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Emma Nakamaru

Age: 13 years old
Age Category: 13-14
Team: San Diego Imperial All Star TM | San Diego-Imperial Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard San Diego Imperial All Star TM San Diego-Imperial Swimming Western Zone USA
Free 50 Y 28.15 13 10/05/2024 BB A: 27.89 (+0.26s | 0.9%) 10 70 1,000+ 1,000+
Free 100 Y 59.76 Analysis 13 11/08/2025 A AA: 58.29 (+1.47s | 2.5%) 10 43 836 1,000+
50 Free
29.33
29.33
100 Free
30.43
59.76
100 Free
59.76
Free 200 Y 2:05.70 Analysis 13 03/06/2026 AA AAA: 2:00.69 (+5.01s | 4.0%) 9 22 359 1,000+
50 Free
29.76
29.76
100 Free
32.14
1:01.90
100 Free
1:01.90
150 Free
32.45
1:34.35
200 Free
31.35
2:05.70
100 Free
1:03.80
Free 500 Y 5:29.40 Analysis 13 01/31/2026 AA AAA: 5:23.89 (+5.51s | 1.7%) 6 9 164 644
Free 1000 Y 11:24.95 Analysis 13 01/17/2026 AA AAA: 11:08.69 (+16.26s | 2.4%) 4 8 114 441
50 Free
31.49
31.49
100 Free
33.85
1:05.34
100 Free
1:05.34
150 Free
34.30
1:39.64
200 Free
34.30
2:13.94
100 Free
1:08.60
250 Free
34.40
2:48.34
300 Free
34.45
3:22.79
100 Free
1:08.85
350 Free
34.86
3:57.65
400 Free
34.94
4:32.59
100 Free
1:09.80
450 Free
34.99
5:07.58
500 Free
34.85
5:42.43
100 Free
1:09.84
550 Free
34.31
6:16.74
600 Free
34.33
6:51.07
100 Free
1:08.64
650 Free
34.55
7:25.62
700 Free
34.50
8:00.12
100 Free
1:09.05
750 Free
34.89
8:35.01
800 Free
35.91
9:10.92
100 Free
1:10.80
850 Free
33.75
9:44.67
900 Free
33.87
10:18.54
100 Free
1:07.62
950 Free
33.96
10:52.50
1000 Free
32.45
11:24.95
100 Free
1:06.41
Free 1650 Y 19:06.95 Analysis 13 07/10/2026 AA AAA: 18:37.99 (+28.96s | 2.5%) 2 4 93 323
50 Free
31.46
31.46
100 Free
34.22
1:05.68
100 Free
1:05.68
150 Free
34.76
1:40.44
200 Free
35.43
2:15.87
100 Free
1:10.19
250 Free
35.14
2:51.01
300 Free
34.92
3:25.93
100 Free
1:10.06
350 Free
35.61
4:01.54
400 Free
35.16
4:36.70
100 Free
1:10.77
450 Free
35.16
5:11.86
500 Free
34.98
5:46.84
100 Free
1:10.14
550 Free
34.52
6:21.36
600 Free
34.76
6:56.12
100 Free
1:09.28
650 Free
34.70
7:30.82
700 Free
34.76
8:05.58
100 Free
1:09.46
750 Free
34.65
8:40.23
800 Free
35.28
9:15.51
100 Free
1:09.93
850 Free
35.27
9:50.78
900 Free
35.18
10:25.96
100 Free
1:10.45
950 Free
35.15
11:01.11
1000 Free
35.26
11:36.37
100 Free
1:10.41
1050 Free
34.96
12:11.33
1100 Free
34.83
12:46.16
100 Free
1:09.79
1150 Free
34.55
13:20.71
1200 Free
34.97
13:55.68
100 Free
1:09.52
1250 Free
34.73
14:30.41
1300 Free
34.65
15:05.06
100 Free
1:09.38
1350 Free
35.41
15:40.47
1400 Free
34.54
16:15.01
100 Free
1:09.95
1450 Free
34.99
16:50.00
1500 Free
34.97
17:24.97
100 Free
1:09.96
1550 Free
34.63
17:59.60
1600 Free
34.36
18:33.96
100 Free
1:08.99
1650 Free
32.99
19:06.95
Back 50 Y 31.56 13 10/04/2025 BB A: 31.09 (+0.47s | 1.5%) 8 37 605 1,000+
Back 100 Y 1:04.79 Analysis 13 03/06/2026 A AA: 1:03.19 (+1.60s | 2.5%) 6 16 313 1,000+
50 Back
31.84
31.84
100 Back
32.95
1:04.79
100 Back
1:04.79
