2023 Swimming Freestyle 400M Results
| MEN | ||||
| 50-54 | ||||
| Gold | Christian Tujo | Fox Island, WA | 5:26.16 | |
| 55-59 | ||||
| Gold | Kenton Jones | San Diego, CA | 4:56.58 | |
| Silver | Brendan Hickey | Littlerock, CA | 5:38.64 | |
| Bronze | John Witham | Albuquerque, NM | 5:52.13 | |
| 60-64 | ||||
| Gold | Steven Schwartz | Sammamish, WA | 5:25.43 | |
| Silver | Paul Havick | Washington, UT | 6:03.13 | |
| Bronze | Ty Walker | Sun City West, AZ | 6:08.55 | |
| 4 | Chris Kammermann | Poquoson, VA | 6:39.68 | |
| 5 | Jay Allan | St. George, UT | 7:29.91 | |
| 6 | Charles Quade | Madison, WI | 7:34.14 | |
| 7 | Ian Caldwell | Calgary, AB, Canada | 7:34.28 | |
| 8 | Robb Schoular | Nanaimo, BC, Canada | 7:48.03 | |
| 9 | Mike Fox | Calgary, AB | 8:25.80 | |
| 65-69 | ||||
| Gold | Kim Bushong | San Juan Capistrano, CA | 5:55.22 | |
| Silver | Steve Hammond | Phoenix, AZ | 6:31.94 | |
| Bronze | Darrell Jett | Bonita, CA | 6:34.32 | |
| 4 | Jeffrey Morrison | Anacortes, WA | 6:47.18 | |
| 5 | Mark Angelos | Midway, UT | 7:33.75 | |
| 70-74 | ||||
| Gold | Mark Modjeska | Prescott, AZ | 5:17.80 | |
| Silver | Bruce Schroeder | Ivins, UT | 6:35.59 | |
| Bronze | Allen Larson | Portland, OR | 7:02.29 | |
| 4 | Tom Ruyle | Grapevine, TX | 7:21.71 | |
| 5 | Douglas Beyer | Grand Junction, CO | 8:01.86 | |
| 6 | Lawrence Block | Calgary, AB, Canada | 11:39.49 | |
| 75-79 | ||||
| Gold | Bryan Isaac | Salt Lake City, UT | 6:35.60 | |
| Silver | William Cerny | Orem, UT | 7:11.34 | |
| 80-84 | ||||
| Gold | John Disterdick | Windermere, FL | 9:07.49 | |
| 85-89 | ||||
| Gold | Neal Gillen | Potomac, MD | 10:54.35 | |
| 90-94 | ||||
| Gold | Richard Knight | Hamilton, MT | 9:05.76 | |
| WOMEN | ||||
| 50-54 | ||||
| Gold | Shelly Lynn | Lake Havasu City, AZ | 5:36.79 | |
| Silver | Emily OHalloran | Dallas, TX | 7:14.06 | |
| Bronze | Kristina Wirthlin | St. George, UT | 7:29.66 | |
| 4 | Rachelle Oliverson | Preston, ID | 8:14.13 | |
| 55-59 | ||||
| Gold | Heather Creel | West Jordan, UT | 6:11.87 | |
| 60-64 | ||||
| Gold | Stephanie Saucy | Las Vegas, NV | 5:18.40 | |
| Silver | Kathy Garnier | Littleton, CO | 5:34.67 | |
| Bronze | Suzanne Hay | Sun City West, AZ | 6:52.03 | |
| 4 | Marisa Grenier | El Paso, TX | 7:34.85 | |
| 5 | Beth Lory | Mendota Heights, MN | 8:43.62 | |
| 65-69 | ||||
| Gold | Cindy Gilmore | St. George, UT | 6:13.98 | |
| Silver | Melissa Russell | Edgewood, TX | 6:30.04 | |
| Bronze | Patricia Hood | Delanco, NJ | 6:39.37 | |
| 4 | Linda Bley | Sun City West, AZ | 7:00.93 | |
| 5 | Christine Clayton | Tucson, AZ | 8:24.58 | |
| 6 | Rita Paine | Nanaimo, BC, Canada | 8:32.45 | |
| 7 | Gay Neibaur | Newdale, ID | 9:00.87 | |
| 8 | Lynn Sandberg | Long Beach, MS | 9:03.12 | |
| 9 | Nancy Wong | Anacortes, WA | 9:29.78 | |
| 70-74 | ||||
| Gold | Judith Laney | Phoenix, AZ | 6:43.13 | |
| Silver | Carolyn Lyman | Salt Lake City, UT | 7:01.51 | |
| Bronze | Gini Baker | Sun City West, AZ | 7:38.57 | |
| 4 | Molly Myers | Knoxville, TN | 7:53.30 | |
| 5 | Anne Cerny | Orem, UT | 9:21.47 | |
| 6 | Susan Peters | Ridge, NY | 9:24.68 | |
| 75-79 | ||||
| Gold | Andrea Hunt | Bainbridge Island, WA | 7:24.70 | |
| Silver | Martha McDade | Houston, TX | 8:22.14 | |
| Bronze | Pat Lillehei | Minneapolis, MN | 12:52.41 | |
| 95-99 | ||||
| Gold | Elisabeth Brussel | New Westminster, BC, Canada | 12:18.94 | |