Swimmer profile
Lucas Ritsema
Male17-18Byron CenterMI · CENTRAL
SeasonUSA Swimming season runs Sept – Aug
Event
2018–19
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
39.55
—
28.50
▲ 11.05
26.62
▲ 1.88
25.61
▲ 1.01
24.86
▲ 0.75
24.58
▲ 0.28
100 Free LCM
1:43.00
1:16.58
▲ 26.42
1:09.96
▲ 6.62
59.99
▲ 9.97
1:00.36
▼ 0.37
55.76
▲ 4.60
57.74
▼ 1.98
200 Free LCM
—
—
2:35.18
2:19.24
▲ 15.94
—
2:13.17
▲ 6.07
—
50 Back LCM
54.01
—
—
—
—
—
33.81
▲ 20.20
100 Back LCM
—
1:35.98
—
—
—
—
1:17.26
▲ 18.72
50 Breast LCM
—
—
—
37.86
34.66
▲ 3.20
31.91
▲ 2.75
33.93
▼ 2.02
100 Breast LCM
—
—
—
1:26.82
1:25.00
▲ 1.82
1:20.05
▲ 4.95
1:16.77
▲ 3.28
50 Fly LCM
—
—
36.78
30.84
▲ 5.94
29.32
▲ 1.52
27.38
▲ 1.94
27.96
▼ 0.58
100 Fly LCM
—
—
—
1:15.52
1:12.50
▲ 3.02
—
1:02.39
▲ 10.11
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.