South Dakota Swimming Boys 10 & under - 50 M Back
These rankings show the swimmers' placement within their Local Swimming Committee (LSC).They are based on the swimmer's personal best, their current age category, and team; and are calculated from all the meets results.
For each swimmer, you can find the swimmer's ranking, their best time, the corresponding time standard, as well as how much faster the swimmer needs to be to reach the next level. The last columns provide information about the event they achieved this personal best.
Swimmer Rankings
| Ranking | Name | Time | Age | Standard | to Next Standard | Team | Date | Meet | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Rex Smith | 21.05 | 6 | AAAA Min | Dakota Riptide | 06/12/2026 | 2026 Splash Central Invitational | ||
| 2 | John Umiker | 36.00 | 10 | AAAA Min | Pierre Swim Team | 06/27/2026 | 2026 SD Summer Starter | ||
| 3 | Evan Morehouse | 37.57 | 10 | AAA Min | AAAA: 36.99 (+0.58s | 1.5%) | Brookings Swim Club | 06/06/2025 | 2025 BSC Summer Splash | |
| 4 | Gavin Mahrous | 38.26 | 9 | AAA Min | AAAA: 36.99 (+1.27s | 3.3%) | Unattached | 08/06/2026 | 2026 CZ 14 U Championship Meet MN | |
| 5 | Ashton VanKeulen | 40.42 | 10 | AA Min | AAA: 38.99 (+1.43s | 3.5%) | Sioux Falls Swim Team | 07/24/2026 | 2026 SD Long Course State Championship | |
| 6 | Lawson Kroon | 42.63 | 10 | A Min | AA: 41.09 (+1.54s | 3.6%) | Pierre Swim Team | 07/24/2026 | 2026 SD Long Course State Championship | |
| 7 | Bentley Frost | 44.44 | 10 | BB Min | A: 43.09 (+1.35s | 3.0%) | Pierre Swim Team | 07/24/2026 | 2026 SD Long Course State Championship | |
| 8 | Marcus Pass | 45.44 | 10 | BB Min | A: 43.09 (+2.35s | 5.2%) | Sioux Falls Swim Team | 06/26/2026 | 2026 SD SFST Summer Surge Classic | |
| 9 | Quentyn Boerboom | 45.81 | 10 | BB Min | A: 43.09 (+2.72s | 5.9%) | Southwest Swim Club | 06/13/2026 | VAST Splash | |
| 10 | Nolan Hunter | 46.50 | 10 | BB Min | A: 43.09 (+3.41s | 7.3%) | Rushmore Swim Team | 06/12/2026 | 2026 RST Coach Beth Rushmore Classic | |
| 11 | Jordy Walder | 46.78 | 10 | BB Min | A: 43.09 (+3.69s | 7.9%) | Dakota Riptide | 07/24/2026 | 2026 SD Long Course State Championship | |
| 12 | Hudson Rausch | 47.27 | 9 | BB Min | A: 43.09 (+4.18s | 8.8%) | Brookings Swim Club | 06/12/2026 | 2026 Splash Central Invitational | |
| 13 | Owen King | 49.24 | 10 | BB Min | A: 43.09 (+6.15s | 12.5%) | Rushmore Swim Team | 06/12/2026 | 2026 RST Coach Beth Rushmore Classic | |
| 14 | Ryker Mahowald | 49.27 | 10 | BB Min | A: 43.09 (+6.18s | 12.5%) | Vermillion Area Swim Team | 06/20/2025 | VAST SPLASH | |
| 15 | Samuel Hoftiezer | 49.50 | 8 | B Min | BB: 49.29 (+0.21s | 0.4%) | Watertown Area Swim Club | 06/19/2026 | 2026 SD Aberdeen Summer High Point Swim Meet | |
