Swimmer profile

Mark Zeng

Male11-12Tualatin Hills Swim ClubOR · WESTERN

PerformanceProgressionGoalsTime StandardsMeets
Short-Course YardsLong-Course Meters
SeasonUSA Swimming season runs Sept – Aug
Event
2024–25
2025–26
50 Free LCM
45.88
37.14
▲ 8.74
100 Free LCM
1:50.24
1:19.41
▲ 30.83
200 Free LCM
—
2:56.88
400 Free LCM
—
6:46.01
50 Back LCM
59.22
48.46
▲ 10.76
100 Back LCM
2:16.27
1:47.83
▲ 28.44
50 Breast LCM
1:02.63
—
100 Breast LCM
2:25.91
1:53.17
▲ 32.74
50 Fly LCM
58.46
41.51
▲ 16.95
100 Fly LCM
—
1:29.79
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.

50 Free LCM37.14PB
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100 Free LCM1:19.41PB
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200 Free LCM2:56.88PB
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400 Free LCM6:46.01PB
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50 Back LCM48.46PB
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100 Back LCM1:47.83PB
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50 Breast LCM1:02.63PB
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100 Breast LCM1:53.17PB
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50 Fly LCM41.51PB
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100 Fly LCM1:29.79PB
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