Swimmer profile
Josiah March
MaleOpen / SeniorAquajets Swim TeamMN · CENTRALCollege athlete · Johns Hopkins UniversityD3
SeasonUSA Swimming season runs Sept – Aug
Event
2012–13
2013–14
2014–15
2015–16
2016–17
2017–18
2018–19
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
43.28
38.52
▲ 4.76
34.59
▲ 3.93
32.63
▲ 1.96
30.61
▲ 2.02
28.78
▲ 1.83
28.04
▲ 0.74
27.56
▲ 0.48
—
26.10
▲ 1.46
—
—
—
100 Free LCM
1:35.90
1:33.00
▲ 2.90
1:17.74
▲ 15.26
1:10.00
▲ 7.74
1:06.91
▲ 3.09
1:03.25
▲ 3.66
1:01.65
▲ 1.60
59.57
▲ 2.08
57.45
▲ 2.12
56.89
▲ 0.56
55.27
▲ 1.62
54.27
▲ 1.00
—
200 Free LCM
—
—
2:52.24
2:34.99
▲ 17.25
2:31.68
▲ 3.31
2:18.96
▲ 12.72
2:14.05
▲ 4.91
2:02.99
▲ 11.06
2:00.57
▲ 2.42
1:56.60
▲ 3.97
1:55.90
▲ 0.70
1:55.93
▼ 0.03
1:59.73
▼ 3.80
400 Free LCM
—
—
—
—
5:24.96
5:11.29
▲ 13.67
—
4:19.87
▲ 51.42
4:13.25
▲ 6.62
4:06.61
▲ 6.64
4:05.66
▲ 0.95
4:04.07
▲ 1.59
4:14.60
▼ 10.53
800 Free LCM
—
—
—
—
—
—
—
—
9:09.21
8:36.77
▲ 32.44
8:34.56
▲ 2.21
8:26.96
▲ 7.60
9:24.83
▼ 57.87
1500 Free LCM
—
—
—
—
—
—
—
—
—
—
16:46.41
—
—
50 Back LCM
49.71
48.73
▲ 0.98
40.94
▲ 7.79
37.52
▲ 3.42
35.54
▲ 1.98
34.02
▲ 1.52
32.02
▲ 2.00
—
—
—
—
—
—
100 Back LCM
—
—
1:31.17
1:20.83
▲ 10.34
1:17.38
▲ 3.45
1:14.92
▲ 2.46
1:09.18
▲ 5.74
1:04.18
▲ 5.00
1:02.31
▲ 1.87
1:02.26
▲ 0.05
1:00.87
▲ 1.39
1:00.40
▲ 0.47
—
200 Back LCM
—
—
—
—
—
2:37.00
2:30.88
▲ 6.12
2:17.43
▲ 13.45
2:15.31
▲ 2.12
2:13.65
▲ 1.66
2:10.25
▲ 3.40
2:09.18
▲ 1.07
2:15.39
▼ 6.21
50 Breast LCM
—
—
53.07
50.95
▲ 2.12
46.41
▲ 4.54
40.42
▲ 5.99
—
—
—
—
—
—
—
100 Breast LCM
—
—
1:57.72
1:48.19
▲ 9.53
1:38.47
▲ 9.72
1:28.38
▲ 10.09
—
1:23.62
▲ 4.76
—
—
—
—
—
50 Fly LCM
58.52
—
40.31
▲ 18.21
38.81
▲ 1.50
35.28
▲ 3.53
33.47
▲ 1.81
—
—
—
—
—
—
—
100 Fly LCM
—
—
1:36.12
1:29.87
▲ 6.25
1:20.13
▲ 9.74
1:16.11
▲ 4.02
1:10.08
▲ 6.03
1:04.11
▲ 5.97
1:03.69
▲ 0.42
—
—
—
—
200 IM LCM
—
—
3:24.42
2:58.57
▲ 25.85
2:51.89
▲ 6.68
2:38.01
▲ 13.88
2:33.39
▲ 4.62
2:18.58
▲ 14.81
2:18.59
▼ 0.01
2:15.93
▲ 2.66
—
—
—
400 IM LCM
—
—
—
—
—
—
—
5:06.90
4:50.75
▲ 16.15
4:54.83
▼ 4.08
—
—
—
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.