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Preston Marks

Age: 16 years old
Age Category: 15-16
Team: Terrapins Swim Team | Pacific Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Terrapins Swim Team Pacific Swimming Western Zone USA
Free 50 Y 25.18 16 09/27/2025 BB A: 24.19 (+0.99s | 3.9%) 6 379 1,000+ 1,000+
Free 100 Y 53.42 Analysis 16 03/13/2026 BB A: 53.19 (+0.23s | 0.4%) 5 271 1,000+ 1,000+
50 Free
25.67
25.67
100 Free
27.75
53.42
100 Free
53.42
Free 200 Y 2:00.07 Analysis 16 11/23/2024 BB A: 1:56.59 (+3.48s | 2.9%) 6 293 1,000+ 1,000+
50 Free
26.83
26.83
100 Free
29.95
56.78
100 Free
56.78
150 Free
31.45
1:28.23
200 Free
31.84
2:00.07
100 Free
1:03.29
Free 500 Y 5:35.79 Analysis 16 11/18/2023 BB A: 5:15.79 (+20.00s | 6.0%) 7 268 1,000+ 1,000+
50 Free
29.53
29.53
100 Free
33.46
1:02.99
100 Free
1:02.99
150 Free
33.65
1:36.64
200 Free
33.94
2:10.58
100 Free
1:07.59
250 Free
34.15
2:44.73
300 Free
34.52
3:19.25
100 Free
1:08.67
350 Free
34.68
3:53.93
400 Free
34.58
4:28.51
100 Free
1:09.26
450 Free
34.30
5:02.81
500 Free
32.98
5:35.79
100 Free
1:07.28
Free 1000 Y 11:15.06 Analysis 16 03/01/2024 BB A: 11:01.59 (+13.47s | 2.0%) 2 122 437 1,000+
Free 1650 Y 20:33.74 Analysis 16 11/19/2022 B BB: 19:54.69 (+39.05s | 3.2%) 4 152 632 1,000+
Back 50 Y 27.99 16 03/13/2026 3 110 530 1,000+
Back 100 Y 1:00.40 Analysis 16 03/13/2026 BB A: 57.89 (+2.51s | 4.2%) 4 189 824 1,000+
50 Back
29.08
29.08
100 Back
31.32
1:00.40
100 Back
1:00.40
Back 200 Y 2:11.42 Analysis 16 11/23/2024 BB A: 2:06.59 (+4.83s | 3.7%) 2 141 644 1,000+
50 Back
30.77
30.77
100 Back
33.28
1:04.05
100 Back
1:04.05
150 Back
33.99
1:38.05
200 Back
33.37
2:11.42
100 Back
1:07.36
Breast 50 Y 35.75 16 03/04/2022 4 246 1,000+ 1,000+
Breast 100 Y 1:10.08 Analysis 16 11/23/2024 BB A: 1:05.89 (+4.19s | 6.0%) 3 246 1,000+ 1,000+
50 Breast
33.21
33.21
100 Breast
36.87
1:10.08
100 Breast
1:10.08
Breast 200 Y 2:45.52 Analysis 16 10/28/2023 B BB: 2:35.19 (+10.33s | 6.2%) 7 306 1,000+ 1,000+
Fly 50 Y 31.06 16 11/19/2022 7 364 1,000+ 1,000+
Fly 100 Y 1:02.82 Analysis 16 11/23/2024 B BB: 1:02.39 (+0.43s | 0.7%) 6 324 1,000+ 1,000+
50 Fly
29.37
29.37
100 Fly
33.45
1:02.82
100 Fly
1:02.82
Fly 200 Y 2:37.11 Analysis 16 03/18/2023 B: 2:30.19 (+6.92s | 4.4%) 5 229 954 1,000+
IM 200 Y 2:15.43 Analysis 16 11/23/2024 BB A: 2:09.39 (+6.04s | 4.5%) 6 272 1,000+ 1,000+
50 Fly
30.51
30.51
100 Back
33.43
1:03.94
100 IM
1:03.94
150 Breast
40.86
1:44.80
200 Free
30.63
2:15.43
100 IM
1:11.49
IM 400 Y 4:53.55 Analysis 16 11/22/2025 BB A: 4:36.19 (+17.36s | 5.9%) 2 183 825 1,000+
50 Fly
30.18
30.18
100 Fly
35.00
1:05.18
100 Fly
1:05.18
150 Back
37.38
1:42.56
200 Back
36.66
2:19.22
100 Back
1:14.04
250 Breast
43.24
3:02.46
300 Breast
42.54
3:45.00
100 Breast
1:25.78
350 Free
35.04
4:20.04
400 Free
33.51
4:53.55
100 Free
1:08.55

