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Madeleine Jemison

Age: 10 years old
Age Category: 10 & under
Team: Mason Makos Swim Team | Potomac Valley Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Mason Makos Swim Team Potomac Valley Swimming Eastern Zone USA
Free 50 Y 36.79 10 01/10/2026 B BB: 35.99 (+0.80s | 2.2%) 28 403 1,000+ 1,000+
Free 100 Y 1:24.04 Analysis 10 11/21/2025 B BB: 1:21.09 (+2.95s | 3.5%) 19 351 1,000+ 1,000+
50 Free
38.48
38.48
100 Free
45.56
1:24.04
100 Free
1:24.04
Free 200 Y 3:11.69 Analysis 10 11/08/2025 B BB: 3:00.59 (+11.10s | 5.8%) 11 273 1,000+ 1,000+
50 Free
41.77
41.77
100 Free
48.67
1:30.44
100 Free
1:30.44
150 Free
50.86
2:21.30
200 Free
50.39
3:11.69
100 Free
1:41.25
Back 50 Y 41.93 10 11/21/2025 BB A: 37.99 (+3.94s | 9.4%) 21 295 1,000+ 1,000+
Back 100 Y 1:31.79 Analysis 10 11/21/2025 BB A: 1:22.29 (+9.50s | 10.3%) 19 247 934 1,000+
50 Back
44.53
44.53
100 Back
47.26
1:31.79
100 Back
1:31.79
Back 200 Y 3:21.04 Analysis 10 03/21/2026 6 43 112 240
150 Back
2:29.39
2:29.39
200 Back
51.65
3:21.04
100 Back
3:21.04
Breast 50 Y 47.59 10 03/21/2026 BB A: 42.79 (+4.80s | 10.1%) 17 286 917 1,000+
Breast 100 Y 1:44.24 Analysis 10 10/25/2025 BB A: 1:33.59 (+10.65s | 10.2%) 15 241 863 1,000+
50 Breast
49.67
49.67
100 Breast
54.57
1:44.24
100 Breast
1:44.24
Breast 200 Y 3:50.72 Analysis 10 02/07/2026 9 74 154 319
50 Breast
55.82
55.82
100 Breast
1:01.79
1:57.61
100 Breast
1:57.61
150 Breast
57.93
2:55.54
200 Breast
55.18
3:50.72
100 Breast
1:53.11
Fly 50 Y 46.42 10 12/12/2025 B BB: 42.69 (+3.73s | 8.0%) 19 440 1,000+ 1,000+
Fly 100 Y 1:47.77 Analysis 10 03/21/2026 B BB: 1:41.39 (+6.38s | 5.9%) 10 201 771 1,000+
50 Fly
48.07
48.07
100 Fly
59.70
1:47.77
100 Fly
1:47.77
IM 100 Y 1:28.82 Analysis 10 03/21/2026 BB A: 1:22.09 (+6.73s | 7.6%) 14 202 703 1,000+
50 IM
43.28
43.28
100 IM
45.54
1:28.82
100 IM
1:28.82
IM 200 Y 3:24.47 Analysis 10 01/10/2026 B BB: 3:18.79 (+5.68s | 2.8%) 9 202 776 1,000+
50 Fly
48.56
48.56
100 Back
51.35
1:39.91
100 IM
1:39.91
150 Breast
55.94
2:35.85
200 Free
48.62
3:24.47
100 IM
1:44.56

Long course distance

Event Time Age Date Standard Next Standard Mason Makos Swim Team Potomac Valley Swimming Eastern Zone USA

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