Swimmer profile
Jacob Callahan
Male17-18FASTAZ · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2017–18
2018–19
2021–22
2022–23
2025–26
50 Free LCM
37.35
36.11
▲ 1.24
30.71
▲ 5.40
28.46
▲ 2.25
26.10
▲ 2.36
100 Free LCM
1:26.89
1:18.16
▲ 8.73
1:03.76
▲ 14.40
1:01.23
▲ 2.53
54.81
▲ 6.42
200 Free LCM
3:06.37
2:46.06
▲ 20.31
2:16.34
▲ 29.72
2:10.77
▲ 5.57
2:01.52
▲ 9.25
400 Free LCM
6:35.08
6:06.28
▲ 28.80
4:49.82
▲ 76.46
4:38.43
▲ 11.39
4:25.60
▲ 12.83
800 Free LCM
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—
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9:44.51
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1500 Free LCM
—
—
18:51.09
—
—
50 Back LCM
44.95
42.43
▲ 2.52
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—
—
100 Back LCM
1:39.38
1:31.08
▲ 8.30
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—
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50 Breast LCM
55.84
51.02
▲ 4.82
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—
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50 Fly LCM
46.13
40.98
▲ 5.15
34.43
▲ 6.55
31.99
▲ 2.44
29.35
▲ 2.64
100 Fly LCM
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1:43.44
1:11.51
▲ 31.93
1:06.49
▲ 5.02
1:03.00
▲ 3.49
200 Fly LCM
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—
2:51.99
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200 IM LCM
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3:24.96
2:39.75
▲ 45.21
2:40.49
▼ 0.74
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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.