Back 200 Y 2:17.71 Analysis 13 07/10/2026 A AA: 2:16.69 (+1.02s | 0.7%) 4 9 199 727
50 Back
32.97
32.97
100 Back
34.68
1:07.65
100 Back
1:07.65
150 Back
35.23
1:42.88
200 Back
34.83
2:17.71
100 Back
1:10.06
Breast 50 Y 36.83 13 10/05/2024 BB A: 36.09 (+0.74s | 2.0%) 8 47 805 1,000+
Breast 100 Y 1:17.95 Analysis 13 12/21/2024 BB A: 1:15.99 (+1.96s | 2.5%) 9 41 682 1,000+
50 Breast
37.11
37.11
100 Breast
40.84
1:17.95
100 Breast
1:17.95
Breast 200 Y 2:45.23 Analysis 13 12/21/2024 BB A: 2:43.79 (+1.44s | 0.9%) 6 26 443 1,000+
50 Breast
38.02
38.02
100 Breast
42.18
1:20.20
100 Breast
1:20.20
150 Breast
42.71
2:02.91
200 Breast
42.32
2:45.23
100 Breast
1:25.03
Fly 50 Y 30.50 13 10/04/2025 A AA: 29.39 (+1.11s | 3.6%) 9 51 782 1,000+
Fly 100 Y 1:04.81 Analysis 13 03/06/2026 A AA: 1:03.09 (+1.72s | 2.7%) 7 19 392 1,000+
50 Fly
30.81
30.81
100 Fly
34.00
1:04.81
100 Fly
1:04.81
Fly 200 Y 2:21.27 Analysis 13 07/10/2026 A AA: 2:20.59 (+0.68s | 0.5%) 3 6 128 475
50 Fly
32.11
32.11
100 Fly
35.73
1:07.85
100 Fly
1:07.85
150 Fly
37.32
1:45.17
200 Fly
36.10
2:21.27
100 Fly
1:13.42
IM 200 Y 2:20.09 Analysis 13 07/10/2026 AA AAA: 2:14.99 (+5.10s | 3.6%) 6 14 262 915
50 Fly
30.90
30.90
100 Back
35.25
1:06.15
100 IM
1:06.15
150 Breast
42.49
1:48.64
200 Free
31.45
2:20.09
100 IM
1:13.94
IM 400 Y 5:01.33 Analysis 13 10/24/2025 A AA: 5:00.49 (+0.84s | 0.3%) 7 14 229 819
50 Fly
32.10
32.10
100 Fly
36.89
1:08.99
100 Fly
1:08.99
150 Back
40.49
1:49.48
200 Back
37.91
2:27.39
100 Back
1:18.40
250 Breast
44.63
3:12.02
300 Breast
44.22
3:56.24
100 Breast
1:28.85
350 Free
33.06
4:29.30
400 Free
32.03
5:01.33
100 Free
1:05.09

Long course distance

Event Time Age Date Standard Next Standard San Diego Imperial All Star TM San Diego-Imperial Swimming Western Zone USA
Free 50 M 30.85 13 07/23/2026 A AA: 30.59 (+0.26s | 0.8%) 10 41 723 1,000+
Free 100 M 1:06.08 Analysis 13 07/24/2025 AA AAA: 1:03.79 (+2.29s | 3.5%) 10 27 498 1,000+
50 Free
32.29
32.29
100 Free
33.78
1:06.08
100 Free
1:06.08
Free 200 M 2:19.44 Analysis 13 07/23/2026 AA AAA: 2:17.79 (+1.65s | 1.2%) 7 12 193 699
50 Free
32.50
32.50
100 Free
35.79
1:08.30
100 Free
1:08.30
150 Free
36.33
1:44.63
200 Free
34.81
2:19.44
100 Free
1:11.14
Free 400 M 4:48.42 Analysis 13 07/23/2026 AAA AAAA: 4:36.09 (+12.33s | 4.3%) 5 7 90 317
50 Free
33.35
33.35
100 Free
36.31
1:09.66
100 Free
1:09.66
150 Free
36.85
1:46.51
200 Free
37.01
2:23.52
100 Free
1:13.86
250 Free
36.72
3:00.24
300 Free
36.68
3:36.92
100 Free
1:13.40
350 Free
36.15
4:13.07
400 Free
35.35
4:48.42
100 Free
1:11.50
Free 800 M 9:55.41 Analysis 13 07/23/2026 AAA AAAA: 9:34.09 (+21.32s | 3.6%) 2 3 57 197
100 Free
1:11.67
1:11.67
100 Free
1:11.67
150 Free
37.45
1:49.12
200 Free
38.13
2:27.25
100 Free
1:15.58
250 Free
37.93
3:05.18
300 Free
37.80
3:42.98
100 Free
1:15.73
350 Free
37.70
4:20.68
400 Free
37.65
4:58.33
100 Free
1:15.35
450 Free
37.62
5:35.95
500 Free
37.66
6:13.61
100 Free
1:15.28
550 Free
37.50
6:51.11
