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USA Swimming Zone Teams
| Time | Date | Name | Team | Meet |
|---|---|---|---|---|
| 31.07 | Feb. 21, 2020 | Finn O'Connor | Bozeman Barracudas Swim Club | Montana Swimming Short Course Championships |
| 32.44 | March 1, 2019 | Mckade Vaira | Billings YMCA Seahawks | Montana Swimming Short Course Championships |
| 33.63 | Feb. 23, 2018 | Jonas Johnson | Billings Aquatic Club Stingrays | Montana Swimming Short Course Championships |
| 35.12 | March 8, 2014 | Otto Seagrave | Missoula Aquatic Club | Montana Swimming Short Course Championships |
| 40.20 | March 7, 2014 | Wesley Dennison | Missoula Aquatic Club | Montana Swimming Short Course Championships |
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