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Zach Marshall

Age: 17 years old
Age Category: 17-18
Team: Nitro Swimming | South Texas Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Nitro Swimming South Texas Swimming Southern Zone USA
Free 50 Y 23.40 17 09/27/2025 A AA: 22.59 (+0.81s | 3.5%) 15 138 998 1,000+
Free 100 Y 50.78 Analysis 17 09/27/2025 A AA: 49.59 (+1.19s | 2.3%) 16 126 970 1,000+
50 Free
24.58
24.58
100 Free
26.20
50.78
100 Free
50.78
Free 200 Y 1:49.58 Analysis 17 09/27/2025 AA AAA: 1:44.99 (+4.59s | 4.2%) 11 80 661 1,000+
50 Free
25.40
25.40
100 Free
28.19
53.59
100 Free
53.59
150 Free
28.25
1:21.84
200 Free
27.74
1:49.58
100 Free
55.99
Free 500 Y 4:54.91 Analysis 17 09/27/2025 AA AAA: 4:45.39 (+9.52s | 3.2%) 5 45 355 1,000+
50 Free
25.77
25.77
100 Free
28.73
54.50
100 Free
54.50
150 Free
29.73
1:24.23
200 Free
30.31
1:54.54
100 Free
1:00.04
250 Free
30.50
2:25.04
300 Free
30.02
2:55.06
100 Free
1:00.52
350 Free
30.05
3:25.11
400 Free
30.32
3:55.43
100 Free
1:00.37
450 Free
30.37
4:25.80
500 Free
29.11
4:54.91
100 Free
59.48
Free 1000 Y 10:29.52 Analysis 17 11/02/2024 A AA: 10:24.49 (+5.03s | 0.8%) 4 30 233 889
Free 1650 Y 17:25.07 Analysis 17 11/02/2024 A AA: 17:22.39 (+2.68s | 0.3%) 4 33 174 660
50 Free
28.29
28.29
100 Free
30.89
59.18
100 Free
59.18
150 Free
31.43
1:30.61
200 Free
31.72
2:02.33
100 Free
1:03.15
250 Free
32.00
2:34.33
300 Free
31.26
3:05.59
100 Free
1:03.26
350 Free
31.06
3:36.65
400 Free
31.53
4:08.18
100 Free
1:02.59
450 Free
31.45
4:39.64
500 Free
31.80
5:11.44
100 Free
1:03.25
550 Free
31.61
5:43.05
600 Free
31.64
6:14.69
100 Free
1:03.25
650 Free
31.54
6:46.23
700 Free
31.95
7:18.18
100 Free
1:03.49
750 Free
32.29
7:50.47
800 Free
31.50
8:21.97
100 Free
1:03.79
850 Free
31.92
8:53.89
900 Free
31.31
9:25.20
100 Free
1:03.23
950 Free
32.06
9:57.26
1000 Free
32.26
10:29.52
100 Free
1:04.32
1050 Free
32.12
11:01.64
1100 Free
31.83
11:33.47
100 Free
1:03.95
1150 Free
32.02
12:05.49
1200 Free
32.14
12:37.63
100 Free
1:04.16
1250 Free
32.09
13:09.72
1300 Free
31.87
13:41.59
100 Free
1:03.96
1350 Free
32.40
14:13.99
1400 Free
32.46
14:46.45
100 Free
1:04.86
1450 Free
32.28
15:18.73
1500 Free
31.99
15:50.72
100 Free
1:04.27
1550 Free
32.33
16:23.05
1600 Free
32.07
16:55.12
100 Free
1:04.40
1650 Free
29.95
17:25.07
Back 100 Y 59.31 Analysis 17 09/27/2025 BB A: 55.89 (+3.42s | 5.8%) 12 111 850 1,000+
50 Back
