Swimmer profile
Bo Hallenborg
Male13-14Marlins Of RaleighNC · SOUTHERN
SeasonUSA Swimming season runs Sept – Aug
Event
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
45.84
34.58
▲ 11.26
32.01
▲ 2.57
30.19
▲ 1.82
27.02
▲ 3.17
26.12
▲ 0.90
100 Free LCM
1:41.23
1:17.19
▲ 24.04
1:12.00
▲ 5.19
1:04.25
▲ 7.75
59.78
▲ 4.47
57.18
▲ 2.60
200 Free LCM
3:36.67
2:46.26
▲ 50.41
2:34.66
▲ 11.60
2:20.98
▲ 13.68
2:13.23
▲ 7.75
2:04.15
▲ 9.08
400 Free LCM
—
6:24.94
5:32.06
▲ 52.88
5:07.72
▲ 24.34
4:49.19
▲ 18.53
4:29.45
▲ 19.74
50 Back LCM
51.56
38.81
▲ 12.75
35.92
▲ 2.89
32.66
▲ 3.26
30.02
▲ 2.64
—
100 Back LCM
—
1:25.65
1:18.06
▲ 7.59
1:11.35
▲ 6.71
1:04.78
▲ 6.57
1:01.77
▲ 3.01
200 Back LCM
—
—
—
2:37.31
2:25.70
▲ 11.61
2:16.90
▲ 8.80
50 Breast LCM
—
52.90
51.22
▲ 1.68
43.54
▲ 7.68
39.24
▲ 4.30
—
100 Breast LCM
—
—
1:46.22
—
1:29.19
▲ 17.03
—
200 Breast LCM
—
—
—
—
—
3:01.64
50 Fly LCM
55.34
40.58
▲ 14.76
37.78
▲ 2.80
33.19
▲ 4.59
31.01
▲ 2.18
—
100 Fly LCM
—
1:38.26
1:27.45
▲ 10.81
1:20.21
▲ 7.24
1:12.60
▲ 7.61
1:04.78
▲ 7.82
200 Fly LCM
—
—
—
—
—
2:40.98
200 IM LCM
—
3:14.54
3:01.50
▲ 13.04
2:48.41
▲ 13.09
2:37.20
▲ 11.21
2:27.50
▲ 9.70
400 IM LCM
—
—
—
6:04.88
—
—
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.