Swimmer profile
Grace Koenig-Song
Female15-16NASA Wildcat AquaticsIL · CENTRAL
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
37.35
32.22
▲ 5.13
28.56
▲ 3.66
27.73
▲ 0.83
26.79
▲ 0.94
26.26
▲ 0.53
27.00
▼ 0.74
26.39
▲ 0.61
100 Free LCM
1:24.76
1:12.51
▲ 12.25
1:01.96
▲ 10.55
59.87
▲ 2.09
59.15
▲ 0.72
58.13
▲ 1.02
58.05
▲ 0.08
59.95
▼ 1.90
200 Free LCM
—
2:39.04
2:16.86
▲ 22.18
2:10.81
▲ 6.05
2:11.18
▼ 0.37
2:10.19
▲ 0.99
2:07.39
▲ 2.80
2:17.05
▼ 9.66
400 Free LCM
—
5:49.55
4:59.82
▲ 49.73
4:37.98
▲ 21.84
4:39.44
▼ 1.46
—
4:46.07
▼ 6.63
4:43.31
▲ 2.76
800 Free LCM
—
—
—
—
9:47.44
—
—
—
1500 Free LCM
—
—
19:37.43
—
—
—
—
—
50 Back LCM
45.70
40.11
▲ 5.59
34.16
▲ 5.95
31.82
▲ 2.34
—
—
—
34.29
▼ 2.47
100 Back LCM
1:40.28
1:23.35
▲ 16.93
1:12.20
▲ 11.15
1:09.84
▲ 2.36
1:07.84
▲ 2.00
1:09.56
▼ 1.72
1:08.84
▲ 0.72
1:11.63
▼ 2.79
200 Back LCM
—
—
2:38.72
—
2:25.88
▲ 12.84
2:25.83
▲ 0.05
—
—
50 Breast LCM
50.66
41.06
▲ 9.60
35.44
▲ 5.62
34.97
▲ 0.47
33.51
▲ 1.46
31.80
▲ 1.71
32.43
▼ 0.63
32.51
▼ 0.08
100 Breast LCM
1:47.11
1:31.20
▲ 15.91
1:19.07
▲ 12.13
1:17.29
▲ 1.78
1:10.53
▲ 6.76
1:09.80
▲ 0.73
1:09.14
▲ 0.66
1:11.11
▼ 1.97
200 Breast LCM
—
—
2:51.21
2:51.57
▼ 0.36
2:31.77
▲ 19.80
2:32.41
▼ 0.64
2:32.42
▼ 0.01
2:35.16
▼ 2.74
50 Fly LCM
—
35.61
30.63
▲ 4.98
29.35
▲ 1.28
—
—
29.39
▼ 0.04
29.48
▼ 0.09
100 Fly LCM
—
1:26.57
1:08.91
▲ 17.66
1:05.51
▲ 3.40
1:05.28
▲ 0.23
1:08.86
▼ 3.58
1:03.74
▲ 5.12
1:03.79
▼ 0.05
200 Fly LCM
—
—
—
2:46.67
—
—
—
—
200 IM LCM
—
2:58.18
2:33.84
▲ 24.34
2:27.35
▲ 6.49
2:21.93
▲ 5.42
2:19.33
▲ 2.60
2:20.32
▼ 0.99
2:20.64
▼ 0.32
400 IM LCM
—
—
5:33.52
5:17.00
▲ 16.52
5:06.84
▲ 10.16
5:01.64
▲ 5.20
5:01.24
▲ 0.40
5:01.09
▲ 0.15
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.