| 30 km | 1:52:44 (f) | Linda Somers Smith (46) | Boston, MA | 2008-Apr-20 |
| Marathon | 2:30:51 | Colleen De Reuck (46) | Copenhagen, | 2010-May-23 |
| 50 km | 3:32:34 | Sandra Kiddy (47) | Tallahassee, FL | 1983-Dec-17 |
| 50 mi. | 6:09:09 | Sandra Kiddy (47) | Columbus, OH | 1984-Apr-01 |
| 100 km | 7:52:21 | Meghan Arbogast (47) | Tarquinial, ITA | 2008-Nov-08 |
| 100 mi. | 15:12:54 | Sandra Kiddy (49) | Tallahassee, FL | 1985-Dec-14 |
| 12 hr. | 133,881 m | Carolyn Smith (46) | Minneapolis, MN | 2011-Jun-04 |
| 24 hr. | 240,384 m | Connie Gardner (49) | Katowice, POL | 2012-Sep-09 |
| 48 hr. | 360,090 m | Sue Ellen Trapp (47) | Sacramento, CA | 1993-Nov-15 |
| 144 hr. | 501,712 m | Sally Middleton (45) | Sacramento, CA | 1995-Nov-11 |
| 514,990 m (p) | Ella Lombardi (45) | Augusta, NJ | 2018-May-20 | |
| 578,373 m (p) | Van Phan (48) | Phoenix, AZ | 2018-Dec-28 |