Swimmer profile
Anna Nishizaki
FemaleOpen / SeniorArkansas Dolphins Swim TeamAR · CENTRAL
SeasonUSA Swimming season runs Sept – Aug
Event
2015–16
2016–17
2017–18
2018–19
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
34.41
—
31.32
▲ 3.09
31.27
▲ 0.05
29.39
▲ 1.88
29.65
▼ 0.26
—
28.26
▲ 1.39
—
—
100 Free LCM
1:17.38
1:13.15
▲ 4.23
1:08.41
▲ 4.74
1:07.74
▲ 0.67
1:02.91
▲ 4.83
1:03.27
▼ 0.36
1:01.63
▲ 1.64
1:04.18
▼ 2.55
—
—
200 Free LCM
—
2:34.34
2:27.17
▲ 7.17
2:25.54
▲ 1.63
2:15.32
▲ 10.22
2:12.28
▲ 3.04
2:11.38
▲ 0.90
2:09.62
▲ 1.76
—
—
400 Free LCM
—
—
5:08.81
—
—
—
—
—
—
—
50 Back LCM
40.70
38.17
▲ 2.53
36.45
▲ 1.72
—
—
—
—
—
—
—
100 Back LCM
1:26.38
1:22.33
▲ 4.05
1:20.96
▲ 1.37
—
—
—
1:12.70
▲ 8.26
1:15.60
▼ 2.90
1:12.14
▲ 3.46
1:11.21
▲ 0.93
200 Back LCM
—
2:56.92
2:50.23
▲ 6.69
2:53.98
▼ 3.75
—
—
2:38.23
▲ 15.75
2:32.62
▲ 5.61
—
—
50 Breast LCM
44.73
41.81
▲ 2.92
39.08
▲ 2.73
—
36.51
▲ 2.57
—
35.98
▲ 0.53
—
—
—
100 Breast LCM
1:36.66
1:29.68
▲ 6.98
1:24.05
▲ 5.63
1:20.91
▲ 3.14
1:18.71
▲ 2.20
1:16.92
▲ 1.79
1:14.16
▲ 2.76
1:14.49
▼ 0.33
1:14.92
▼ 0.43
—
200 Breast LCM
—
3:05.93
3:01.66
▲ 4.27
2:55.18
▲ 6.48
2:45.32
▲ 9.86
2:43.29
▲ 2.03
2:38.52
▲ 4.77
2:38.58
▼ 0.06
—
2:46.50
▼ 7.92
50 Fly LCM
43.32
—
37.45
▲ 5.87
—
—
—
—
—
—
—
100 Fly LCM
—
1:26.67
1:25.84
▲ 0.83
—
—
—
1:09.98
▲ 15.86
1:07.66
▲ 2.32
—
—
200 Fly LCM
—
—
—
3:12.87
—
—
—
—
—
—
200 IM LCM
3:03.55
2:49.31
▲ 14.24
2:48.81
▲ 0.50
2:43.34
▲ 5.47
2:30.32
▲ 13.02
2:36.64
▼ 6.32
2:25.03
▲ 11.61
2:25.72
▼ 0.69
2:27.00
▼ 1.28
—
400 IM LCM
—
—
5:59.05
5:47.90
▲ 11.15
—
—
—
—
—
—
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.