Swimmer profile
Markos Mastronikolas
Male15-16Rockville Montgomery Swim ClubPV · EASTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
33.47
30.90
▲ 2.57
26.83
▲ 4.07
26.15
▲ 0.68
25.61
▲ 0.54
100 Free LCM
1:19.71
1:05.19
▲ 14.52
59.07
▲ 6.12
57.20
▲ 1.87
56.64
▲ 0.56
200 Free LCM
—
2:23.30
2:09.70
▲ 13.60
2:04.75
▲ 4.95
2:02.45
▲ 2.30
400 Free LCM
—
5:07.69
—
4:28.73
▲ 38.96
4:20.11
▲ 8.62
50 Back LCM
42.36
36.68
▲ 5.68
—
—
—
100 Back LCM
—
—
1:12.19
1:10.11
▲ 2.08
1:08.88
▲ 1.23
200 Back LCM
—
—
2:36.74
—
2:28.48
▲ 8.26
50 Breast LCM
53.15
44.43
▲ 8.72
—
—
—
50 Fly LCM
42.81
33.47
▲ 9.34
—
28.18
▲ 5.29
27.56
▲ 0.62
100 Fly LCM
—
—
1:06.40
1:02.94
▲ 3.46
1:03.15
▼ 0.21
200 Fly LCM
—
—
—
—
2:18.90
200 IM LCM
3:11.84
2:45.51
▲ 26.33
2:29.83
▲ 15.68
2:22.45
▲ 7.38
2:22.58
▼ 0.13
400 IM LCM
—
—
—
—
5:03.97
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.