| 16 | Austin Headley | 49.81 | 10 | B Min | BB: 49.29 (+0.52s | 1.0%) | Sioux Falls Swim Team | 05/08/2026 | 2026 SD SFST Ready For Long Course Meet | |
| 17 | Owen Hoots | 50.25 | 9 | B Min | BB: 49.29 (+0.96s | 1.9%) | Watertown Area Swim Club | 06/26/2026 | 2026 SD SFST Summer Surge Classic | |
| 18 | David Peterson | 50.40 | 10 | B Min | BB: 49.29 (+1.11s | 2.2%) | Brookings Swim Club | 05/30/2026 | 2026 SD YST Summer Invite | |
| 19 | Adam Oorlog | 50.90 | 10 | B Min | BB: 49.29 (+1.61s | 3.2%) | Brookings Swim Club | 07/24/2026 | 2026 SD Long Course State Championship | |
| 20 | Adrian Winter | 51.03 | 9 | B Min | BB: 49.29 (+1.74s | 3.4%) | Miller Swim Club | 07/24/2026 | 2026 SD Long Course State Championship | |
| 21 | Layton Boots | 51.06 | 9 | B Min | BB: 49.29 (+1.77s | 3.5%) | Sioux Falls Swim Team | 07/24/2026 | 2026 SD Long Course State Championship | |
| 22 | Lukas Bergman | 51.09 | 9 | B Min | BB: 49.29 (+1.80s | 3.5%) | Rushmore Swim Team | 07/18/2025 | 2025 SD State Long Course Meet | |
| 23 | Gunnar Syverson | 52.23 | 9 | B Min | BB: 49.29 (+2.94s | 5.6%) | Sioux Falls Swim Team | 05/08/2026 | 2026 SD SFST Ready For Long Course Meet | |
| 24 | Jonathan Fosheim | 52.31 | 10 | B Min | BB: 49.29 (+3.02s | 5.8%) | Webster Swim Team | 07/24/2026 | 2026 SD Long Course State Championship | |
| 25 | Bennett Kessler | 52.49 | 10 | B Min | BB: 49.29 (+3.20s | 6.1%) | Brookings Swim Club | 06/19/2026 | 2026 SD Aberdeen Summer High Point Swim Meet | |
| 26 | Everett Ham | 52.56 | 10 | B Min | BB: 49.29 (+3.27s | 6.2%) | Sioux Falls Swim Team | 07/24/2026 | 2026 SD Long Course State Championship | |
| 27 | Oliver Rasmussen | 52.58 | 9 | B Min | BB: 49.29 (+3.29s | 6.3%) | Chamberlain Swim Team | 06/12/2026 | 2026 Splash Central Invitational | |
| 28 | Theodore Hall | 52.76 | 9 | B Min | BB: 49.29 (+3.47s | 6.6%) | Sioux Falls Swim Team | 07/24/2026 | 2026 SD Long Course State Championship | |
| 29 | Camden Evenson | 53.07 | 10 | B Min | BB: 49.29 (+3.78s | 7.1%) | Aberdeen Swim Club | 07/24/2026 | 2026 SD Long Course State Championship | |
| 30 | Maximus Newton | 53.52 | 8 | B Min | BB: 49.29 (+4.23s | 7.9%) | Aberdeen Swim Club | 06/19/2026 | 2026 SD Aberdeen Summer High Point Swim Meet | |
| 31 | Oscar Patton | 53.65 | 9 | B Min | BB: 49.29 (+4.36s | 8.1%) | Dakota Riptide | 06/27/2025 | 2025 SD SFST Sanford Invite | |
| 32 | Bentley Lenhart | 55.30 | 9 | B Min | BB: 49.29 (+6.01s | 10.9%) | Brookings Swim Club | 07/24/2026 | 2026 SD Long Course State Championship | |
| 33 | Daniel Mcconnell | 55.75 | 8 | B: 55.39 (+0.36s | 0.6%) | Rushmore Swim Team | 07/24/2026 | 2026 SD Long Course State Championship | ||
| 34 | Kellen Lambrechts | 56.30 | 9 | B: 55.39 (+0.91s | 1.6%) | Watertown Area Swim Club | 07/17/2026 | 2026 SD Long Course Rising Stars Swim Meet | ||
