2018 Swimming Butterfly 50M Results
| Men 50-54 | |||
| 1 | Stephen Nichols | San Antonio, TX | 28.74 |
| 2 | Dennis Tesch | Salt Lake City, UT | 30.32 |
| 3 | Michael Tingstrom | Woodbridge, VA | 31.06 |
| 4 | Tyler Tait | Bluffdale, UT | 39.74 |
| 5 | Eric Johnson | Lindon, UT | 40.45 |
| Men 55-59 | |||
| 1 | Jeff Baird | Grand Junction, CO | 32.59 |
| 2 | Jeff Marchant | San Diego, CA | 34.57 |
| 3 | Neil Tracey | New Westminster, BC, Canada | 38.24 |
| 4 | Robert Olson | Helper, UT | 38.83 |
| Men 60-64 | |||
| 1 | Gary Abbate | Bridgeport, WV | 39.88 |
| 2 | Bruce Moffat | South Jordan, UT | 41.58 |
| 3 | PH Leong | Sebastopol, CA | 57.04 |
| Men 65-69 | |||
| 1 | Steve Heck | Prairieville, LA | 31.93 |
| 2 | Mark Modjeska | Prescott, AZ | 36.25 |
| 3 | Allen Larson | Portland, OR | 40.25 |
| 4 | Douglas Estrich | Stratham, NH | 46.71 |
| 5 | Randall Neff | Byron, GA | 58.34 |
| 6 | W. Kay Blackwell | Washington, UT | 1:00.21 |
| Men 70-74 | |||
| 1 | Dennis Meyring | American Fork, UT | 37.73 |
| 2 | Yaroslav Novitskiy | Moscow, Russia | 45.32 |
| 3 | Ron Smith | St. George, UT | 50.03 |
| Men 75-79 | |||
| 1 | Mike Freshley | Montrose, CA | 37.53 |
| 2 | Peter Andersen | San Diego, CA | 41.33 |
| 3 | John Bell | Malibu, CA | 57.44 |
| 4 | John Warnke | St. George, UT | 1:08.40 |
| Men 80-84 | |||
| 1 | Clarke Mitchell | Asheville, NC | 46.47 |
| 2 | Steve Barrett | Pittsboro, NC | 1:14.37 |
| Women 50-54 | |||
| 1 | Cindy Palmer | Stansbury Park, UT | 41.47 |
| 2 | Antje Kleemann | Gottesgabe, M/V, Germany | 42.53 |
| Women 55-59 | |||
| 1 | Mary Ann Cuvilier | St. Albert, AB, Canada | 42.21 |
| 2 | Bonnie Hilton | Herriman, UT | 50.67 |
| 3 | Patty Deters | Grand Junction, CO | 51.28 |
| 4 | Allison LaField | San Antonio, TX | 54.53 |
| Women 60-64 | |||
| 1 | Diana LaMar | Las Vegas, NV | 43.68 |
| 2 | Linda Larson | Fort Lauderdale, FL | 44.37 |
| 3 | Patricia Cericola | Austin, TX | 47.91 |
| 4 | Laura Lee Fairchild | St. George, UT | 51.41 |
| 5 | Blair Brockman | Tulsa, OK | 57.14 |
| Women 65-69 | |||
| 1 | Jan Miller | Gatesville, TX | 43.38 |
| 2 | Marianne Erickson | Prescott Valley, AZ | 47.35 |
| 3 | Peggy Stringer | Helena, MT | 48.40 |
| 4 | Eleine Greene | Sun City West, AZ | 1:01.47 |
| Women 70-74 | |||
| 1 | Daniela Barnea | Palo Alto, CA | 45.63 |
| 2 | Emma Jo Charron | Lutz, FL | 46.42 |
| 3 | Jane Kaiser | St Louis, MO | 1:04.28 |
| 4 | Bertha Bowen | Newdale, ID | 1:04.69 |
| Women 75-79 | |||
| 1 | Mary Ann Case | Sioux Falls, SD | 46.01 |
| 2 | Susan Meyers | Columbia City, IN | 49.43 |
| 3 | Jane Stewart | Elcho, WI | 1:02.67 |
| Women 80-84 | |||
| 1 | Katherine Kronwall | Bayfield, CO | 2:03.69 |
| Women 95-99 | |||
| 1 | Charlotte Sanddal | Helena, MT | 2:21.86 |