Swimmer profile
Mira Masson
Female13-14Old Dominion Aquatic ClubVA · EASTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2017–18
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
58.41
34.90
▲ 23.51
33.73
▲ 1.17
30.67
▲ 3.06
—
29.35
▲ 1.32
—
100 Free LCM
2:04.56
1:20.89
▲ 43.67
1:14.32
▲ 6.57
1:06.79
▲ 7.53
—
1:04.01
▲ 2.78
1:07.37
▼ 3.36
200 Free LCM
—
2:47.90
2:45.92
▲ 1.98
2:29.87
▲ 16.05
2:21.71
▲ 8.16
2:15.02
▲ 6.69
2:26.75
▼ 11.73
400 Free LCM
—
6:14.39
5:57.57
▲ 16.82
5:20.38
▲ 37.19
5:02.95
▲ 17.43
4:56.60
▲ 6.35
—
50 Back LCM
59.13
42.02
▲ 17.11
41.32
▲ 0.70
—
33.74
▲ 7.58
—
—
100 Back LCM
—
1:36.58
1:26.49
▲ 10.09
1:15.03
▲ 11.46
1:11.18
▲ 3.85
1:08.37
▲ 2.81
—
200 Back LCM
—
—
—
2:46.74
2:38.85
▲ 7.89
2:30.06
▲ 8.79
2:46.87
▼ 16.81
50 Breast LCM
—
48.29
46.66
▲ 1.63
43.02
▲ 3.64
—
—
—
100 Breast LCM
—
1:44.23
1:36.22
▲ 8.01
1:28.39
▲ 7.83
1:26.71
▲ 1.68
—
—
200 Breast LCM
—
—
3:31.21
3:13.19
▲ 18.02
3:01.49
▲ 11.70
—
—
50 Fly LCM
—
42.72
—
33.44
▲ 9.28
—
31.64
▲ 1.80
—
100 Fly LCM
—
1:40.65
1:36.07
▲ 4.58
1:13.92
▲ 22.15
1:08.96
▲ 4.96
1:06.65
▲ 2.31
1:14.16
▼ 7.51
200 Fly LCM
—
—
—
2:47.34
2:35.04
▲ 12.30
2:29.16
▲ 5.88
2:43.69
▼ 14.53
200 IM LCM
—
3:13.24
3:03.88
▲ 9.36
2:52.07
▲ 11.81
2:35.55
▲ 16.52
2:35.05
▲ 0.50
2:44.74
▼ 9.69
400 IM LCM
—
—
—
6:04.14
5:39.40
▲ 24.74
5:28.02
▲ 11.38
5:38.83
▼ 10.81
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.