Kate Callahan

Age: 18 years old
Age Category: 17-18
Team: Tollefson Swimming | Potomac Valley Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Tollefson Swimming Potomac Valley Swimming Eastern Zone USA
Free 50 Y 30.28 18 11/14/2025 B BB: 29.09 (+1.19s | 3.9%) 5 330 1,000+ 1,000+
Free 100 Y 1:05.69 18 11/14/2025 B BB: 1:03.19 (+2.50s | 3.8%) 7 309 1,000+ 1,000+
50 Free
31.93
31.93
100 Free
33.76
1:05.69
100 Free
1:05.69
Free 500 Y 6:43.62 17 02/15/2025 B: 6:36.49 (+7.13s | 1.8%) 4 170 983 1,000+
50 Free
33.27
33.27
100 Free
38.39
1:11.66
100 Free
1:11.66
150 Free
40.97
1:52.63
200 Free
41.61
2:34.24
100 Free
1:22.58
250 Free
42.10
3:16.34
300 Free
42.23
3:58.57
100 Free
1:24.33
350 Free
42.48
4:41.05
400 Free
42.58
5:23.63
100 Free
1:25.06
450 Free
42.15
6:05.78
500 Free
37.84
6:43.62
100 Free
1:19.99
Back 100 Y 1:19.64 18 12/04/2025 B: 1:13.39 (+6.25s | 7.8%) 7 305 1,000+ 1,000+
50 Back
38.92
38.92
100 Back
40.72
1:19.64
100 Back
1:19.64
Breast 50 Y 39.40 18 11/14/2025 3 55 483 1,000+
Breast 100 Y 1:24.34 18 01/17/2026 B BB: 1:18.79 (+5.55s | 6.6%) 4 209 998 1,000+
50 Breast
41.10
41.10
100 Breast
43.24
1:24.34
100 Breast
1:24.34
Breast 200 Y 3:00.10 18 01/17/2026 B BB: 2:51.49 (+8.61s | 4.8%) 3 135 722 1,000+
50 Breast
40.63
40.63
100 Breast
44.99
1:25.62
100 Breast
1:25.62
150 Breast
47.03
2:12.65
200 Breast
47.45
3:00.10
100 Breast
1:34.48
IM 200 Y 2:41.40 18 12/04/2025 B BB: 2:31.89 (+9.51s | 5.9%) 3 216 1,000+ 1,000+
50 Fly
37.19
37.19
100 Back
42.01
1:19.20
100 IM
1:19.20
150 Breast
46.25
2:05.45
200 Free
35.95
2:41.40
100 IM
1:22.20

Long course distance

Event Time Age Date Standard Next Standard Tollefson Swimming Potomac Valley Swimming Eastern Zone USA

Above are the fastest times that Kate Callahan has achieved in her swimming career. For each event, you can find Kate's best time, the corresponding time standard, as well as how much faster Kate needs to be to reach the next level. The last columns provide Kate rankings at the team and LSC levels. These rankings are based on the Kate's personal best, her current age category, and team; and are calculated from all the meets results.

Disclaimer: This Website is not affiliated with USA Swimming or any Local Swim Committee. The rankings and times displayed on this website are unofficial and should not be viewed as such. We update our information regularly, but we cannot guarantee that the data is accurate, timely, or complete. The only purpose of this website is entertainment. None of the information here should be used for university admission applications.