Swimmer profile
Pierce Mathiason
Male15-16Watertown Area Swim ClubSD · CENTRAL
SeasonUSA Swimming season runs Sept – Aug
Event
2022–23
2023–24
2024–25
2025–26
50 Free LCM
44.58
31.64
▲ 12.94
29.71
▲ 1.93
27.40
▲ 2.31
100 Free LCM
1:56.36
1:10.97
▲ 45.39
1:03.48
▲ 7.49
1:00.23
▲ 3.25
200 Free LCM
4:17.42
2:41.36
▲ 96.06
2:20.83
▲ 20.53
2:21.85
▼ 1.02
400 Free LCM
—
5:57.97
5:27.69
▲ 30.28
5:16.21
▲ 11.48
800 Free LCM
—
—
11:47.29
11:22.28
▲ 25.01
1500 Free LCM
—
—
23:10.34
—
100 Back LCM
2:13.35
1:32.96
▲ 40.39
—
1:22.59
▲ 10.37
200 Back LCM
—
3:33.17
—
—
50 Breast LCM
—
—
—
33.71
100 Breast LCM
2:19.99
1:31.01
▲ 48.98
1:23.89
▲ 7.12
1:16.11
▲ 7.78
200 Breast LCM
—
3:24.16
3:11.32
▲ 12.84
3:05.20
▲ 6.12
200 IM LCM
—
3:12.45
2:51.72
▲ 20.73
—
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.