B time standards
The first published USA Swimming time-standard rung. Achievable for most age-group swimmers within a season or two.
| Event | 10 & Under | 11-12 | 13-14 | 15-16 | 17-18 | Senior |
|---|---|---|---|---|---|---|
| 50 Free SCY | 39.79 | 33.99 | 32.49 | 31.79 | 31.39 | — |
| 100 Free SCY | 1:30.79 | 1:14.69 | 1:10.99 | 1:08.79 | 1:08.09 | — |
| 200 Free SCY | 3:22.79 | 2:42.59 | 2:33.59 | 2:28.99 | 2:27.19 | — |
| 500 Free SCY | 8:36.69 | 7:16.89 | 6:52.19 | 6:40.99 | 6:36.49 | — |
| 1000 Free SCY | — | 15:02.69 | 14:11.09 | 13:52.89 | 13:46.09 | — |
| 1650 Free SCY | — | 25:07.39 | 23:42.89 | 23:15.89 | 22:47.19 | — |
| 50 Back SCY | 48.59 | 38.79 | 36.19 | 35.29 | 34.59 | — |
| 100 Back SCY | 1:45.79 | 1:26.59 | 1:16.89 | 1:14.69 | 1:13.39 | — |
| 200 Back SCY | — | 2:59.49 | 2:46.39 | 2:42.19 | 2:38.79 | — |
| 50 Breast SCY | 54.59 | 43.99 | 42.09 | 41.09 | 40.39 | — |
| 100 Breast SCY | 2:00.29 | 1:36.49 | 1:28.69 | 1:25.89 | 1:24.79 | — |
| 200 Breast SCY | — | 3:25.69 | 3:10.99 | 3:05.99 | 3:04.69 | — |
| 50 Fly SCY | 48.39 | 36.89 | 35.79 | 34.69 | 34.49 | — |
| 100 Fly SCY | 1:56.69 | 1:25.79 | 1:16.79 | 1:14.39 | 1:13.59 | — |
| 200 Fly SCY | — | 3:03.39 | 2:51.19 | 2:45.79 | 2:42.79 | — |
| 100 IM SCY | 1:44.29 | 1:25.19 | — | — | — | — |
| 200 IM SCY | 3:42.09 | 3:03.89 | 2:51.79 | 2:46.19 | 2:43.59 | — |
| 400 IM SCY | — | 6:31.69 | 6:05.79 | 5:54.99 | 5:50.69 | — |
Motivational cuts only exist for ages 5–18. The Senior (19 & over) column intentionally has no value — once a swimmer ages out of age-group competition, the relevant standards become the elite cuts (Sectionals → Futures → Nationals).