28.67
28.67
100 Back
30.64
59.31
100 Back
59.31
Back 200 Y 2:07.16 Analysis 17 09/27/2025 BB A: 2:03.29 (+3.87s | 3.0%) 7 64 537 1,000+
50 Back
29.58
29.58
100 Back
32.50
1:02.08
100 Back
1:02.08
150 Back
33.10
1:35.18
200 Back
31.98
2:07.16
100 Back
1:05.08
Breast 50 Y 27.77 17 09/06/2025 3 9 81 428
Breast 100 Y 56.70 Analysis 17 12/10/2025 AAA AAAA: 55.99 (+0.71s | 1.3%) 2 6 52 210
50 Breast
26.92
26.92
100 Breast
29.78
56.70
100 Breast
56.70
Breast 200 Y 2:01.77 Analysis 17 12/10/2025 AAA AAAA: 2:01.69 (+0.08s | 0.1%) 1 4 29 95
50 Breast
28.08
28.08
100 Breast
30.63
58.71
100 Breast
58.71
150 Breast
31.78
1:30.49
200 Breast
31.28
2:01.77
100 Breast
1:03.06
Fly 100 Y 55.87 Analysis 17 09/06/2025 A AA: 53.69 (+2.18s | 3.9%) 14 95 807 1,000+
50 Fly
26.10
26.10
100 Fly
29.77
55.87
100 Fly
55.87
IM 200 Y 1:53.87 Analysis 17 12/10/2025 AAA AAAA: 1:50.59 (+3.28s | 2.9%) 2 14 103 370
50 Fly
24.94
24.94
100 Back
29.97
54.91
100 IM
54.91
150 Breast
31.27
1:26.18
200 Free
27.69
1:53.87
100 IM
58.96
IM 400 Y 4:05.62 Analysis 17 10/17/2025 AAA AAAA: 3:57.99 (+7.63s | 3.1%) 2 15 110 345
50 Fly
26.21
26.21
100 Fly
31.19
57.40
100 Fly
57.40
150 Back
31.88
1:29.28
200 Back
32.72
2:02.00
100 Back
1:04.60
250 Breast
32.09
2:34.09
300 Breast
33.67
3:07.76
100 Breast
1:05.76
350 Free
29.48
3:37.24
400 Free
28.38
4:05.62
100 Free
57.86

Long course distance

Event Time Age Date Standard Next Standard Nitro Swimming South Texas Swimming Southern Zone USA
Free 50 M 27.50 17 04/26/2025 BB A: 27.39 (+0.11s | 0.4%) 15 124 579 1,000+
Free 100 M 59.17 Analysis 17 06/20/2025 A AA: 57.39 (+1.78s | 3.0%) 14 105 523 1,000+
50 Free
28.62
28.62
100 Free
30.55
59.17
100 Free
59.17
Free 200 M 2:07.29 Analysis 17 04/11/2025 A AA: 2:05.59 (+1.70s | 1.3%) 7 59 352 1,000+
Free 400 M 4:40.71 Analysis 17 04/11/2025 BB A: 4:39.79 (+0.92s | 0.3%) 7 54 275 1,000+
Free 800 M 9:18.96 Analysis 17 04/11/2025 A AA: 9:16.89 (+2.07s | 0.4%) 4 16 96 464
50 Free
31.25
31.25
100 Free
35.13
1:06.38
100 Free
1:06.38
150 Free
35.36
1:41.74
200 Free
35.82
2:17.56
100 Free
1:11.18
250 Free
35.82
2:53.38
300 Free
36.60
3:29.98
100 Free
1:12.42
350 Free
35.41
4:05.39
400 Free
36.19
4:41.58
100 Free
1:11.60
450 Free
33.87
5:15.45
500 Free
35.90
5:51.35
100 Free
1:09.77
550 Free
35.25
6:26.60
600 Free
36.04
7:02.64
100 Free
1:11.29
650 Free
33.79
7:36.43
700 Free
34.72
8:11.15
100 Free
1:08.51
750 Free
