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CS
Chengyuan Song
15 · M · Alto Swim Club
PC #547
100 Back
54.24
AAA
200 Free
1:44.99
AAA
100 Free
55.64
AAA
+ Follow
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100 Back PROGRESSION
Getting faster
Orange dots mark personal records
Chengyuan's 100 Back progression
Line chart of times from 57.48 to 54.36.
53.97
56.66
59.35
1:02.03
1:04.72
RECENT ACTIVITY
Latest results
50 Back
2026 Far Western SC Hosted By · 4/12
24.53
AAA
▲ 1.41
50 Free
2026 Far Western SC Hosted By · 4/12
22.11
AAA
▲ 1.55
500 Free
2026 Far Western SC Hosted By · 4/11
4:49.57
AAA
–
200 Back
2026 Far Western SC Hosted By · 4/11
1:58.87
AAA
▲ 2.94
COMPARE
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RECENT MEETS
Last 3
2026 Far Western SC Hosted By
7 swims
2026-04-12
2025 Long Course Far Western C
6 swims
2025-08-03
2025 PC Novato CA/NV Speedo Se
4 swims
2025-07-20
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