600 Free
37.86
7:28.97
100 Free
1:15.36
650 Free
37.31
8:06.28
700 Free
37.06
8:43.34
100 Free
1:14.37
750 Free
36.38
9:19.72
800 Free
35.69
9:55.41
100 Free
1:12.07
Free 1500 M 19:34.82 Analysis 13 08/05/2026 AA AAA: 19:13.69 (+21.13s | 1.8%) 2 4 85 284
50 Free
35.26
35.26
100 Free
38.35
1:13.61
100 Free
1:13.61
150 Free
20.49
1:34.10
200 Free
57.74
2:31.84
100 Free
1:18.23
250 Free
39.49
3:11.33
300 Free
39.58
3:50.91
100 Free
1:19.07
350 Free
39.43
4:30.34
400 Free
40.05
5:10.39
100 Free
1:19.48
450 Free
39.62
5:50.01
500 Free
40.04
6:30.05
100 Free
1:19.66
550 Free
39.54
7:09.59
600 Free
40.09
7:49.68
100 Free
1:19.63
650 Free
39.61
8:29.29
700 Free
39.91
9:09.20
100 Free
1:19.52
750 Free
39.96
9:49.16
800 Free
40.14
10:29.30
100 Free
1:20.10
850 Free
39.53
11:08.83
900 Free
39.35
11:48.18
100 Free
1:18.88
950 Free
39.13
12:27.31
1000 Free
39.36
13:06.67
100 Free
1:18.49
1050 Free
39.13
13:45.80
1100 Free
39.10
14:24.90
100 Free
1:18.23
1150 Free
39.33
15:04.23
1200 Free
39.10
15:43.33
100 Free
1:18.43
1250 Free
39.03
16:22.36
1300 Free
39.12
17:01.48
100 Free
1:18.15
1350 Free
39.01
17:40.49
1400 Free
38.86
18:19.35
100 Free
1:17.87
1450 Free
38.40
18:57.75
1500 Free
37.07
19:34.82
100 Free
1:15.47
Back 50 M 35.17 13 08/06/2025 A AA: 34.99 (+0.18s | 0.5%) 7 20 339 1,000+
Back 100 M 1:16.08 Analysis 13 07/24/2025 A AA: 1:13.69 (+2.39s | 3.1%) 6 23 375 1,000+
50 Back
37.42
37.42
100 Back
38.65
1:16.07
100 Back
1:16.07
Back 200 M 2:45.94 Analysis 13 04/24/2026 BB A: 2:45.69 (+0.25s | 0.2%) 6 21 375 1,000+
50 Back
39.91
39.91
100 Back
42.33
1:22.24
100 Back
1:22.24
150 Back
42.77
2:05.01
200 Back
40.93
2:45.94
100 Back
1:23.70
Breast 50 M 44.60 13 05/23/2026 B BB: 44.39 (+0.21s | 0.5%) 8 69 1,000+ 1,000+
Breast 100 M 1:28.92 Analysis 13 07/24/2025 BB A: 1:27.69 (+1.23s | 1.4%) 9 31 532 1,000+
50 Breast
42.73
42.73
100 Breast
46.19
1:28.92
100 Breast
1:28.92
Breast 200 M 3:09.80 Analysis 13 07/24/2025 BB A: 3:08.89 (+0.91s | 0.5%) 7 23 389 1,000+
50 Breast
45.55
45.55
100 Breast
48.28
1:33.83
100 Breast
1:33.83
150 Breast
49.04
2:22.87
200 Breast
46.93
3:09.80
100 Breast
1:35.97
Fly 50 M 33.34 13 08/05/2026 A AA: 32.79 (+0.55s | 1.6%) 9 35 561 1,000+
Fly 100 M 1:11.23 Analysis 13 07/23/2026 AA AAA: 1:08.59 (+2.64s | 3.7%) 6 15 205 667
50 Fly
34.31
34.31
100 Fly
36.92
1:11.23
100 Fly
1:11.23
Fly 200 M 2:32.83 Analysis 13 07/23/2026 AAA AAAA: 2:26.79 (+6.04s | 4.0%) 4 7 50 166
50 Fly
34.55
34.55
100 Fly
38.58
1:13.13
100 Fly
1:13.13
150 Fly
39.64
1:52.77
200 Fly
40.06
2:32.83
100 Fly
1:19.70
IM 200 M 2:39.71 Analysis 13 06/27/2026 AA AAA: 2:34.89 (+4.82s | 3.0%) 8 17 240 751
IM 400 M 5:22.75 Analysis 13 07/23/2026 AAA AAAA: 5:13.49 (+9.26s | 2.9%) 3 4 56 166
100 Fly
1:13.23
1:13.23
100 Fly
1:13.23
200 Back
1:23.46
2:36.69
100 Back
1:23.46
300 Breast
1:34.73
4:11.42
100 Breast
1:34.73
400 Free
1:11.33
5:22.75
100 Free
1:11.33

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