South Dakota Swimming Boys 10 & under - 50 M Breast
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 | Lawson Kroon | 46.80 | 10 | A Min | AA: 45.79 (+1.01s | 2.2%) | Pierre Swim Team | 07/24/2026 | 2026 SD Long Course State Championship | |
| 2 | Marcus Pass | 47.11 | 10 | A Min | AA: 45.79 (+1.32s | 2.8%) | Sioux Falls Swim Team | 07/24/2026 | 2026 SD Long Course State Championship | |
| 3 | Gavin Mahrous | 47.49 | 9 | A Min | AA: 45.79 (+1.70s | 3.6%) | Sioux Falls Swim Team | 05/30/2026 | 2026 MN RSC Summer Jam | |
| 4 | Quentyn Boerboom | 51.57 | 10 | BB Min | A: 47.89 (+3.68s | 7.1%) | Southwest Swim Club | 06/19/2026 | 2026 SD Aberdeen Summer High Point Swim Meet | |
| 5 | Lukas Bergman | 52.23 | 9 | BB Min | A: 47.89 (+4.34s | 8.3%) | Rushmore Swim Team | 07/18/2025 | 2025 SD State Long Course Meet | |
| 6 | Ashton VanKeulen | 52.49 | 10 | BB Min | A: 47.89 (+4.60s | 8.8%) | Sioux Falls Swim Team | 06/26/2026 | 2026 SD SFST Summer Surge Classic | |
| 7 | John Umiker | 53.16 | 10 | BB Min | A: 47.89 (+5.27s | 9.9%) | Pierre Swim Team | 07/24/2026 | 2026 SD Long Course State Championship | |
| 8 | Nolan Hunter | 53.34 | 10 | BB Min | A: 47.89 (+5.45s | 10.2%) | Rushmore Swim Team | 07/24/2026 | 2026 SD Long Course State Championship | |
| 9 | Jackson Bisson | 53.37 | 10 | BB Min | A: 47.89 (+5.48s | 10.3%) | Brookings Swim Club | 05/08/2026 | 2026 SD SFST Ready For Long Course Meet | |
| 10 | Owen Hoots | 53.76 | 9 | BB Min | A: 47.89 (+5.87s | 10.9%) | Watertown Area Swim Club | 07/24/2026 | 2026 SD Long Course State Championship | |
| 11 | Jordy Walder | 54.05 | 10 | BB Min | A: 47.89 (+6.16s | 11.4%) | Dakota Riptide | 07/24/2026 | 2026 SD Long Course State Championship | |
| 12 | Ryker Mahowald | 54.45 | 10 | B Min | BB: 54.39 (+0.06s | 0.1%) | Vermillion Area Swim Team | 06/20/2025 | VAST SPLASH | |
| 13 | Evan Morehouse | 54.68 | 10 | B Min | BB: 54.39 (+0.29s | 0.5%) | Brookings Swim Club | 07/24/2026 | 2026 SD Long Course State Championship | |
| 14 | Oliver Rasmussen | 55.29 | 9 | B Min | BB: 54.39 (+0.90s | 1.6%) | Chamberlain Swim Team | 07/17/2026 | 2026 SD Long Course Rising Stars Swim Meet | |
| 15 | Owen King | 56.56 | 10 | B Min | BB: 54.39 (+2.17s | 3.8%) | Rushmore Swim Team | 07/24/2026 | 2026 SD Long Course State Championship | |
| 16 | Maximus Newton | 57.50 | 8 | B Min | BB: 54.39 (+3.11s | 5.4%) | Aberdeen Swim Club | 07/24/2026 | 2026 SD Long Course State Championship | |
| 17 | Austin Headley | 57.96 | 10 | B Min | BB: 54.39 (+3.57s | 6.2%) | Sioux Falls Swim Team | 05/08/2026 | 2026 SD SFST Ready For Long Course Meet | |
| 18 | Jason Johnston | 59.08 | 9 | B Min | BB: 54.39 (+4.69s | 7.9%) | Aberdeen Swim Club | 05/09/2025 | 2025 SD SFST Ready For Long Course | |
| 19 | Jonathan Fosheim | 1:00.20 | 10 | B Min | BB: 54.39 (+5.81s | 9.7%) | Webster Swim Team | 07/17/2026 | 2026 SD Long Course Rising Stars Swim Meet | |
| 20 | Reed Williams | 1:01.51 | 9 | B: 1:00.89 (+0.62s | 1.0%) | Black Hills Gold Swimming | 07/24/2026 | 2026 SD Long Course State Championship | ||
| 21 | Bentley Frost | 1:01.79 | 10 | B: 1:00.89 (+0.90s | 1.5%) | Pierre Swim Team | 06/14/2024 | 2024 SD Aberdeen Summer High Point Swim Meet | ||
| 22 | Layton Boots | 1:01.87 | 9 | B: 1:00.89 (+0.98s | 1.6%) | Sioux Falls Swim Team | 06/26/2026 | 2026 SD SFST Summer Surge Classic | ||
| 23 | Bennett Kessler | 1:03.71 | 10 | B: 1:00.89 (+2.82s | 4.4%) | Brookings Swim Club | 06/27/2026 | 2026 SD Summer Starter | ||
| 24 | Everett Ham | 1:05.00 | 10 | B: 1:00.89 (+4.11s | 6.3%) | Sioux Falls Swim Team | 07/17/2026 | 2026 SD Long Course Rising Stars Swim Meet | ||
| 25 | Kase Walker | 1:05.96 | 8 | B: 1:00.89 (+5.07s | 7.7%) | Black Hills Gold Swimming | 07/24/2026 | 2026 SD Long Course State Championship | ||
