2018 Swimming Freestyle 800M Results
| Men 50-54 | |||
| 1 | Kurt Dickson | Glendale, AZ | 9:13.71 |
| 2 | Mike Roll | Medicine Hat, AB, Canada | 13:25.13 |
| 3 | Gordon Wright | Salt Lake City, UT | 14:21.01 |
| Men 55-59 | |||
| 1 | Jeff Shmoorkoff | Edmonton, AB, Canada | 16:13.37 |
| Men 60-64 | |||
| 1 | Hobe Horton | Calgary, AB, Canada | 11:10.59 |
| 2 | Robert Mitchell | Lake Forest, CA | 11:52.04 |
| 3 | Daniel Underbrink | Kirkland, WA | 12:36.26 |
| 4 | Albertus Rinke | Bullhead City, AZ | 12:50.25 |
| 5 | Kevin Johnson | South Jordan, UT | 15:00.89 |
| 6 | Rick Grant | Reseda, CA | 16:20.66 |
| 7 | Lane Henderson | Riverton, UT | 22:27.59 |
| Men 65-69 | |||
| 1 | Mark Modjeska | Prescott, AZ | 10:44.67 |
| 2 | Allen Larson | Portland, OR | 12:53.75 |
| 3 | Bruce Schroeder | Ivins, UT | 13:55.51 |
| 4 | Sander Mooy | Bountiful, UT | 17:21.84 |
| 5 | Phil Neibaur | Newdale, ID | 19:10.58 |
| Men 70-74 | |||
| 1 | Vadym Kutsenko | Kharkiv, Ukraine | 12:41.39 |
| 2 | Yaroslav Novitskiy | Moscow, Russia | 14:19.65 |
| Men 75-79 | |||
| 1 | Bill Dawson | San Carlos, CA | 13:46.19 |
| 2 | George Carey | Laguna Beach, CA | 14:18.06 |
| 3 | Deacon John Crooks | Kansas City, MO | 22:07.74 |
| Men 80-84 | |||
| 1 | Laurence Houlgate | San Luis Obispo, CA | 17:54.10 |
| Women 50-54 | |||
| 1 | Wendy Baron | Pocatello, ID | 14:16.91 |
| 2 | Jamie Knoph | Greeley, CO | 14:33.64 |
| 3 | Barbara Nelson | Idaho Falls, ID | 16:22.01 |
| Women 55-59 | |||
| 1 | Michele David Roll | Medicine Hat, AB, Canada | 13:21.63 |
| 2 | Mary Ann Cuvilier | St. Albert, AB, Canada | 14:02.81 |
| 3 | Sandra Zerner | Prescott, AZ | 20:32.07 |
| 4 | Linda Wright | St. George, UT | 23:31.65 |
| Women 60-64 | |||
| 1 | Helen Morley | Calgary, AB, Canada | 12:58.94 |
| 2 | Blair Brockman | Tulsa, OK | 17:38.38 |
| 3 | Connie Larson | Centerville, UT | 20:44.05 |
| Women 65-69 | |||
| 1 | Mimi Willard | Kentfield, CA | 13:19.56 |
| 2 | Carolyn Lyman | Salt Lake City, UT | 13:21.06 |
| 3 | Peggy Stringer | Helena, MT | 13:56.00 |
| 4 | Kathy Bodmer | Sun City West, AZ | 14:36.75 |
| 5 | Gloria Lambertz | Helena, MT | 15:38.59 |
| Women 70-74 | |||
| 1 | Martha McDade | Houston, TX | 16:01.31 |
| 2 | Pat Lillehei | Minneapolis, MN | 23:48.56 |
| Women 75-79 | |||
| 1 | Lynne H. Lund | St. George, UT | 15:21.03 |
| 2 | Ann Hunt | Ann Arbor, MI | 19:57.98 |
| Women 80-84 | |||
| 1 | Ruth Sluder | Cedar City, UT | 24:46.64 |