Swimmer profile
Mackenzie Byrne
FemaleOpen / SeniorSun Valley 5 BSR · WESTERNCollege athlete · University of WashingtonD1
SeasonUSA Swimming season runs Sept – Aug
Event
2017–18
2018–19
2019–20
2020–21
2021–22
2024–25
2025–26
50 Free SCY
33.25
29.86
▲ 3.39
26.70
▲ 3.16
25.42
▲ 1.28
25.38
▲ 0.04
24.09
▲ 1.29
24.01
▲ 0.08
100 Free SCY
1:14.49
1:06.51
▲ 7.98
59.95
▲ 6.56
56.66
▲ 3.29
58.00
▼ 1.34
52.85
▲ 5.15
52.77
▲ 0.08
200 Free SCY
2:45.21
2:28.80
▲ 16.41
2:10.51
▲ 18.29
2:01.61
▲ 8.90
2:07.70
▼ 6.09
—
—
500 Free SCY
—
6:34.86
6:08.16
▲ 26.70
5:29.19
▲ 38.97
5:35.44
▼ 6.25
—
—
1650 Free SCY
—
—
—
20:36.07
—
—
—
50 Back SCY
39.51
36.47
▲ 3.04
34.34
▲ 2.13
32.96
▲ 1.38
30.34
▲ 2.62
—
—
100 Back SCY
1:22.22
1:18.82
▲ 3.40
1:09.23
▲ 9.59
1:07.51
▲ 1.72
1:07.88
▼ 0.37
—
—
200 Back SCY
—
—
2:30.63
2:36.54
▼ 5.91
—
—
—
50 Breast SCY
42.89
41.32
▲ 1.57
39.94
▲ 1.38
38.40
▲ 1.54
36.15
▲ 2.25
—
—
100 Breast SCY
1:40.47
1:30.34
▲ 10.13
1:26.69
▲ 3.65
1:21.47
▲ 5.22
1:18.32
▲ 3.15
—
—
200 Breast SCY
3:30.54
3:21.28
▲ 9.26
—
2:56.25
▲ 25.03
—
—
—
50 Fly SCY
37.89
31.74
▲ 6.15
30.11
▲ 1.63
29.23
▲ 0.88
27.02
▲ 2.21
—
—
100 Fly SCY
—
—
1:05.24
1:00.79
▲ 4.45
59.01
▲ 1.78
57.99
▲ 1.02
—
200 Fly SCY
—
—
2:30.43
2:18.75
▲ 11.68
2:10.16
▲ 8.59
—
—
100 IM SCY
1:30.18
1:19.13
▲ 11.05
1:13.41
▲ 5.72
—
1:04.25
▲ 9.16
—
—
200 IM SCY
3:03.03
2:45.29
▲ 17.74
2:35.78
▲ 9.51
2:21.10
▲ 14.68
2:23.10
▼ 2.00
—
—
400 IM SCY
—
—
5:38.75
5:07.21
▲ 31.54
5:13.18
▼ 5.97
—
—
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.