Swimmer profile
John Jacobson
Male13-14Yankton Swim TeamSD · CENTRAL
SeasonUSA Swimming season runs Sept – Aug
Event
2018–19
2019–20
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free SCY
1:11.92
55.27
▲ 16.65
43.07
▲ 12.20
34.58
▲ 8.49
31.97
▲ 2.61
29.24
▲ 2.73
27.53
▲ 1.71
26.38
▲ 1.15
100 Free SCY
—
—
1:24.74
1:17.18
▲ 7.56
1:08.89
▲ 8.29
1:02.74
▲ 6.15
59.48
▲ 3.26
56.85
▲ 2.63
200 Free SCY
—
—
3:06.20
2:46.85
▲ 19.35
2:29.57
▲ 17.28
2:17.14
▲ 12.43
2:10.24
▲ 6.90
2:02.99
▲ 7.25
500 Free SCY
—
—
—
—
6:32.86
5:59.67
▲ 33.19
5:40.69
▲ 18.98
5:29.29
▲ 11.40
50 Back SCY
1:20.06
1:09.45
▲ 10.61
48.91
▲ 20.54
45.96
▲ 2.95
—
35.96
▲ 10.00
—
31.60
▲ 4.36
100 Back SCY
—
—
—
—
—
1:17.55
—
1:09.53
▲ 8.02
50 Breast SCY
—
—
58.06
48.35
▲ 9.71
40.86
▲ 7.49
37.71
▲ 3.15
37.25
▲ 0.46
35.58
▲ 1.67
100 Breast SCY
—
—
—
—
1:30.08
1:21.73
▲ 8.35
1:19.14
▲ 2.59
1:14.78
▲ 4.36
200 Breast SCY
—
—
—
—
—
—
2:53.95
2:43.90
▲ 10.05
50 Fly SCY
—
—
—
1:02.80
40.66
▲ 22.14
34.30
▲ 6.36
30.24
▲ 4.06
29.63
▲ 0.61
100 Fly SCY
—
—
—
—
—
1:16.03
1:07.05
▲ 8.98
1:03.88
▲ 3.17
100 IM SCY
—
—
—
1:30.68
1:18.96
▲ 11.72
1:10.84
▲ 8.12
1:08.00
▲ 2.84
1:05.21
▲ 2.79
200 IM SCY
—
—
—
—
2:47.78
2:34.01
▲ 13.77
2:25.92
▲ 8.09
2:18.17
▲ 7.75
400 IM SCY
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—
—
—
—
—
—
4:55.60
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.