Swimmer profile
Billie Koehler
FemaleOpen / SeniorDenver Swim AcademyCO · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2015–16
2016–17
2017–18
2018–19
2020–21
2021–22
2022–23
2023–24
50 Free LCM
37.65
35.38
▲ 2.27
32.81
▲ 2.57
32.09
▲ 0.72
32.91
▼ 0.82
—
—
—
100 Free LCM
1:29.12
1:17.24
▲ 11.88
1:08.10
▲ 9.14
1:09.02
▼ 0.92
—
1:03.72
▲ 5.30
1:03.41
▲ 0.31
—
200 Free LCM
3:15.76
2:43.94
▲ 31.82
2:30.53
▲ 13.41
2:21.96
▲ 8.57
2:17.33
▲ 4.63
2:17.06
▲ 0.27
2:14.01
▲ 3.05
2:29.47
▼ 15.46
400 Free LCM
—
5:55.57
5:12.25
▲ 43.32
4:59.54
▲ 12.71
4:44.96
▲ 14.58
4:49.76
▼ 4.80
4:47.99
▲ 1.77
—
800 Free LCM
—
—
—
10:12.05
9:49.66
▲ 22.39
9:50.66
▼ 1.00
9:48.31
▲ 2.35
10:12.73
▼ 24.42
1500 Free LCM
—
—
20:34.63
19:19.70
▲ 74.93
18:33.05
▲ 46.65
18:50.60
▼ 17.55
18:43.80
▲ 6.80
19:19.79
▼ 35.99
100 Back LCM
—
—
1:27.25
—
1:16.75
▲ 10.50
—
1:15.07
▲ 1.68
—
200 Back LCM
—
—
—
2:54.34
2:42.11
▲ 12.23
2:34.48
▲ 7.63
2:36.89
▼ 2.41
—
100 Breast LCM
—
—
1:42.46
1:40.32
▲ 2.14
—
—
—
—
200 Breast LCM
—
—
—
—
—
—
3:28.82
—
50 Fly LCM
39.90
38.42
▲ 1.48
36.08
▲ 2.34
—
—
—
—
—
100 Fly LCM
1:28.89
1:23.29
▲ 5.60
1:16.07
▲ 7.22
1:14.07
▲ 2.00
1:16.02
▼ 1.95
1:10.99
▲ 5.03
1:11.83
▼ 0.84
—
200 Fly LCM
—
3:05.19
2:58.82
▲ 6.37
2:42.55
▲ 16.27
—
2:42.38
▲ 0.17
2:37.40
▲ 4.98
2:44.67
▼ 7.27
200 IM LCM
3:33.65
—
2:52.40
▲ 41.25
2:52.56
▼ 0.16
—
—
2:46.74
▲ 5.82
—
400 IM LCM
—
6:41.58
6:03.41
▲ 38.17
6:20.47
▼ 17.06
5:55.32
▲ 25.15
—
—
—
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.