Swimmer profile
Ronan Hefferan
Male17-18Ridley Area YMCA StingraysMA · EASTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free SCY
29.52
27.86
▲ 1.66
25.89
▲ 1.97
25.41
▲ 0.48
24.99
▲ 0.42
100 Free SCY
1:05.66
59.62
▲ 6.04
55.93
▲ 3.69
54.34
▲ 1.59
54.46
▼ 0.12
200 Free SCY
—
—
2:01.26
—
—
500 Free SCY
—
—
—
5:26.75
5:21.28
▲ 5.47
1000 Free SCY
—
—
11:45.02
—
—
50 Back SCY
32.00
—
27.90
▲ 4.10
26.96
▲ 0.94
25.66
▲ 1.30
100 Back SCY
1:10.07
1:04.20
▲ 5.87
57.80
▲ 6.40
56.37
▲ 1.43
55.59
▲ 0.78
200 Back SCY
—
2:23.45
2:03.28
▲ 20.17
2:03.66
▼ 0.38
2:00.12
▲ 3.54
50 Breast SCY
40.72
—
—
—
—
100 Breast SCY
1:24.21
1:16.45
▲ 7.76
1:13.31
▲ 3.14
1:12.08
▲ 1.23
1:09.76
▲ 2.32
200 Breast SCY
—
2:47.73
2:40.29
▲ 7.44
2:28.67
▲ 11.62
—
100 Fly SCY
—
—
—
1:02.20
58.60
▲ 3.60
200 Fly SCY
—
—
2:54.32
2:26.72
▲ 27.60
—
200 IM SCY
—
2:24.91
2:11.17
▲ 13.74
2:07.44
▲ 3.73
2:05.21
▲ 2.23
400 IM SCY
—
—
4:51.86
4:30.33
▲ 21.53
4:27.53
▲ 2.80
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.