Swimmer profile
Bella Derby
FemaleOpen / SeniorHouston Bridge BatsGU · SOUTHERN
SeasonUSA Swimming season runs Sept – Aug
Event
2017–18
2018–19
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
—
30.56
29.37
▲ 1.19
29.81
▼ 0.44
—
29.05
▲ 0.76
31.40
▼ 2.35
30.25
▲ 1.15
100 Free LCM
1:18.52
1:05.16
▲ 13.36
1:04.26
▲ 0.90
1:06.20
▼ 1.94
—
1:01.51
▲ 4.69
—
—
200 Free LCM
—
—
2:26.02
2:30.21
▼ 4.19
—
2:21.29
▲ 8.92
2:26.92
▼ 5.63
2:21.43
▲ 5.49
400 Free LCM
5:56.89
5:36.39
▲ 20.50
5:17.74
▲ 18.65
—
—
—
—
5:07.97
▲ 9.77
50 Back LCM
—
37.54
—
—
33.10
▲ 4.44
32.37
▲ 0.73
34.40
▼ 2.03
35.34
▼ 0.94
100 Back LCM
1:37.59
1:19.48
▲ 18.11
1:15.80
▲ 3.68
1:15.88
▼ 0.08
1:09.52
▲ 6.36
1:07.71
▲ 1.81
1:10.29
▼ 2.58
1:15.52
▼ 5.23
200 Back LCM
—
—
3:00.88
—
—
2:28.13
▲ 32.75
2:43.15
▼ 15.02
2:49.27
▼ 6.12
50 Breast LCM
—
45.73
—
—
—
—
—
—
100 Breast LCM
1:51.94
1:37.73
▲ 14.21
1:44.56
▼ 6.83
—
—
—
—
—
200 Breast LCM
—
—
3:51.67
—
—
—
—
—
50 Fly LCM
39.18
32.79
▲ 6.39
—
31.26
▲ 1.53
—
30.49
▲ 0.77
32.16
▼ 1.67
31.31
▲ 0.85
100 Fly LCM
1:24.88
1:14.20
▲ 10.68
1:10.14
▲ 4.06
1:12.88
▼ 2.74
—
1:08.29
▲ 4.59
1:11.40
▼ 3.11
1:11.43
▼ 0.03
200 Fly LCM
—
—
2:59.91
—
—
—
—
—
200 IM LCM
—
3:01.05
3:00.39
▲ 0.66
—
—
—
—
—
400 IM LCM
—
—
6:16.38
—
—
—
—
—
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.