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Mark Aprelev

Age: 16 years old
Age Category: 15-16
Team: Livermore AquaCowboys | Pacific Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Livermore AquaCowboys Pacific Swimming Western Zone USA
Free 50 Y 23.41 16 11/15/2024 A AA: 23.19 (+0.22s | 0.9%) 6 139 569 1,000+
Free 100 Y 50.00 Analysis 16 11/28/2025 AA AAA: 48.79 (+1.21s | 2.4%) 5 96 365 1,000+
50 Free
24.40
24.40
100 Free
25.60
50.00
100 Free
50.00
Free 200 Y 1:52.12 Analysis 16 11/22/2025 A AA: 1:51.79 (+0.33s | 0.3%) 5 133 546 1,000+
50 Free
25.65
25.65
100 Free
28.49
54.14
100 Free
54.14
150 Free
28.89
1:23.03
200 Free
29.09
1:52.12
100 Free
57.98
Free 500 Y 4:58.29 Analysis 16 12/05/2025 AA AAA: 4:49.49 (+8.80s | 3.0%) 2 76 326 983
50 Free
26.30
26.30
100 Free
29.80
56.10
100 Free
56.10
150 Free
30.20
1:26.30
200 Free
31.08
1:57.38
100 Free
1:01.28
250 Free
30.52
2:27.90
300 Free
30.74
2:58.64
100 Free
1:01.26
350 Free
30.29
3:28.93
400 Free
30.61
3:59.54
100 Free
1:00.90
450 Free
30.66
4:30.20
500 Free
28.09
4:58.29
100 Free
58.75
Free 1000 Y 11:01.41 Analysis 16 01/24/2026 A AA: 10:33.99 (+27.42s | 4.1%) 1 102 398 1,000+
50 Free
28.36
28.36
100 Free
31.52
59.88
100 Free
59.88
150 Free
33.01
1:32.89
200 Free
33.46
2:06.35
100 Free
1:06.47
250 Free
34.15
2:40.50
300 Free
33.31
3:13.81
100 Free
1:07.46
350 Free
33.83
3:47.64
400 Free
33.93
4:21.57
100 Free
1:07.76
450 Free
34.71
4:56.28
500 Free
34.24
5:30.52
100 Free
1:08.95
550 Free
34.02
6:04.54
600 Free
33.67
6:38.21
100 Free
1:07.69
650 Free
33.31
7:11.52
700 Free
33.94
7:45.46
100 Free
1:07.25
750 Free
33.50
8:18.96
800 Free
33.21
8:52.17
100 Free
1:06.71
850 Free
32.63
9:24.80
900 Free
32.46
9:57.26
100 Free
1:05.09
950 Free
32.63
10:29.89
1000 Free
31.52
11:01.41
100 Free
1:04.15
Free 1650 Y 17:29.88 Analysis 16 11/22/2025 AA AAA: 16:50.89 (+38.99s | 3.7%) 2 51 201 604
50 Free
27.07
27.07
100 Free
30.31
57.38
100 Free
57.38
150 Free
31.19
1:28.57
200 Free
32.02
2:00.59
100 Free
1:03.21
250 Free
31.88
2:32.47
300 Free
32.00
3:04.48
100 Free
1:03.89
350 Free
32.52
3:37.00
400 Free
32.05
4:09.05
100 Free
1:04.57
450 Free
32.16
4:41.21
500 Free
32.79
5:14.00
100 Free
1:04.95
550 Free
32.68
5:46.68
600 Free
31.86
6:18.54
100 Free
1:04.54
650 Free
32.39
6:50.93
700 Free
32.01
7:22.94
100 Free
1:04.40
750 Free
32.05
7:54.99
800 Free
32.25
8:27.24
100 Free
1:04.30
850 Free
32.39
8:59.63
900 Free
32.00
9:31.63
100 Free
1:04.39
950 Free
32.00
10:03.63
1000 Free
32.52
10:36.15
100 Free
1:04.52
1050 Free
31.77
11:07.92
1100 Free
32.07
11:39.99
100 Free
1:03.84
1150 Free
32.05
12:12.04
1200 Free
32.47
12:44.51
100 Free
1:04.52
1250 Free
32.35
13:16.86
1300 Free
32.25
13:49.11
100 Free
1:04.60
1350 Free
32.34
14:21.45
1400 Free
32.06
14:53.51
100 Free
1:04.40
1450 Free
31.40
15:24.91
1500 Free
31.12
15:56.03
100 Free
1:02.52
1550 Free
31.72
16:27.75
1600 Free
31.30
16:59.05
100 Free
1:03.02
1650 Free
30.83
17:29.88
Back 50 Y 33.07 16 10/01/2022 B: 31.79 (+1.28s | 3.9%) 8 323 1,000+ 1,000+
Back 100 Y 58.17 Analysis 16 03/22/2025 BB A: 57.89 (+0.28s | 0.5%) 5 118 493 1,000+
Breast 50 Y 37.86 16 12/10/2022 B: 36.69 (+1.17s | 3.1%) 5 381 1,000+ 1,000+
Breast 100 Y 1:13.98 Analysis 16 09/27/2025 B BB: 1:11.39 (+2.59s | 3.5%) 12 378 1,000+ 1,000+
Fly 50 Y 29.56 16 02/04/2023 B BB: 29.29 (+0.27s | 0.9%) 8 308 1,000+ 1,000+
Fly 100 Y 53.49 Analysis 16 04/09/2026 AA AAA: 52.79 (+0.70s | 1.3%) 3 54 183 533
50 Fly
25.03
25.03
100 Fly
28.46
53.49
100 Fly
53.49
Fly 200 Y 2:08.29 Analysis 16 03/22/2025 A AA: 2:03.39 (+4.90s | 3.8%) 5 100 365 1,000+
IM 200 Y 2:10.01 Analysis 16 03/22/2025 BB A: 2:09.39 (+0.62s | 0.5%) 8 189 778 1,000+
IM 400 Y 5:07.74 Analysis 16 02/04/2023 B BB: 4:59.19 (+8.55s | 2.8%) 8 226 1,000+ 1,000+

