Swimmer profile
Anna Nishizaki
FemaleOpen / SeniorArkansas Dolphins Swim TeamAR · CENTRAL
SeasonUSA Swimming season runs Sept – Aug
Event
2013–14
2014–15
2015–16
2016–17
2017–18
2018–19
2019–20
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free SCY
52.69
35.82
▲ 16.87
32.60
▲ 3.22
29.90
▲ 2.70
27.59
▲ 2.31
27.37
▲ 0.22
26.70
▲ 0.67
25.90
▲ 0.80
25.92
▼ 0.02
24.95
▲ 0.97
24.63
▲ 0.32
25.36
▼ 0.73
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100 Free SCY
—
1:23.62
1:09.22
▲ 14.40
1:04.65
▲ 4.57
59.99
▲ 4.66
1:00.06
▼ 0.07
57.93
▲ 2.13
55.12
▲ 2.81
54.73
▲ 0.39
53.71
▲ 1.02
53.53
▲ 0.18
55.79
▼ 2.26
54.27
▲ 1.52
200 Free SCY
—
—
2:26.47
2:16.66
▲ 9.81
2:07.75
▲ 8.91
2:07.75
± 0.00
2:04.63
▲ 3.12
1:57.43
▲ 7.20
1:54.19
▲ 3.24
1:54.54
▼ 0.35
1:51.58
▲ 2.96
1:53.86
▼ 2.28
1:52.17
▲ 1.69
500 Free SCY
—
—
—
—
5:50.60
5:38.40
▲ 12.20
—
—
5:15.14
▲ 23.26
—
—
—
5:11.71
▲ 3.43
1000 Free SCY
—
—
—
—
—
—
11:40.05
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—
—
—
—
—
1650 Free SCY
—
—
—
—
—
—
19:27.25
—
—
—
—
—
—
50 Back SCY
—
41.73
36.56
▲ 5.17
35.55
▲ 1.01
31.04
▲ 4.51
32.38
▼ 1.34
32.69
▼ 0.31
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—
—
—
—
—
100 Back SCY
—
—
1:14.87
1:12.68
▲ 2.19
1:10.30
▲ 2.38
1:10.21
▲ 0.09
1:06.63
▲ 3.58
—
—
1:02.36
▲ 4.27
1:01.60
▲ 0.76
1:00.46
▲ 1.14
58.44
▲ 2.02
200 Back SCY
—
—
—
2:33.16
2:25.28
▲ 7.88
2:24.45
▲ 0.83
—
—
—
2:14.39
▲ 10.06
—
—
2:06.94
▲ 7.45
50 Breast SCY
—
45.20
39.21
▲ 5.99
36.50
▲ 2.71
33.45
▲ 3.05
33.90
▼ 0.45
34.14
▼ 0.24
—
—
—
—
—
31.10
▲ 3.04
100 Breast SCY
—
1:40.88
1:21.50
▲ 19.38
1:18.69
▲ 2.81
1:12.86
▲ 5.83
1:09.64
▲ 3.22
1:08.70
▲ 0.94
1:06.58
▲ 2.12
1:05.70
▲ 0.88
1:05.96
▼ 0.26
1:04.51
▲ 1.45
1:04.96
▼ 0.45
1:07.54
▼ 2.58
200 Breast SCY
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—
2:56.28
2:50.58
▲ 5.70
2:36.28
▲ 14.30
2:26.88
▲ 9.40
2:26.14
▲ 0.74
2:25.24
▲ 0.90
2:20.93
▲ 4.31
2:19.39
▲ 1.54
2:16.90
▲ 2.49
2:16.68
▲ 0.22
2:15.88
▲ 0.80
50 Fly SCY
—
44.48
36.14
▲ 8.34
35.18
▲ 0.96
—
30.49
▲ 4.69
31.58
▼ 1.09
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—
—
—
—
—
100 Fly SCY
—
—
—
1:17.07
1:10.68
▲ 6.39
1:10.89
▼ 0.21
1:08.53
▲ 2.36
—
—
1:01.17
▲ 7.36
—
—
—
100 IM SCY
—
1:24.89
1:19.98
▲ 4.91
1:11.71
▲ 8.27
—
1:08.11
▲ 3.60
1:09.19
▼ 1.08
—
—
—
—
1:01.16
▲ 8.03
58.17
▲ 2.99
200 IM SCY
—
3:44.69
2:47.11
▲ 57.58
2:33.59
▲ 13.52
2:22.43
▲ 11.16
2:22.35
▲ 0.08
2:20.44
▲ 1.91
—
2:11.10
▲ 9.34
2:07.85
▲ 3.25
2:04.77
▲ 3.08
2:05.60
▼ 0.83
2:03.67
▲ 1.93
400 IM SCY
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—
—
5:29.65
5:10.85
▲ 18.80
5:05.59
▲ 5.26
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—
—
—
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Improvement<0.5s0.5–2s2–5s5s+Slower
📊 All Attempts by Event
Chronological history of every recorded swim. Click an event to expand its attempt list.