Kiersten Mittelstedt

Age: 12 years old
Age Category: 11-12
Team: Dakota Riptide | South Dakota Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Dakota Riptide South Dakota Swimming Central Zone USA
Free 50 Y 31.38 12 01/03/2026 BB A: 29.29 (+2.09s | 6.7%) 5 35 692 1,000+
Free 100 Y 1:10.95 12 11/08/2025 B BB: 1:09.39 (+1.56s | 2.2%) 2 29 736 1,000+
50 Free
33.41
33.41
100 Free
37.54
1:10.95
100 Free
1:10.95
Free 200 Y 2:37.40 12 01/03/2026 B BB: 2:30.89 (+6.51s | 4.1%) 2 33 597 1,000+
50 Free
34.30
34.30
100 Free
39.22
1:13.52
100 Free
1:13.52
150 Free
42.59
1:56.11
200 Free
41.29
2:37.40
100 Free
1:23.88
Back 50 Y 37.54 12 11/08/2025 B BB: 35.99 (+1.55s | 4.1%) 4 42 655 1,000+
Back 100 Y 1:26.46 12 11/08/2025 B BB: 1:19.79 (+6.67s | 7.7%) 3 46 824 1,000+
50 Back
41.92
41.92
100 Back
44.54
1:26.46
100 Back
1:26.46
Breast 50 Y 40.80 12 01/23/2026 BB A: 37.69 (+3.11s | 7.6%) 2 17 367 1,000+
Breast 100 Y 1:32.74 11 02/21/2025 B BB: 1:29.29 (+3.45s | 3.7%) 2 22 520 1,000+
50 Breast
43.24
43.24
100 Breast
49.50
1:32.74
100 Breast
1:32.74
Fly 50 Y 38.19 12 01/03/2026 B: 36.89 (+1.30s | 3.4%) 3 29 697 1,000+
IM 100 Y 1:21.82 12 01/03/2026 B BB: 1:19.09 (+2.73s | 3.3%) 2 33 600 1,000+
25 IM
16.98
16.98
50 IM
21.63
38.61
50 IM
38.61
75 IM
24.41
1:03.02
100 IM
18.80
1:21.82
50 IM
43.21

Long course distance

Event Time Age Date Standard Next Standard Dakota Riptide South Dakota Swimming Central Zone USA
Free 50 M 36.20 12 06/20/2025 B BB: 35.89 (+0.31s | 0.9%) 2 23 313 1,000+
Free 100 M 1:20.76 12 06/20/2025 B BB: 1:19.49 (+1.27s | 1.6%) 2 17 283 1,000+
50 Free
39.41
39.41
100 Free
41.35
1:20.76
100 Free
1:20.76
Free 200 M 3:04.60 12 06/20/2025 B BB: 2:53.09 (+11.51s | 6.2%) 2 21 277 1,000+
50 Free
39.11
39.11
100 Free
46.40
1:25.51
100 Free
1:25.51
150 Free
50.89
2:16.40
200 Free
48.20
3:04.60
100 Free
1:39.09
Back 50 M 47.21 12 06/20/2025 B: 44.79 (+2.42s | 5.1%) 4 44 446 1,000+
Back 100 M 1:56.41 11 06/21/2024 B: 1:40.59 (+15.82s | 13.6%) 4 65 551 1,000+
50 Back
53.91
53.91
100 Back
1:02.50
1:56.41
100 Back
1:56.41
Breast 50 M 48.56 12 06/20/2025 B BB: 46.19 (+2.37s | 4.9%) 2 16 208 1,000+
Breast 100 M 1:51.85 12 06/20/2025 B: 1:50.39 (+1.46s | 1.3%) 2 19 264 1,000+
50 Breast
53.11
53.11
100 Breast
58.74
1:51.85
100 Breast
1:51.85
Fly 50 M 45.72 12 06/20/2025 B: 41.79 (+3.93s | 8.6%) 2 22 328 1,000+
IM 200 M 3:43.75 11 06/21/2024 B: 3:30.59 (+13.16s | 5.9%) 2 31 312 1,000+

Above are the fastest times that Kiersten Mittelstedt has achieved in her swimming career. For each event, you can find Kiersten's best time, the corresponding time standard, as well as how much faster Kiersten needs to be to reach the next level. The last columns provide Kiersten rankings at the team and LSC levels. These rankings are based on the Kiersten's personal best, her current age category, and team; and are calculated from all the meets results.

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.