As of 2024 Backstroke Records
| * NATIONAL record | ||||
| 50 METER BACKSTROKE | **WORLD record | |||
| Men | Name | City/State | Mark | Year |
| 50-54 | John Landreth | Crested Butte, CO | 29.40 | 2022 |
| 55-59 | Donald Graham | Los Angeles, CA | 31.40 | 2012 |
| 60-64 | Philipp Djang | Las Cruces, NM | 30.08 | 2017 |
| 65-69 | Philipp Djang | Las Cruces, NM | 31.61 | 2019 |
| 70-74 | Philipp Djang | Dona Ana, NM | 33.60 | 2024 |
| 75-79 | Steve Heck | Prairieville, LA | 36.81 | 2024 |
| 80-84 | Clarke Mitchell | Asheville, NC | 42.13 | 2016 |
| 85-89 | Clarke Mitchell | Overton, NV | 43.75 | 2019 |
| 90-94 | Steve Carlson | Davis, CA | 56.58 | 2009 |
| 95-99 | Bert Singer | Klamath Falls, OR | 1:12.32 | 2014 |
| Women | Name | City/State | Mark | Year |
| 50-54 | Susan Ingraham | San Antonio, TX | 36.41 | 2013 |
| 55-59 | Brigid Bunch | Prescott, AZ | 35.76 | 2018 |
| 60-64 | Karlyn Pipes | Kailua Kona, HI | 34.34 | 2024 |
| 65-69 | Penny Noyes | Bowling Green, KY | 35.97 | 2022 |
| 70-74 | Gynt Clifford | Sun City West, AZ | 45.60 | 2012 |
| 75-79 | Emma Jo Charron | Lutz, FL | 49.09 | 2024 |
| 80-84 | Madeleine Sévigny Lanthier | Labelle, QC, Canada | 53.09 | 2024 |
| 85-89 | Gynt Clifford | Sun City West, AZ | 54.95 | 2023 |
| 90-94 | Nan Bohl | Olathe, KS | 1:16.60 | 2019 |
| 95-99 | Charlotte Sanddal | Helena, MT | 1:46.66 | 2018 |
| 100 METER BACKSTROKE | ||||
| Men | Name | City/State | Mark | Year |
| 50-54 | Matthew Nance | Santa Monica, CA | 1:03.11 | 2016 |
| 55-59 | Kurt Dickson | Manhattan, KS | 1:05.06 | 2022 |
| 60-64 | Philipp Djang | Las Cruces, NM | 1:08.70 | 2017 |
| 65-69 | Philipp Djang | Las Cruces, NM | 1:08.55 | 2019 |
| 70-74 | Philipp Djang | Dona Ana, NM | 1:13.95 | 2024 |
| 75-79 | Steve Heck | Prairieville, LA | 1:22.09 | 2024 |
| 80-84 | Horace Knowlton | Taylorsville, UT | 1:36.10 | 2009 |
| 85-89 | Clarke Mitchell | Overton, NV | 1:37.80 | 2019 |
| 90-94 | Woody Bowersock | Laguna Woods, CA | 2:07.70 | 2003 |
| 95-99 | Bill Reeder | Sparks, NV | 4:27.89 | 2005 |
| Women | Name | City/State | Mark | Year |
| 50-54 | Susan Ingraham | San Antonio, TX | 1:18.92 | 2013 |
| 55-59 | Brigid Bunch | Prescott, AZ | 1:16.33 | 2018 |
| 60-64 | Stephanie Saucy | Las Vegas, NV | 1:16.97 | 2024 |
| 65-69 | Susan Ingraham | San Antonio, TX | 1:26.68 | 2024 |
| 70-74 | Carolyn Lyman | Salt Lake City, UT | 1:45.85 | 2024 |
| 75-79 | Beverly Montrella | Mission Viejo, CA | 1:44.46 | 2021 |
| 80-84 | Madeleine Sévigny Lanthier | Labelle, QC, Canada | 1:59.93 | 2024 |
| 85-89 | Gynt Clifford | Sun City West, AZ | 2:02.67 | 2023 |
| 90-94 | Elisabeth Brussel | New Westminster, BC, Canada | 2:49.28 | 2016 |
| 95-99 | Charlotte Sanddal | Helena, MT | 3:24.10 | 2017 |
| 100+ | Charlotte Sanddal | Helena, MT | 3:54.19 | 2022 |
| 200 METER BACKSTROKE | ||||
| Men | Name | City/State | Mark | Year |
| 50-54 | Matthew Nance | Santa Monica, CA | 2:15.66 | 2016 |
| 55-59 | Kurt Dickson | Manhattan, KS | 2:17.21 | 2022 |
| 60-64 | Steve Heck | Katy, TX | 2:37.13 | 2010 |
| 65-69 | Philipp Djang | Las Cruces, NM | 2:37.90 | 2019 |
| 70-74 | Steve Heck | Prairieville, LA | 2:54.76 | 2019 |
| 75-79 | Steve Heck | Prairieville, LA | 3:03.32 | 2024 |
| 80-84 | Horace Knowlton | Taylorsville, UT | 3:34.86 | 2010 |
| 85-89 | Clarke Mitchell | Overton, NV | 3:49.41 | 2019 |
| 90-94 | Richard Knight | Hamilton, MT | 4:53.46 | 2023 |
| 95-99 | Bill Reeder | Sparks, NV | 9:31.2 | 2005 |
| Women | Name | City/State | Mark | Year |
| 50-54 | Susan Ingraham | San Antonio, TX | 2:50.18 | 2012 |
| 55-59 | Brigid Bunch | Prescott, AZ | 2:42.58 | 2018 |
| 60-64 | Stephanie Saucy | Las Vegas, NV | 2:48.41 | 2023 |
| 65-69 | Penny Noyes | Bowling Green, KY | 2:57.20 | 2022 |
| 70-74 | Carolyn Lyman | Salt Lake City, UT | 3:43.03 | 2022 |
| 75-79 | Andrea Hunt | Bainbridge Island, WA | 3:50.84 | 2023 |
| 80-84 | Lois Kivi Nochman | Huntington Woods, MI | 4:30.66 | 2004 |
| 85-89 | Gynt Clifford | Sun City West, AZ | 4:23.24 | 2023 |
| 90-94 | Elisabeth Brussel | New Westminster, BC, Canada | 5:54.06 | 2016 |
| 95-99 | Charlotte Sanddal | Helena, MT | 7:24.95 | 2017 |
| 100+ | Charlotte Sanddal | Helena, MT | 8:19.28 | 2022 |