2021 Swimming Butterfly 50M Results
| MEN | |||
| 50-54 | |||
| 1 | Ronald Scott | Los Angeles, CA | 27.83 |
| 2 | Sterling Cabana | St. George, UT | 36.81 |
| 55-59 | |||
| 1 | Glen Chang | San Diego, CA | 39.75 |
| 60-64 | |||
| 1 | Robert Olson | Helper, UT | 37.03 |
| 2 | PH Leong | Hurricane, UT | 1:07.96 |
| 65-69 | |||
| 1 | Alexander Romanov | Moscow, Russia | 33.35 |
| 2 | Bernard Sauve | Sun City, AZ | 36.49 |
| 3 | Mark Modjeska | Prescott, AZ | 38.59 |
| 4 | Allen Larson | Portland, OR | 41.22 |
| 5 | Kim Shiner | Taylorsville, UT | 51.36 |
| 70-74 | |||
| 1 | William Balchunas | Placitas, NM | 34.74 |
| 2 | Gary Fine | Minneapolis, MN | 43.42 |
| 3 | John Mccord | Knoxville, TN | 44.81 |
| 4 | Alex Grether | Albuquerque, NM | 49.85 |
| 5 | Brad Eastridge | Green Valley, AZ | 55.58 |
| 6 | W. Kay Blackwell | Washington, UT | 1:06.37 |
| 75-79 | |||
| 1 | Bill Abbott | Grand Junction, CO | 38.18 |
| 2 | Peter Andersen | San Diego, CA | 41.85 |
| 3 | John Bell | Dania Beach, FL | 1:07.76 |
| 80-84 | |||
| 1 | Robert Stone | Las Vegas, NV | 1:10.75 |
| 90-94 | |||
| 1 | Frank Tanner | Oceanside, CA | 1:10.44 |
| WOMEN | |||
| 55-59 | |||
| 1 | Brigid Bunch | Prescott, AZ | 36.30 |
| 2 | Bonnie Hilton | Herriman, UT | 52.91 |
| 60-64 | |||
| 1 | Melissa Russell | Edgewood, TX | 45.55 |
| 2 | Jacqueline Thorpe | Milford, MI | 47.73 |
| 3 | Sandra Zerner | Prescott, AZ | 1:21.38 |
| 65-69 | |||
| 1 | Teresa McGiverin | Kansas City, MO | 44.56 |
| 2 | Mary-Chris Kay | Perrysburg, OH | 46.14 |
| 3 | Linda Bley | Sun City west, AZ | 52.94 |
| 4 | Marianne Erickson | Prescott Valley, AZ | 55.08 |
| 5 | Shannon Rhoda | Camp Verde, AZ | 55.29 |
| 6 | Blair Brockman | Tulsa, OK | 1:02.96 |
| 70-74 | |||
| 1 | Karen Loring | Sun City West, AZ | 50.24 |
| 2 | Judy Paukert | Ponte Vedra, FL | 59.83 |
| 3 | Susan Peters | Queens Village, NY | 1:09.95 |
| 75-79 | |||
| 1 | Daniela Barnea | Palo Alto, CA | 48.81 |
| 2 | Ann Vitt | New Braunfels, TX | 59.77 |