Jillian Wiersema

Age: 16 years old
Age Category: 15-16
Team: H2okie Aquatics | Virginia Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Virginia Swimming H2okie Aquatics
Free 50 Y 24.25 16 12/04/2025 AAA AAAA: 23.89 (+0.36s | 1.5%) 9 1
Free 100 Y 52.38 16 12/04/2025 AAA AAAA: 51.59 (+0.79s | 1.5%) 5 2
Free 200 Y 1:51.37 16 12/04/2025 AAAA 3 1
50 Free
26.03
26.03
100 Free
28.04
54.07
100 Free
54.07
150 Free
28.82
1:22.89
200 Free
28.48
1:51.37
100 Free
57.30
Free 300 Y 3:31.45 13 10/21/2022 5 5
50 Free
32.08
32.08
100 Free
36.42
1:08.50
100 Free
1:08.50
150 Free
36.56
1:45.06
200 Free
36.80
2:21.86
100 Free
1:13.36
250 Free
35.89
2:57.75
300 Free
33.70
3:31.45
100 Free
1:09.59
Free 500 Y 5:00.73 16 10/11/2025 AAAA 2 1
50 Free
27.40
27.40
100 Free
29.70
57.10
100 Free
57.10
150 Free
30.17
1:27.27
200 Free
30.09
1:57.36
100 Free
1:00.26
250 Free
30.25
2:27.61
300 Free
30.46
2:58.07
100 Free
1:00.71
350 Free
30.67
3:28.74
400 Free
30.86
3:59.60
100 Free
1:01.53
450 Free
31.05
4:30.65
500 Free
30.08
5:00.73
100 Free
1:01.13
Free 1000 Y 10:11.33 16 11/07/2025 AAAA 1 1
50 Free
28.04
28.04
100 Free
30.60
58.64
100 Free
58.64
150 Free
30.90
1:29.54
200 Free
30.94
2:00.48
100 Free
1:01.84
250 Free
31.18
2:31.66
300 Free
30.66
3:02.32
100 Free
1:01.84
350 Free
30.79
3:33.11
400 Free
30.78
4:03.89
100 Free
1:01.57
450 Free
30.97
4:34.86
500 Free
30.87
5:05.73
100 Free
1:01.84
550 Free
30.77
5:36.50
600 Free
30.91
6:07.41
100 Free
1:01.68
650 Free
30.62
6:38.03
700 Free
30.58
7:08.61
100 Free
1:01.20
750 Free
30.84
7:39.45
800 Free
30.82
8:10.27
100 Free
1:01.66
850 Free
30.52
8:40.79
900 Free
30.54
9:11.33
100 Free
1:01.06
950 Free
30.66
9:41.99
1000 Free
29.34
10:11.33
100 Free
1:00.00
Free 1650 Y 18:36.53 14 03/07/2024 AA AAA: 18:16.79 (+19.74s | 1.8%) 25 1
50 Free
31.83
31.83
100 Free
34.77
1:06.60
100 Free
1:06.60
150 Free
34.84
1:41.44
200 Free
34.86
2:16.30
100 Free
1:09.70
250 Free
34.80
2:51.10
300 Free
34.73
3:25.83
100 Free
1:09.53
350 Free
34.55
4:00.38
400 Free
34.37
4:34.75
100 Free
1:08.92
450 Free
34.56
5:09.31
500 Free
34.11
5:43.42
100 Free
1:08.67
550 Free
33.87
6:17.29
600 Free
33.89
6:51.18
100 Free
1:07.76
650 Free
34.29
7:25.47
700 Free
33.96
7:59.43
100 Free
1:08.25
750 Free
34.18
8:33.61
800 Free
34.54
9:08.15
100 Free
1:08.72
850 Free
34.15
9:42.30
900 Free
33.87
10:16.17
100 Free
1:08.02
950 Free
33.82
10:49.99
1000 Free
33.86
11:23.85
100 Free
1:07.68
1050 Free
34.26
11:58.11
1100 Free
33.51
12:31.62
100 Free
1:07.77
1150 Free
33.50
13:05.12
1200 Free
33.89
13:39.01
100 Free
1:07.39
1250 Free
