Swimmer profile
Leif Cox
Male13-14North Jeffco Swim TeamCO · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free SCY
35.38
29.75
▲ 5.63
28.37
▲ 1.38
25.99
▲ 2.38
24.48
▲ 1.51
100 Free SCY
1:22.62
1:08.36
▲ 14.26
1:02.58
▲ 5.78
56.80
▲ 5.78
53.45
▲ 3.35
200 Free SCY
3:12.17
2:39.76
▲ 32.41
2:22.79
▲ 16.97
2:07.53
▲ 15.26
1:59.22
▲ 8.31
500 Free SCY
—
6:51.79
6:24.51
▲ 27.28
5:51.87
▲ 32.64
5:15.11
▲ 36.76
1000 Free SCY
—
—
—
—
11:54.28
1650 Free SCY
—
—
—
—
19:01.45
50 Back SCY
45.62
39.21
▲ 6.41
36.60
▲ 2.61
33.75
▲ 2.85
29.15
▲ 4.60
100 Back SCY
1:42.64
1:28.17
▲ 14.47
1:15.03
▲ 13.14
1:07.37
▲ 7.66
1:01.70
▲ 5.67
200 Back SCY
—
—
2:40.18
2:26.69
▲ 13.49
2:14.44
▲ 12.25
50 Breast SCY
47.36
43.07
▲ 4.29
40.83
▲ 2.24
38.40
▲ 2.43
—
100 Breast SCY
1:56.07
1:36.82
▲ 19.25
1:29.41
▲ 7.41
1:22.60
▲ 6.81
—
200 Breast SCY
—
—
—
—
2:42.34
50 Fly SCY
46.74
35.03
▲ 11.71
32.24
▲ 2.79
30.39
▲ 1.85
27.31
▲ 3.08
100 Fly SCY
—
1:36.45
1:15.06
▲ 21.39
1:07.29
▲ 7.77
1:01.15
▲ 6.14
200 Fly SCY
—
—
—
2:41.48
2:24.92
▲ 16.56
100 IM SCY
1:43.82
1:16.60
▲ 27.22
1:13.89
▲ 2.71
1:08.74
▲ 5.15
—
200 IM SCY
—
3:19.63
2:39.49
▲ 40.14
2:37.49
▲ 2.00
2:16.37
▲ 21.12
400 IM SCY
—
—
—
—
4:54.28
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.