Swimmer profile
Marshall Anderson
Male13-14North Jeffco Swim TeamCO · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2024–25
2025–26
50 Free LCM
31.70
29.58
▲ 2.12
100 Free LCM
1:10.78
1:03.73
▲ 7.05
200 Free LCM
2:33.95
2:14.90
▲ 19.05
400 Free LCM
5:22.99
4:50.37
▲ 32.62
800 Free LCM
11:21.28
10:20.74
▲ 60.54
1500 Free LCM
—
18:53.80
50 Back LCM
37.85
—
100 Back LCM
1:24.70
1:22.07
▲ 2.63
200 Back LCM
3:08.75
2:45.19
▲ 23.56
50 Breast LCM
48.22
—
100 Breast LCM
—
1:25.95
200 Breast LCM
—
3:18.80
50 Fly LCM
36.27
—
100 Fly LCM
1:18.52
1:10.53
▲ 7.99
200 Fly LCM
—
2:35.82
200 IM LCM
3:01.46
2:38.03
▲ 23.43
400 IM LCM
6:15.25
5:29.38
▲ 45.87
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.