34.47
8:45.62
800 Free
33.34
9:18.96
100 Free
1:07.81
Free 1500 M 18:31.57 Analysis 17 06/20/2025 A AA: 17:52.59 (+38.98s | 3.5%) 4 24 83 507
50 Free
32.36
32.36
100 Free
35.23
1:07.59
100 Free
1:07.59
150 Free
30.33
1:37.92
200 Free
43.13
2:21.05
100 Free
1:13.46
250 Free
37.17
2:58.22
300 Free
37.57
3:35.79
100 Free
1:14.74
350 Free
37.47
4:13.26
400 Free
37.93
4:51.19
100 Free
1:15.40
450 Free
37.97
5:29.16
500 Free
37.39
6:06.55
100 Free
1:15.36
550 Free
37.63
6:44.18
600 Free
37.38
7:21.56
100 Free
1:15.01
650 Free
37.26
7:58.82
700 Free
37.03
8:35.85
100 Free
1:14.29
750 Free
37.54
9:13.39
800 Free
37.59
9:50.98
100 Free
1:15.13
850 Free
37.26
10:28.24
900 Free
37.49
11:05.73
100 Free
1:14.75
950 Free
37.98
11:43.71
1000 Free
37.53
12:21.24
100 Free
1:15.51
1050 Free
36.93
12:58.17
1100 Free
38.19
13:36.36
100 Free
1:15.12
1150 Free
37.23
14:13.59
1200 Free
37.35
14:50.94
100 Free
1:14.58
1250 Free
37.74
15:28.68
1300 Free
37.04
16:05.72
100 Free
1:14.78
1350 Free
36.96
16:42.68
1400 Free
36.97
17:19.65
100 Free
1:13.93
1450 Free
36.49
17:56.14
1500 Free
35.43
18:31.57
100 Free
1:11.92
Back 100 M 1:10.16 Analysis 17 04/26/2025 BB A: 1:06.49 (+3.67s | 5.2%) 9 70 370 1,000+
50 Back
33.94
33.94
100 Back
36.22
1:10.16
100 Back
1:10.16
Breast 50 M 31.18 17 06/20/2025 1 3 39 132
Breast 100 M 1:05.58 Analysis 17 06/20/2025 AAA AAAA: 1:05.09 (+0.49s | 0.7%) 2 3 22 68
50 Breast
31.35
31.35
100 Breast
34.23
1:05.58
100 Breast
1:05.58
Breast 200 M 2:19.83 Analysis 17 06/20/2025 AAAA 1 1 14 28
50 Breast
32.22
32.22
100 Breast
35.56
1:07.79
100 Breast
1:07.79
150 Breast
35.72
1:43.51
200 Breast
36.32
2:19.83
100 Breast
1:12.04
Fly 100 M 1:02.58 Analysis 17 06/20/2025 A AA: 1:01.29 (+1.29s | 2.1%) 5 47 311 1,000+
50 Fly
29.80
29.80
100 Fly
32.78
1:02.58
100 Fly
1:02.58
IM 200 M 2:11.84 Analysis 17 07/10/2025 AAA AAAA: 2:08.99 (+2.85s | 2.2%) 2 10 51 150
50 Fly
29.59
29.59
100 Back
35.54
1:05.13
100 IM
1:05.13
150 Breast
35.79
1:40.92
200 Free
30.92
2:11.84
100 IM
1:06.71
IM 400 M 4:41.56 Analysis 17 07/10/2025 AAA AAAA: 4:35.69 (+5.87s | 2.1%) 2 5 33 112
50 Fly
30.08
30.08
100 Fly
34.90
1:04.98
100 Fly
1:04.98
150 Back
36.83
1:41.81
200 Back
37.70
2:19.51
100 Back
1:14.53
250 Breast
37.75
2:57.26
300 Breast
38.32
3:35.58
100 Breast
1:16.07
350 Free
33.42
4:09.00
400 Free
32.56
4:41.56
100 Free
1:05.98

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