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Margaret Kieffer

Age: 15 years old
Age Category: 15-16
Team: Lancaster Aquatic Club | Middle Atlantic Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Lancaster Aquatic Club Middle Atlantic Swimming Eastern Zone USA

Long course distance

Event Time Age Date Standard Next Standard Lancaster Aquatic Club Middle Atlantic Swimming Eastern Zone USA
Free 50 M 29.90 15 01/03/2026 A AA: 29.59 (+0.31s | 1.0%) 1 13 353 1,000+
Free 100 M 1:06.22 Analysis 15 05/15/2026 A AA: 1:04.39 (+1.83s | 2.8%) 2 16 409 1,000+
50 Free
31.91
31.91
100 Free
34.31
1:06.22
100 Free
1:06.22
Free 200 M 2:27.78 Analysis 15 05/15/2026 BB A: 2:25.09 (+2.69s | 1.8%) 2 9 450 1,000+
50 Free
33.18
33.18
100 Free
38.58
1:11.76
100 Free
1:11.76
150 Free
37.62
1:49.38
200 Free
38.40
2:27.78
100 Free
1:16.02
Free 400 M 5:21.32 Analysis 15 05/15/2026 BB A: 5:04.49 (+16.83s | 5.2%) 3 7 400 1,000+
Back 100 M 1:17.14 Analysis 15 05/15/2026 BB A: 1:14.49 (+2.65s | 3.4%) 1 10 364 1,000+
50 Back
38.13
38.13
100 Back
39.01
1:17.14
100 Back
1:17.14
Back 200 M 2:50.28 Analysis 15 05/15/2026 BB A: 2:40.09 (+10.19s | 6.0%) 1 7 375 1,000+
50 Back
40.55
40.55
100 Back
42.42
1:22.97
100 Back
1:22.97
150 Back
44.85
2:07.82
200 Back
42.46
2:50.28
100 Back
1:27.31
Breast 100 M 1:34.17 Analysis 15 01/03/2026 B BB: 1:31.59 (+2.58s | 2.7%) 3 13 475 1,000+
50 Breast
46.25
46.25
100 Breast
47.92
1:34.17
100 Breast
1:34.17
Fly 100 M 1:12.01 Analysis 15 05/15/2026 A AA: 1:09.29 (+2.72s | 3.8%) 1 10 231 1,000+
50 Fly
33.96
33.96
100 Fly
38.05
1:12.01
100 Fly
1:12.01
IM 200 M 2:48.62 Analysis 15 05/15/2026 BB A: 2:43.89 (+4.73s | 2.8%) 2 10 405 1,000+
50 Fly
34.74
34.74
100 Back
42.62
1:17.36
100 IM
1:17.36
150 Breast
53.13
2:10.49
200 Free
38.13
2:48.62
100 IM
1:31.26

Above are the fastest times that Margaret Kieffer has achieved in her swimming career. For each event, you can find Margaret's best time, the corresponding time standard, as well as how much faster Margaret needs to be to reach the next level. The last columns provide Margaret rankings at the team and LSC levels. These rankings are based on the Margaret'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.