34.01
14:13.02
1300 Free
33.43
14:46.45
100 Free
1:07.44
1350 Free
33.28
15:19.73
1400 Free
33.27
15:53.00
100 Free
1:06.55
1450 Free
33.27
16:26.27
1500 Free
33.03
16:59.30
100 Free
1:06.30
1550 Free
32.91
17:32.21
1600 Free
32.59
18:04.80
100 Free
1:05.50
1650 Free
31.73
18:36.53
Back 100 Y 56.95 16 11/07/2025 AAA AAAA: 56.09 (+0.86s | 1.5%) 5 1
50 Back
28.00
28.00
100 Back
28.95
56.95
100 Back
56.95
Back 200 Y 2:02.70 16 11/07/2025 AAA AAAA: 2:01.69 (+1.01s | 0.8%) 3 1
50 Back
28.93
28.93
100 Back
30.79
59.72
100 Back
59.72
150 Back
31.51
1:31.23
200 Back
31.47
2:02.70
100 Back
1:02.98
Breast 100 Y 1:24.44 13 01/13/2023 B BB: 1:19.79 (+4.65s | 5.5%) 292 13
50 Breast
40.30
40.30
100 Breast
44.14
1:24.44
100 Breast
1:24.44
Breast 200 Y 2:48.67 14 10/06/2023 BB A: 2:39.39 (+9.28s | 5.5%) 152 8
50 Breast
38.46
38.46
100 Breast
42.87
1:21.33
100 Breast
1:21.33
150 Breast
43.60
2:04.93
200 Breast
43.74
2:48.67
100 Breast
1:27.34
Fly 100 Y 1:12.36 13 12/08/2022 B BB: 1:09.09 (+3.27s | 4.5%) 275 10
50 Fly
35.09
35.09
100 Fly
37.27
1:12.36
100 Fly
1:12.36
Fly 200 Y 2:33.03 14 10/06/2023 BB A: 2:22.09 (+10.94s | 7.1%) 128 7
50 Fly
35.53
35.53
100 Fly
39.11
1:14.64
100 Fly
1:14.64
150 Fly
39.62
1:54.26
200 Fly
38.77
2:33.03
100 Fly
1:18.39
IM 200 Y 2:10.34 16 11/07/2025 AAA AAAA: 2:04.59 (+5.75s | 4.4%) 18 4
50 Fly
28.56
28.56
100 Back
32.46
1:01.02
100 IM
1:01.02
150 Breast
40.18
1:41.20
200 Free
29.14
2:10.34
100 IM
1:09.32
IM 400 Y 4:38.36 16 10/11/2025 AAA AAAA: 4:26.29 (+12.07s | 4.3%) 20 3
50 Fly
31.49
31.49
100 Fly
33.49
1:04.98
100 Fly
1:04.98
150 Back
34.76
1:39.74
200 Back
33.46
2:13.20
100 Back
1:08.22
250 Breast
42.91
2:56.11
300 Breast
41.56
3:37.67
100 Breast
1:24.47
350 Free
31.32
4:08.99
400 Free
29.37
4:38.36
100 Free
1:00.69

Long course distance

Event Time Age Date Standard Next Standard Virginia Swimming H2okie Aquatics
Free 50 M 28.19 14 05/31/2024 AAA AAAA: 27.09 (+1.10s | 3.9%) 14 1
Free 100 M 59.58 15 07/18/2024 AAA AAAA: 58.79 (+0.79s | 1.3%) 3 1
50 Free
28.80
28.80
100 Free
30.78
59.58
100 Free
59.58
Free 200 M 2:09.85 15 06/22/2024 AAA AAAA: 2:06.89 (+2.96s | 2.3%) 6 1
Free 400 M 4:31.32 15 07/18/2024 AAA AAAA: 4:26.39 (+4.93s | 1.8%) 3 1
50 Free
30.96
30.96
100 Free
33.87
1:04.83
100 Free
1:04.83
150 Free
34.90
1:39.73
200 Free
34.56
2:14.29
100 Free
1:09.46
250 Free
34.14
2:48.43
300 Free
34.39
3:22.82
100 Free
1:08.53
350 Free
34.59
3:57.41
400 Free
33.91
4:31.32
100 Free
1:08.50
Free 800 M 9:22.42 15 07/18/2024 AAA AAAA: 9:13.29 (+9.13s | 1.6%) 3 1
100 Free
1:08.21
1:08.21
100 Free
1:08.21