| 26 | Gunnar Syverson | 1:06.03 | 9 | B: 1:00.89 (+5.14s | 7.8%) | Sioux Falls Swim Team | 06/26/2026 | 2026 SD SFST Summer Surge Classic | ||
| 27 | Jasper Williams | 1:06.03 | 8 | B: 1:00.89 (+5.14s | 7.8%) | Pierre Swim Team | 06/27/2026 | 2026 SD Summer Starter | ||
| 28 | Alex Chambers | 1:06.92 | 10 | B: 1:00.89 (+6.03s | 9.0%) | Brookings Swim Club | 06/05/2026 | 2026 SD BSC Tropical Summer Splash High Point | ||
| 29 | Kellen Lambrechts | 1:07.37 | 9 | B: 1:00.89 (+6.48s | 9.6%) | Watertown Area Swim Club | 07/17/2026 | 2026 SD Long Course Rising Stars Swim Meet | ||
| 30 | David Peterson | 1:09.96 | 10 | B: 1:00.89 (+9.07s | 13.0%) | Brookings Swim Club | 07/17/2026 | 2026 SD Long Course Rising Stars Swim Meet | ||
| 31 | Owen Smith | 1:10.14 | 10 | B: 1:00.89 (+9.25s | 13.2%) | Sioux Falls Swim Team | 06/05/2026 | 2026 SD BSC Tropical Summer Splash High Point | ||
| 32 | Callen Thompson | 1:10.15 | 8 | B: 1:00.89 (+9.26s | 13.2%) | Pierre Swim Team | 06/27/2026 | 2026 SD Summer Starter | ||
| 33 | Samuel Swanson | 1:12.01 | 8 | B: 1:00.89 (+11.12s | 15.4%) | Chamberlain Swim Team | 06/27/2026 | 2026 SD Summer Starter | ||
| 34 | Daniel Mcconnell | 1:12.66 | 8 | B: 1:00.89 (+11.77s | 16.2%) | Rushmore Swim Team | 07/24/2026 | 2026 SD Long Course State Championship | ||
| 35 | Aleksandr Bevier | 1:13.97 | 8 | B: 1:00.89 (+13.08s | 17.7%) | Black Hills Gold Swimming | 06/12/2026 | 2026 RST Coach Beth Rushmore Classic | ||
| 36 | Henry Whalen | 1:14.10 | 9 | B: 1:00.89 (+13.21s | 17.8%) | Sioux Falls Swim Team | 07/18/2025 | 2025 SD State Long Course Meet | ||
| 37 | Hudson Rausch | 1:14.32 | 9 | B: 1:00.89 (+13.43s | 18.1%) | Brookings Swim Club | 07/11/2025 | 2025 SD Long Course State B Swim Meet | ||
| 38 | Oakley Lewis | 1:14.51 | 7 | B: 1:00.89 (+13.62s | 18.3%) | Black Hills Gold Swimming | 07/24/2026 | 2026 SD Long Course State Championship | ||
| 39 | Theodore Hall | 1:14.56 | 9 | B: 1:00.89 (+13.67s | 18.3%) | Sioux Falls Swim Team | 06/26/2026 | 2026 SD SFST Summer Surge Classic | ||
| 40 | Hudson Lewis | 1:14.79 | 7 | B: 1:00.89 (+13.90s | 18.6%) | Rushmore Swim Team | 07/24/2026 | 2026 SD Long Course State Championship | ||
| 41 | Lincoln VanKeulen | 1:15.00 | 8 | B: 1:00.89 (+14.11s | 18.8%) | Sioux Falls Swim Team | 07/24/2026 | 2026 SD Long Course State Championship | ||
| 42 | Jack Murdy | 1:15.46 | 8 | B: 1:00.89 (+14.57s | 19.3%) | Aberdeen Swim Club | 07/24/2026 | 2026 SD Long Course State Championship | ||
| 43 | Camden Evenson | 1:16.88 | 10 | B: 1:00.89 (+15.99s | 20.8%) | Aberdeen Swim Club | 06/19/2026 | 2026 SD Aberdeen Summer High Point Swim Meet | ||
| 44 | Emiliano Reyes | 1:18.10 | 9 | B: 1:00.89 (+17.21s | 22.0%) | Sioux Falls Swim Team | 05/08/2026 | 2026 SD SFST Ready For Long Course Meet | ||
| 45 | Adrian Winter | 1:18.13 | 9 | B: 1:00.89 (+17.24s | 22.1%) | Miller Swim Club | 07/17/2026 | 2026 SD Long Course Rising Stars Swim Meet | ||
| 46 | Clayton Ulrich | 1:19.53 | 8 | B: 1:00.89 (+18.64s | 23.4%) | Sioux Falls Swim Team | 05/08/2026 | 2026 SD SFST Ready For Long Course Meet | ||
| 47 | Wilder Shippee | 1:21.62 | 7 | B: 1:00.89 (+20.73s | 25.4%) | Black Hills Gold Swimming | 06/12/2026 | 2026 RST Coach Beth Rushmore Classic | ||
| 48 | Cyrus Iburg | 1:24.83 | 8 | B: 1:00.89 (+23.94s | 28.2%) | Dakota Riptide | 06/12/2026 | 2026 Splash Central Invitational | ||
| 49 | Jonah Thorson | 1:26.21 | 8 | B: 1:00.89 (+25.32s | 29.4%) | Watertown Area Swim Club | 06/19/2026 | 2026 SD Aberdeen Summer High Point Swim Meet | ||
| 50 | Samuel Hoftiezer | 1:27.36 | 8 | B: 1:00.89 (+26.47s | 30.3%) | Watertown Area Swim Club | 07/18/2025 | 2025 SD State 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.