Swimmer profile
Zack Oswald
MaleOpen / SeniorIrish AquaticsIN · CENTRALCollege athlete · University of Notre DameD1
SeasonUSA Swimming season runs Sept – Aug
Event
2015–16
2017–18
2018–19
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
35.88
—
29.44
▲ 6.44
26.39
▲ 3.05
25.71
▲ 0.68
25.34
▲ 0.37
24.68
▲ 0.66
—
—
100 Free LCM
1:20.29
—
1:04.15
▲ 16.14
58.53
▲ 5.62
56.35
▲ 2.18
55.97
▲ 0.38
54.77
▲ 1.20
52.98
▲ 1.79
—
200 Free LCM
—
—
2:22.16
2:07.34
▲ 14.82
2:04.56
▲ 2.78
1:59.72
▲ 4.84
1:59.17
▲ 0.55
1:56.30
▲ 2.87
—
400 Free LCM
—
—
5:06.18
4:32.96
▲ 33.22
4:22.02
▲ 10.94
—
—
—
—
50 Back LCM
44.09
—
32.88
▲ 11.21
—
29.08
▲ 3.80
27.53
▲ 1.55
27.12
▲ 0.41
26.70
▲ 0.42
26.72
▼ 0.02
100 Back LCM
1:34.43
1:20.00
▲ 14.43
1:10.56
▲ 9.44
1:04.84
▲ 5.72
1:01.02
▲ 3.82
58.54
▲ 2.48
56.57
▲ 1.97
56.45
▲ 0.12
56.65
▼ 0.20
200 Back LCM
—
—
—
2:21.76
2:13.41
▲ 8.35
2:06.42
▲ 6.99
2:04.53
▲ 1.89
2:03.18
▲ 1.35
2:06.06
▼ 2.88
50 Breast LCM
54.27
—
—
—
—
—
—
—
—
100 Breast LCM
—
—
1:26.45
1:18.86
▲ 7.59
—
—
—
—
—
50 Fly LCM
42.05
34.71
▲ 7.34
31.82
▲ 2.89
—
—
27.00
▲ 4.82
—
25.73
▲ 1.27
—
100 Fly LCM
—
—
1:10.66
1:03.07
▲ 7.59
1:00.67
▲ 2.40
57.94
▲ 2.73
55.56
▲ 2.38
55.58
▼ 0.02
56.21
▼ 0.63
200 Fly LCM
—
—
—
—
—
2:10.45
—
—
—
200 IM LCM
—
—
—
2:21.96
2:15.95
▲ 6.01
2:10.20
▲ 5.75
2:09.54
▲ 0.66
—
2:15.06
▼ 5.52
400 IM LCM
—
—
—
—
4:49.16
4:45.42
▲ 3.74
—
—
—
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.