200 Free
1:12.60
2:20.81
100 Free
1:12.60
300 Free
1:11.32
3:32.13
100 Free
1:11.32
400 Free
1:11.50
4:43.63
100 Free
1:11.50
500 Free
1:10.95
5:54.58
100 Free
1:10.95
600 Free
1:09.80
7:04.38
100 Free
1:09.80
700 Free
1:09.41
8:13.79
100 Free
1:09.41
800 Free
1:08.63
9:22.42
100 Free
1:08.63
Free 1500 M 18:12.63 15 07/18/2024 AAA AAAA: 17:40.09 (+32.54s | 3.0%) 4 1
50 Free
33.52
33.52
100 Free
37.91
1:11.43
100 Free
1:11.43
150 Free
37.26
1:48.69
200 Free
37.28
2:25.97
100 Free
1:14.54
250 Free
37.55
3:03.52
300 Free
37.58
3:41.10
100 Free
1:15.13
350 Free
36.94
4:18.04
400 Free
37.29
4:55.33
100 Free
1:14.23
450 Free
37.05
5:32.38
500 Free
37.11
6:09.49
100 Free
1:14.16
550 Free
37.08
6:46.57
600 Free
36.88
7:23.45
100 Free
1:13.96
650 Free
36.78
8:00.23
700 Free
36.43
8:36.66
100 Free
1:13.21
750 Free
36.03
9:12.69
800 Free
36.15
9:48.84
100 Free
1:12.18
850 Free
35.79
10:24.63
900 Free
35.96
11:00.59
100 Free
1:11.75
950 Free
36.00
11:36.59
1000 Free
35.92
12:12.51
100 Free
1:11.92
1050 Free
36.19
12:48.70
1100 Free
36.47
13:25.17
100 Free
1:12.66
1150 Free
36.26
14:01.43
1200 Free
36.06
14:37.49
100 Free
1:12.32
1250 Free
36.37
15:13.86
1300 Free
36.18
15:50.04
100 Free
1:12.55
1350 Free
36.23
16:26.27
1400 Free
35.95
17:02.22
100 Free
1:12.18
1450 Free
35.74
17:37.96
1500 Free
34.67
18:12.63
100 Free
1:10.41
Back 100 M 1:08.03 14 05/31/2024 AAA AAAA: 1:05.19 (+2.84s | 4.2%) 9 1
50 Back
33.39
33.39
100 Back
34.63
1:08.02
100 Back
1:08.02
Back 200 M 2:29.44 14 07/20/2023 AA AAA: 2:26.79 (+2.65s | 1.8%) 15 2
Breast 100 M 1:34.49 13 04/28/2023 B BB: 1:31.59 (+2.90s | 3.1%) 166 7
50 Breast
46.23
46.23
100 Breast
48.26
1:34.49
100 Breast
1:34.49
Breast 200 M 3:33.42 13 07/08/2022 B: 3:32.49 (+0.93s | 0.4%) 212 11
50 Breast
49.35
49.35
100 Breast
55.22
1:44.57
100 Breast
1:44.57
150 Breast
56.31
2:40.88
200 Breast
52.54
3:33.42
100 Breast
1:48.85
Fly 100 M 1:23.82 13 04/28/2023 B BB: 1:18.29 (+5.53s | 6.6%) 211 8
50 Fly
40.28
40.28
100 Fly
43.54
1:23.82
100 Fly
1:23.82
IM 200 M 2:32.21 14 05/31/2024 AA AAA: 2:30.19 (+2.02s | 1.3%) 26 2
50 Fly
34.29
34.29
100 Back
38.61
1:12.90
100 IM
1:12.90
150 Breast
47.21
2:00.11
200 Free
32.10
2:32.21
100 IM
1:19.31
IM 400 M 5:47.19 14 07/06/2023 BB A: 5:46.89 (+0.30s | 0.1%) 71 5
50 Fly
39.96
39.96
100 Fly
42.54
1:22.50
100 Fly
1:22.50
150 Back
44.12
2:06.62
200 Back
42.60
2:49.22
100 Back
1:26.72
250 Breast
50.60
3:39.82
300 Breast
52.18
4:32.00
100 Breast
1:42.78
350 Free
38.33
5:10.33
400 Free
36.86
5:47.19
100 Free
1:15.19

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