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Marissa Koroma

Age: 13 years old
Age Category: 13-14
Team: Naval Academy Aquatic Club | Maryland Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Naval Academy Aquatic Club Maryland Swimming Eastern Zone USA
Free 50 Y 31.64 13 12/11/2025 B BB: 30.19 (+1.45s | 4.6%) 22 289 1,000+ 1,000+
Free 100 Y 1:09.70 13 01/16/2026 B BB: 1:05.89 (+3.81s | 5.5%) 22 278 1,000+ 1,000+
50 Free
33.26
33.26
100 Free
36.44
1:09.70
100 Free
1:09.70
Free 200 Y 2:36.30 13 12/11/2025 B: 2:33.59 (+2.71s | 1.7%) 21 252 1,000+ 1,000+
50 Free
36.02
36.02
100 Free
39.92
1:15.94
100 Free
1:15.94
150 Free
40.89
1:56.83
200 Free
39.47
2:36.30
100 Free
1:20.36
Back 50 Y 35.81 13 12/11/2025 21 214 1,000+ 1,000+
Back 100 Y 1:17.86 13 01/16/2026 B: 1:16.89 (+0.97s | 1.2%) 21 195 1,000+ 1,000+
50 Back
38.26
38.26
100 Back
39.60
1:17.86
100 Back
1:17.86
Back 200 Y 2:59.70 13 11/07/2025 B: 2:46.39 (+13.31s | 7.4%) 20 194 1,000+ 1,000+
50 Back
43.00
43.00
100 Back
45.82
1:28.82
100 Back
1:28.82
150 Back
45.76
2:14.58
200 Back
45.12
2:59.70
100 Back
1:30.88
Breast 50 Y 39.94 13 02/14/2026 19 176 1,000+ 1,000+
Breast 100 Y 1:26.53 13 01/16/2026 B BB: 1:22.29 (+4.24s | 4.9%) 17 156 1,000+ 1,000+
50 Breast
41.42
41.42
100 Breast
45.11
1:26.53
100 Breast
1:26.53
Breast 200 Y 3:14.09 13 01/16/2026 B: 3:10.99 (+3.10s | 1.6%) 17 146 1,000+ 1,000+
50 Breast
44.17
44.17
100 Breast
49.35
1:33.52
100 Breast
1:33.52
150 Breast
51.74
2:25.26
200 Breast
48.83
3:14.09
100 Breast
1:40.57
Fly 50 Y 33.46 13 02/14/2026 19 183 1,000+ 1,000+
Fly 100 Y 1:17.50 13 01/16/2026 B: 1:16.79 (+0.71s | 0.9%) 14 151 1,000+ 1,000+
50 Fly
36.25
36.25
100 Fly
41.25
1:17.50
100 Fly
1:17.50
IM 200 Y 2:49.96 13 02/14/2026 B BB: 2:39.49 (+10.47s | 6.2%) 19 201 1,000+ 1,000+
50 Fly
37.44
37.44
100 Back
42.46
1:19.90
100 IM
1:19.90
150 Breast
49.80
2:09.70
200 Free
40.26
2:49.96
100 IM
1:30.06

Long course distance

Event Time Age Date Standard Next Standard Naval Academy Aquatic Club Maryland Swimming Eastern Zone USA
Free 100 M 1:41.31 10 05/19/2023 B: 1:21.19 (+20.12s | 19.9%) 15 39 599 1,000+
50 Free
46.76
46.76
100 Free
54.55
1:41.31
100 Free
1:41.31
Free 200 M 3:37.53 10 05/19/2023 B: 2:55.29 (+42.24s | 19.4%) 15 38 523 1,000+
Back 50 M 48.92 10 05/19/2023 10 24 485 1,000+
Breast 50 M 58.91 10 05/19/2023 15 36 508 1,000+
Breast 200 M 4:36.18 10 05/19/2023 B: 3:40.29 (+55.89s | 20.2%) 12 21 315 1,000+
50 Breast
1:04.41
1:04.41
100 Breast
1:10.37
2:14.78
100 Breast
2:14.78
150 Breast
1:12.88
3:27.66
200 Breast
1:08.52
4:36.18
100 Breast
2:21.40
Fly 50 M 50.08 10 05/19/2023 11 27 470 1,000+
Fly 100 M 2:05.26 10 05/19/2023 B: 1:27.19 (+38.07s | 30.4%) 9 19 387 1,000+

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