Swimmer profile
Marcus Stefan
Male11-12TEAMGOLDUSASN · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2023–24
2024–25
2025–26
50 Free LCM
—
35.87
32.04
▲ 3.83
100 Free LCM
1:38.23
1:19.70
▲ 18.53
1:13.85
▲ 5.85
200 Free LCM
3:38.76
2:45.87
▲ 52.89
—
400 Free LCM
—
5:54.00
5:39.91
▲ 14.09
800 Free LCM
—
12:49.46
12:41.04
▲ 8.42
1500 Free LCM
—
—
24:18.46
50 Back LCM
52.21
40.12
▲ 12.09
—
100 Back LCM
1:59.80
1:31.16
▲ 28.64
1:26.19
▲ 4.97
200 Back LCM
—
—
3:18.81
50 Breast LCM
—
53.45
45.45
▲ 8.00
100 Breast LCM
2:35.89
1:56.09
▲ 39.80
1:44.16
▲ 11.93
200 Breast LCM
—
—
3:33.71
50 Fly LCM
—
39.65
34.35
▲ 5.30
100 Fly LCM
—
1:24.48
1:22.18
▲ 2.30
200 Fly LCM
—
—
3:16.86
200 IM LCM
—
3:18.54
3:03.56
▲ 14.98
400 IM LCM
—
—
6:31.46
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.