Jefferson Koscielny

Age: 14 years old
Age Category: 13-14
Team: Lynchburg YMCA Swim Team | Virginia Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Virginia Swimming Lynchburg YMCA Swim Team
Free 50 Y 28.77 14 12/04/2025 B BB: 27.69 (+1.08s | 3.8%) 300 11
Free 100 Y 1:06.96 14 11/08/2025 B: 1:04.99 (+1.97s | 2.9%) 346 10
50 Free
31.90
31.90
100 Free
35.06
1:06.96
100 Free
1:06.96
Free 200 Y 2:26.64 14 11/08/2025 B: 2:22.49 (+4.15s | 2.8%) 311 13
50 Free
33.29
33.29
100 Free
37.07
1:10.36
100 Free
1:10.36
150 Free
39.59
1:49.95
200 Free
36.69
2:26.64
100 Free
1:16.28
Free 500 Y 6:30.14 14 11/23/2025 B: 6:25.69 (+4.45s | 1.1%) 240 11
50 Free
32.98
32.98
100 Free
37.19
1:10.17
100 Free
1:10.17
150 Free
40.53
1:50.70
200 Free
39.36
2:30.06
100 Free
1:19.89
250 Free
39.86
3:09.92
300 Free
41.24
3:51.16
100 Free
1:21.10
350 Free
39.91
4:31.07
400 Free
39.49
5:10.56
100 Free
1:19.40
450 Free
41.44
5:52.00
500 Free
38.14
6:30.14
100 Free
1:19.58
Back 100 Y 1:23.94 14 11/08/2025 B: 1:11.29 (+12.65s | 15.1%) 387 15
50 Back
38.70
38.70
100 Back
45.24
1:23.94
100 Back
1:23.94
Back 200 Y 3:08.71 14 01/02/2026 B: 2:34.69 (+34.02s | 18.0%) 312 10
50 Back
45.43
45.43
100 Back
47.71
1:33.14
100 Back
1:33.14
150 Back
49.81
2:22.95
200 Back
45.76
3:08.71
100 Back
1:35.57
Breast 100 Y 1:34.27 14 11/08/2025 B: 1:20.49 (+13.78s | 14.6%) 375 17
50 Breast
43.60
43.60
100 Breast
50.67
1:34.27
100 Breast
1:34.27
Breast 200 Y 3:40.91 12 02/23/2024 B: 2:54.89 (+46.02s | 20.8%) 311 12
50 Breast
49.61
49.61
100 Breast
59.84
1:49.45
100 Breast
1:49.45
150 Breast
58.00
2:47.45
200 Breast
53.46
3:40.91
100 Breast
1:51.46
Fly 100 Y 1:11.76 14 12/04/2025 B: 1:10.49 (+1.27s | 1.8%) 189 7
50 Fly
32.63
32.63
100 Fly
39.13
1:11.76
100 Fly
1:11.76
IM 200 Y 2:43.24 13 09/19/2025 B: 2:37.99 (+5.25s | 3.2%) 271 11
50 Fly
34.52
34.52
100 Back
43.95
1:18.47
100 IM
1:18.47
150 Breast
47.64
2:06.11
200 Free
37.13
2:43.24
100 IM
1:24.77
IM 400 Y 5:49.19 14 11/08/2025 B: 5:37.69 (+11.50s | 3.3%) 172 10
50 Fly
33.73
33.73
100 Fly
41.85
1:15.58
100 Fly
1:15.58
150 Back
48.78
2:04.36
200 Back
46.61
2:50.97
100 Back
1:35.39
250 Breast
51.21
3:42.18
300 Breast
51.84
4:34.02
100 Breast
1:43.05
350 Free
39.02
5:13.04
400 Free
36.15
5:49.19
100 Free
1:15.17

Long course distance

Event Time Age Date Standard Next Standard Virginia Swimming Lynchburg YMCA Swim Team
Free 50 M 37.65 12 05/31/2024 B: 34.29 (+3.36s | 8.9%) 281 9
Free 100 M 1:41.55 11 06/16/2023 B: 1:15.09 (+26.46s | 26.1%) 363 9
50 Free
47.50
47.50
100 Free
54.05
1:41.55
100 Free
1:41.55
Free 200 M 3:05.17 12 07/12/2024 B: 2:43.99 (+21.18s | 11.4%) 228 8
100 Free
1:26.99
1:26.99
100 Free
1:26.99
200 Free
1:38.18
3:05.17
100 Free
1:38.18
Back 100 M 1:56.31 12 05/31/2024 B: 1:23.69 (+32.62s | 28.0%) 340 10
50 Back
54.93
54.93
100 Back
1:01.38
1:56.31
100 Back
1:56.31
Back 200 M 4:16.24 11 06/16/2023 B: 3:01.79 (+74.45s | 29.1%) 192 5
50 Back
58.33
58.33
100 Back
1:05.61
2:03.94
100 Back
2:03.94
150 Back
1:08.78
3:12.72
200 Back
1:03.51
4:16.23
100 Back
2:12.29
Breast 100 M 1:54.25 12 07/12/2024 B: 1:33.79 (+20.46s | 17.9%) 219 8
50 Breast
55.10
55.10
100 Breast
59.15
1:54.25
100 Breast
1:54.25
Fly 100 M 1:44.45 12 07/12/2024 B: 1:20.29 (+24.16s | 23.1%) 166 6

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