Long course distance

Event Time Age Date Standard Next Standard Livermore AquaCowboys Pacific Swimming Western Zone USA
Free 50 M 26.05 16 07/23/2026 AA AAA: 25.89 (+0.16s | 0.6%) 4 81 325 897
Free 100 M 55.06 Analysis 16 07/23/2026 AAA AAAA: 53.79 (+1.27s | 2.3%) 2 21 99 306
Free 200 M 2:06.57 Analysis 16 06/27/2026 AA AAA: 2:03.09 (+3.48s | 2.7%) 3 80 371 1,000+
Free 400 M 4:38.20 Analysis 16 04/18/2026 A AA: 4:34.39 (+3.81s | 1.4%) 3 104 470 1,000+
Free 1500 M 18:24.56 Analysis 16 06/28/2025 A AA: 18:11.09 (+13.47s | 1.2%) 2 45 203 619
Back 50 M 39.80 16 05/28/2022 B: 37.79 (+2.01s | 5.1%) 5 237 1,000+ 1,000+
Back 100 M 1:09.10 Analysis 16 04/18/2026 BB A: 1:07.99 (+1.11s | 1.6%) 5 113 549 1,000+
Back 200 M 2:32.82 Analysis 16 04/18/2026 BB A: 2:27.69 (+5.13s | 3.4%) 5 111 552 1,000+
Breast 50 M 50.18 16 05/28/2022 B: 41.79 (+8.39s | 16.7%) 7 396 1,000+ 1,000+
Breast 100 M 1:31.55 Analysis 16 06/10/2023 B: 1:29.49 (+2.06s | 2.3%) 11 403 1,000+ 1,000+
Fly 50 M 27.15 16 06/07/2026 AAA AAAA: 26.79 (+0.36s | 1.3%) 2 24 87 272
Fly 100 M 59.22 Analysis 16 07/23/2026 AAA AAAA: 57.59 (+1.63s | 2.8%) 3 27 78 206
50 Fly
28.10
28.10
100 Fly
31.12
59.22
100 Fly
59.22
Fly 200 M 2:15.28 Analysis 16 07/23/2026 AA AAA: 2:14.89 (+0.39s | 0.3%) 2 22 80 245
50 Fly
30.21
30.21
100 Fly
33.75
1:03.96
100 Fly
1:03.96
150 Fly
35.27
1:39.23
200 Fly
36.05
2:15.28
100 Fly
1:11.32
IM 200 M 2:30.70 Analysis 16 04/18/2026 A AA: 2:24.69 (+6.01s | 4.0%) 6 160 706 1,000+
IM 400 M 5:36.70 Analysis 16 05/27/2023 BB A: 5:21.19 (+15.51s | 4.6%) 6 142 680 1,000+

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