Long course distance

Event Time Age Date Standard Next Standard Terrapins Swim Team Pacific Swimming Western Zone USA
Free 50 M 27.67 16 04/18/2026 A AA: 26.99 (+0.68s | 2.5%) 4 208 934 1,000+
Free 100 M 1:01.43 Analysis 16 04/18/2026 A AA: 58.99 (+2.44s | 4.0%) 6 237 1,000+ 1,000+
Free 200 M 2:16.14 Analysis 16 04/18/2026 BB A: 2:14.29 (+1.85s | 1.4%) 8 208 909 1,000+
Free 400 M 4:59.20 Analysis 16 05/25/2024 BB A: 4:46.39 (+12.81s | 4.3%) 6 190 888 1,000+
Free 800 M 10:50.48 Analysis 16 04/30/2022 B BB: 10:44.39 (+6.09s | 0.9%) 5 126 569 1,000+
Free 1500 M 20:28.27 Analysis 16 05/12/2023 BB A: 18:58.49 (+89.78s | 7.3%) 3 108 450 1,000+
Back 50 M 35.78 16 07/28/2022 3 131 882 1,000+
Back 100 M 1:11.07 Analysis 16 06/13/2026 BB A: 1:07.99 (+3.08s | 4.3%) 5 157 712 1,000+
Back 200 M 2:35.00 Analysis 16 06/27/2025 BB A: 2:27.69 (+7.31s | 4.7%) 2 130 608 1,000+
50 Back
36.39
36.39
100 Back
39.81
1:16.20
100 Back
1:16.20
150 Back
39.59
1:55.79
200 Back
39.21
2:35.00
100 Back
1:18.80
Breast 50 M 36.59 16 06/27/2025 2 80 509 1,000+
Breast 100 M 1:20.04 Analysis 16 06/27/2025 BB A: 1:16.69 (+3.35s | 4.2%) 3 160 698 1,000+
50 Breast
38.37
38.37
100 Breast
41.67
1:20.04
100 Breast
1:20.04
Breast 200 M 3:02.73 Analysis 16 06/27/2024 B BB: 3:00.59 (+2.14s | 1.2%) 2 165 786 1,000+
Fly 50 M 34.62 16 04/30/2022 5 210 1,000+ 1,000+
Fly 100 M 1:16.86 Analysis 16 07/27/2024 B: 1:16.79 (+0.07s | 0.1%) 9 316 1,000+ 1,000+
IM 200 M 2:36.38 Analysis 16 06/27/2025 BB A: 2:30.99 (+5.39s | 3.4%) 4 218 934 1,000+
50 Fly
35.15
35.15
100 Back
39.96
1:15.11
100 IM
1:15.11
150 Breast
46.32
2:01.43
200 Free
34.95
2:36.38
100 IM
1:21.27
IM 400 M 5:34.42 Analysis 16 06/27/2025 BB A: 5:21.19 (+13.23s | 4.0%) 3 132 615 1,000+
50 Fly
36.61
36.61
100 Fly
41.02
1:17.63
100 Fly
1:17.63
150 Back
41.84
1:59.47
200 Back
42.09
2:41.56
100 Back
1:23.93
250 Breast
49.20
3:30.76
300 Breast
48.83
4:19.59
100 Breast
1:38.03
350 Free
37.45
4:57.04
400 Free
37.38
5:34.42
100 Free
1:14.83

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