Swimmer profile
Justin Jarczynski
Male17-18Rockville Montgomery Swim ClubPV · EASTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2016–17
2017–18
2018–19
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
39.27
35.89
▲ 3.38
—
32.17
▲ 3.72
29.35
▲ 2.82
—
—
—
—
100 Free LCM
1:31.33
1:20.25
▲ 11.08
—
1:06.97
▲ 13.28
1:02.51
▲ 4.46
—
—
—
—
200 Free LCM
—
—
2:47.06
2:20.52
▲ 26.54
2:10.99
▲ 9.53
—
2:03.76
▲ 7.23
2:02.23
▲ 1.53
2:01.75
▲ 0.48
400 Free LCM
—
—
—
—
4:29.95
4:19.22
▲ 10.73
4:17.81
▲ 1.41
4:15.98
▲ 1.83
4:16.96
▼ 0.98
800 Free LCM
—
—
—
—
9:38.35
8:51.44
▲ 46.91
8:51.64
▼ 0.20
8:48.83
▲ 2.81
—
1500 Free LCM
—
—
—
—
17:32.65
16:48.95
▲ 43.70
16:59.66
▼ 10.71
16:42.44
▲ 17.22
—
50 Back LCM
49.26
43.34
▲ 5.92
40.79
▲ 2.55
—
—
—
—
—
—
100 Back LCM
—
1:28.03
1:26.49
▲ 1.54
1:16.32
▲ 10.17
—
—
—
—
—
200 Back LCM
—
—
—
—
2:29.35
2:22.53
▲ 6.82
2:22.09
▲ 0.44
—
2:22.36
▼ 0.27
50 Breast LCM
1:00.83
50.13
▲ 10.70
—
—
—
—
—
—
—
100 Breast LCM
—
—
—
—
—
1:20.61
—
—
1:16.26
▲ 4.35
200 Breast LCM
—
—
—
—
2:58.82
—
2:44.52
▲ 14.30
—
2:43.10
▲ 1.42
50 Fly LCM
50.96
38.99
▲ 11.97
37.90
▲ 1.09
—
—
—
—
—
—
100 Fly LCM
—
1:31.07
1:30.04
▲ 1.03
1:10.98
▲ 19.06
1:06.15
▲ 4.83
1:03.36
▲ 2.79
1:03.07
▲ 0.29
1:03.37
▼ 0.30
—
200 Fly LCM
—
—
—
2:32.89
2:23.95
▲ 8.94
2:15.74
▲ 8.21
2:16.46
▼ 0.72
2:11.35
▲ 5.11
2:11.99
▼ 0.64
200 IM LCM
—
3:09.39
3:09.33
▲ 0.06
2:43.92
▲ 25.41
—
2:23.69
▲ 20.23
2:21.95
▲ 1.74
2:19.18
▲ 2.77
2:19.88
▼ 0.70
400 IM LCM
—
—
—
5:37.42
5:15.39
▲ 22.03
4:58.74
▲ 16.65
4:49.02
▲ 9.72
4:44.50
▲ 4.52
4:53.79
▼ 9.29
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.