| 35 | Jasper Williams | 57.28 | 8 | B: 55.39 (+1.89s | 3.3%) | Pierre Swim Team | 07/24/2026 | 2026 SD Long Course State Championship | ||
| 36 | Henry Ludwig | 57.95 | 10 | B: 55.39 (+2.56s | 4.4%) | Pierre Swim Team | 06/27/2026 | 2026 SD Summer Starter | ||
| 37 | Flynn Erickson | 58.37 | 7 | B: 55.39 (+2.98s | 5.1%) | Watertown Area Swim Club | 07/24/2026 | 2026 SD Long Course State Championship | ||
| 38 | Reed Williams | 59.46 | 9 | B: 55.39 (+4.07s | 6.8%) | Black Hills Gold Swimming | 07/24/2026 | 2026 SD Long Course State Championship | ||
| 39 | Kase Walker | 59.50 | 8 | B: 55.39 (+4.11s | 6.9%) | Black Hills Gold Swimming | 06/27/2026 | 2026 SD Summer Starter | ||
| 40 | Andrii Paliienko | 59.71 | 10 | B: 55.39 (+4.32s | 7.2%) | Sioux Falls Swim Team | 06/05/2026 | 2026 SD BSC Tropical Summer Splash High Point | ||
| 41 | Hudson Lewis | 1:00.16 | 7 | B: 55.39 (+4.77s | 7.9%) | Rushmore Swim Team | 07/24/2026 | 2026 SD Long Course State Championship | ||
| 42 | Jonah Thorson | 1:00.46 | 8 | B: 55.39 (+5.07s | 8.4%) | Watertown Area Swim Club | 06/19/2026 | 2026 SD Aberdeen Summer High Point Swim Meet | ||
| 43 | Callen Thompson | 1:00.50 | 8 | B: 55.39 (+5.11s | 8.4%) | Pierre Swim Team | 07/24/2026 | 2026 SD Long Course State Championship | ||
| 44 | Owen Smith | 1:00.61 | 10 | B: 55.39 (+5.22s | 8.6%) | Sioux Falls Swim Team | 05/08/2026 | 2026 SD SFST Ready For Long Course Meet | ||
| 45 | Clayton Ulrich | 1:00.89 | 8 | B: 55.39 (+5.50s | 9.0%) | Sioux Falls Swim Team | 05/08/2026 | 2026 SD SFST Ready For Long Course Meet | ||
| 46 | Reed Davis | 1:01.00 | 8 | B: 55.39 (+5.61s | 9.2%) | Dakota Riptide | 07/24/2026 | 2026 SD Long Course State Championship | ||
| 47 | Jackson Bisson | 1:01.35 | 10 | B: 55.39 (+5.96s | 9.7%) | Brookings Swim Club | 06/05/2026 | 2026 SD BSC Tropical Summer Splash High Point | ||
| 48 | Tatum Staedtler | 1:01.43 | 8 | B: 55.39 (+6.04s | 9.8%) | Rushmore Swim Team | 07/24/2026 | 2026 SD Long Course State Championship | ||
| 49 | Greyson Fritz | 1:01.77 | 10 | B: 55.39 (+6.38s | 10.3%) | Watertown Area Swim Club | 05/09/2025 | 2025 SD SFST Ready For Long Course | ||
| 50 | Lincoln VanKeulen | 1:02.44 | 8 | B: 55.39 (+7.05s | 11.3%) | Sioux Falls Swim Team | 05/08/2026 | 2026 SD SFST Ready For Long Course Meet | ||
Disclaimer: This Website is not affiliated with USA Swimming or any Local Swim Committee. The rankings and times displayed on this website are unofficial and should not be viewed as such. We update our information regularly, but we cannot guarantee that the data is accurate, timely, or complete. The only purpose of this website is entertainment. None of the information here should be used for university admission applications.