Swimmer profile
Thomas Grieser
Male11-12Castle Rock SwimmingCO · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2022–23
2023–24
2024–25
2025–26
50 Free LCM
45.19
42.36
▲ 2.83
38.41
▲ 3.95
32.92
▲ 5.49
100 Free LCM
1:41.11
1:33.31
▲ 7.80
1:26.76
▲ 6.55
1:15.21
▲ 11.55
200 Free LCM
3:48.50
3:29.84
▲ 18.66
3:15.83
▲ 14.01
2:48.73
▲ 27.10
400 Free LCM
—
—
6:44.55
6:01.89
▲ 42.66
50 Back LCM
50.54
47.26
▲ 3.28
42.81
▲ 4.45
36.38
▲ 6.43
100 Back LCM
1:48.62
1:45.97
▲ 2.65
1:36.33
▲ 9.64
1:20.64
▲ 15.69
200 Back LCM
—
—
3:22.97
3:03.07
▲ 19.90
50 Breast LCM
1:23.02
1:00.01
▲ 23.01
49.70
▲ 10.31
46.75
▲ 2.95
100 Breast LCM
—
2:06.96
1:51.99
▲ 14.97
1:42.44
▲ 9.55
200 Breast LCM
—
—
—
3:34.15
50 Fly LCM
57.36
51.28
▲ 6.08
45.42
▲ 5.86
37.19
▲ 8.23
100 Fly LCM
2:37.18
2:04.19
▲ 32.99
1:50.54
▲ 13.65
1:30.09
▲ 20.45
200 Fly LCM
—
—
—
3:28.23
200 IM LCM
—
3:58.21
3:30.15
▲ 28.06
3:06.64
▲ 23.51
400 IM LCM
—
—
—
6:32.38
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.