2018 Swimming Butterfly 100M Results
| Men 50-54 | |||
| 1 | Stephen Nichols | San Antonio, TX | 1:06.15 |
| 2 | Eric Johnson | Lindon, UT | 1:35.28 |
| Men 55-59 | |||
| 1 | Robert Olson | Helper, UT | 1:45.89 |
| Men 60-64 | |||
| 1 | Gary Abbate | Bridgeport, WV | 1:40.01 |
| 2 | Bruce Moffat | South Jordan, UT | 1:49.97 |
| 3 | PH Leong | Sebastopol, CA | 2:27.75 |
| Men 65-69 | |||
| 1 | Mark Modjeska | Prescott, AZ | 1:16.81 |
| 2 | Allen Larson | Portland, OR | 1:41.77 |
| 3 | Randall Neff | Byron, GA | 2:46.34 |
| Men 70-74 | |||
| 1 | Fred Baird | West Jordan, UT | 1:18.29 |
| 2 | Yaroslav Novitskiy | Moscow, Russia | 1:50.95 |
| Men 75-79 | |||
| 1 | Tony Ralphs | Chula Vista, CA | 1:57.57 |
| 2 | John Bell | Malibu, CA | 2:30.09 |
| Women 50-54 | |||
| 1 | Mary Ann Cuvilier | St. Albert, AB, Canada | 1:42.60 |
| 2 | Allison LaField | San Antonio, TX | 2:14.34 |
| Women 60-64 | |||
| 1 | Diana LaMar | Las Vegas, NV | 1:41.78 |
| 2 | Helen Morley | Calgary, AB, Canada | 1:42.18 |
| 3 | Patricia Cericola | Austin, TX | 1:58.75 |
| 4 | Blair Brockman | Tulsa, OK | 2:18.16 |
| Women 65-69 | |||
| 1 | Jan Miller | Gatesville, TX | 1:44.01 |
| 2 | Marianne Erickson | Prescott Valley, AZ | 1:55.04 |
| 3 | Peggy Stringer | Helena, MT | 1:59.87 |
| 4 | Kathleen Tittle | The Villages, FL | 2:16.76 |
| Women 70-74 | |||
| 1 | Daniela Barnea | Palo Alto, CA | 1:50.52 |
| 2 | Jane Kaiser | St Louis, MO | 2:37.26 |
| Women 75-79 | |||
| 1 | Susan Meyers | Columbia City, IN | 1:56.73 |
| 2 | Mary Ann Case | Sioux Falls, SD | 1:59.65 |
| Women 80-84 | |||
| 1 | Katherine Kronwall | Bayfield, CO | 6:19.71 |