Swimmer profile
Bo Hallenborg
Male13-14Marlins Of RaleighNC · SOUTHERN
SeasonUSA Swimming season runs Sept – Aug
Event
2019–20
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free SCY
43.80
38.33
▲ 5.47
31.58
▲ 6.75
28.86
▲ 2.72
27.13
▲ 1.73
24.35
▲ 2.78
22.65
▲ 1.70
100 Free SCY
1:38.14
1:34.81
▲ 3.33
1:09.34
▲ 25.47
1:01.99
▲ 7.35
57.76
▲ 4.23
53.62
▲ 4.14
49.64
▲ 3.98
200 Free SCY
3:46.31
—
2:36.19
▲ 70.12
2:15.49
▲ 20.70
2:05.57
▲ 9.92
2:00.78
▲ 4.79
1:49.18
▲ 11.60
500 Free SCY
—
—
—
6:42.01
—
5:20.32
▲ 81.69
4:55.03
▲ 25.29
1000 Free SCY
—
—
—
—
—
—
10:34.31
1650 Free SCY
—
—
—
—
—
—
18:35.27
50 Back SCY
—
46.63
39.33
▲ 7.30
32.29
▲ 7.04
29.19
▲ 3.10
26.89
▲ 2.30
25.72
▲ 1.17
100 Back SCY
—
—
1:23.01
1:08.71
▲ 14.30
1:03.33
▲ 5.38
58.08
▲ 5.25
54.04
▲ 4.04
200 Back SCY
—
—
—
—
2:28.67
2:09.61
▲ 19.06
1:57.67
▲ 11.94
50 Breast SCY
—
56.13
50.93
▲ 5.20
45.00
▲ 5.93
—
34.80
▲ 10.20
—
100 Breast SCY
—
—
1:46.02
1:36.68
▲ 9.34
1:26.19
▲ 10.49
1:21.11
▲ 5.08
1:09.79
▲ 11.32
50 Fly SCY
—
54.87
36.38
▲ 18.49
33.18
▲ 3.20
29.79
▲ 3.39
27.10
▲ 2.69
—
100 Fly SCY
—
—
1:25.63
1:18.34
▲ 7.29
1:11.51
▲ 6.83
1:00.11
▲ 11.40
56.34
▲ 3.77
200 Fly SCY
—
—
—
—
—
—
2:19.58
100 IM SCY
2:00.79
1:42.31
▲ 18.48
1:24.44
▲ 17.87
1:14.29
▲ 10.15
1:08.00
▲ 6.29
1:01.90
▲ 6.10
57.41
▲ 4.49
200 IM SCY
—
—
—
2:35.76
2:26.06
▲ 9.70
2:14.05
▲ 12.01
2:06.19
▲ 7.86
400 IM SCY
—
—
—
—
—
4:56.40
4:39.34
▲ 17.06
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.