Swimmer profile
Billie Koehler
FemaleOpen / SeniorDenver Swim AcademyCO · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2014–15
2015–16
2016–17
2017–18
2018–19
2019–20
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free SCY
—
34.54
32.64
▲ 1.90
29.71
▲ 2.93
28.13
▲ 1.58
—
—
—
—
27.48
▲ 0.65
26.66
▲ 0.82
—
100 Free SCY
1:27.96
1:17.06
▲ 10.90
1:11.09
▲ 5.97
1:00.99
▲ 10.10
59.26
▲ 1.73
57.50
▲ 1.76
57.53
▼ 0.03
56.64
▲ 0.89
56.12
▲ 0.52
58.55
▼ 2.43
1:02.10
▼ 3.55
58.66
▲ 3.44
200 Free SCY
—
—
2:25.79
2:15.86
▲ 9.93
2:03.38
▲ 12.48
2:03.13
▲ 0.25
2:14.58
▼ 11.45
2:00.25
▲ 14.33
1:58.86
▲ 1.39
1:56.23
▲ 2.63
1:54.57
▲ 1.66
1:56.30
▼ 1.73
500 Free SCY
—
—
6:45.83
5:38.37
▲ 67.46
5:32.22
▲ 6.15
5:20.46
▲ 11.76
5:16.61
▲ 3.85
5:16.06
▲ 0.55
5:14.07
▲ 1.99
5:07.82
▲ 6.25
5:04.39
▲ 3.43
5:13.22
▼ 8.83
1000 Free SCY
—
—
—
—
11:58.52
11:44.09
▲ 14.43
—
10:42.67
▲ 61.42
11:04.20
▼ 21.53
10:28.88
▲ 35.32
10:26.90
▲ 1.98
10:38.12
▼ 11.22
1650 Free SCY
—
—
—
—
19:19.12
19:05.51
▲ 13.61
17:52.62
▲ 72.89
17:52.44
▲ 0.18
17:54.10
▼ 1.66
17:31.84
▲ 22.26
17:27.98
▲ 3.86
17:44.91
▼ 16.93
100 Back SCY
—
—
1:23.78
1:15.90
▲ 7.88
1:10.93
▲ 4.97
—
1:12.23
▼ 1.30
1:07.04
▲ 5.19
—
—
—
—
200 Back SCY
—
—
—
—
2:33.34
—
—
—
2:16.68
▲ 16.66
—
—
—
50 Breast SCY
48.68
47.93
▲ 0.75
—
42.45
▲ 5.48
—
—
—
—
—
—
—
—
100 Breast SCY
—
—
—
1:29.12
1:30.29
▼ 1.17
—
1:28.15
▲ 2.14
—
—
—
—
—
200 Breast SCY
—
—
—
3:09.31
3:01.41
▲ 7.90
—
—
—
—
—
—
—
50 Fly SCY
42.15
38.00
▲ 4.15
34.17
▲ 3.83
30.68
▲ 3.49
—
—
—
—
—
—
32.23
▼ 1.55
—
100 Fly SCY
—
1:26.97
1:16.09
▲ 10.88
1:05.76
▲ 10.33
1:03.22
▲ 2.54
1:04.06
▼ 0.84
1:02.97
▲ 1.09
1:04.23
▼ 1.26
1:02.24
▲ 1.99
1:07.59
▼ 5.35
1:01.37
▲ 6.22
—
200 Fly SCY
—
—
—
2:30.87
2:25.32
▲ 5.55
2:21.06
▲ 4.26
2:18.06
▲ 3.00
2:22.58
▼ 4.52
2:20.49
▲ 2.09
2:12.98
▲ 7.51
2:09.07
▲ 3.91
2:09.33
▼ 0.26
100 IM SCY
1:34.67
1:25.86
▲ 8.81
1:18.25
▲ 7.61
1:15.07
▲ 3.18
—
—
—
—
—
—
—
—
200 IM SCY
—
3:12.58
2:51.59
▲ 20.99
2:32.29
▲ 19.30
2:30.61
▲ 1.68
—
2:35.11
▼ 4.50
—
—
—
—
—
400 IM SCY
—
—
—
5:31.86
5:03.35
▲ 28.51
5:10.62
▼ 7.27
—
—
—
—
—
—
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.