swimJacob Castillo
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 25 Freestyle | SCY | 24.57 | 2019-12-08 | 2019 BD WETT Del Norte 3 slow pool | |
| 50 Freestyle | SCY | 35.74 | +0.65s to B | 2022-09-17 | 2022 BD Del Norte 1 |
| 100 Freestyle | SCY | 1:23.21 | +7.12s to B | 2022-02-26 | 2022 BD Short Course Championship venue |
| 200 Freestyle | SCY | 2:56.73 | +10.14s to B | 2022-02-27 | 2022 BD Short Course Championship venue |
| 25 Backstroke | SCY | 24.54 | 2019-12-08 | 2019 BD WETT Del Norte 3 slow pool | |
| 50 Backstroke | SCY | 40.78 | B+2.69s to BB | 2022-09-17 | 2022 BD Del Norte 1 |
| 100 Backstroke | SCY | 1:33.45 | +3.66s to B | 2022-02-27 | 2022 BD Short Course Championship venue |
| 25 Breaststroke | SCY | 35.87 | 2019-12-08 | 2019 BD WETT Del Norte 3 slow pool | |
| 50 Breaststroke | SCY | 51.65 | +4.76s to B | 2022-02-26 | 2022 BD Short Course Championship venue |
| 100 Breaststroke | SCY | 2:06.67 | +26.38s to B | 2021-09-24 | 2021 BD TYR Revolution Fall Invite |
| 50 Butterfly | SCY | 1:01.68 | +21.59s to B | 2021-09-24 | 2021 BD TYR Revolution Fall Invite |
| 100 Individual Medley | SCY | 1:49.07 | +20.98s to B | 2021-10-30 | 2021 BD SWAToberfest venue |
| 50 Freestyle | LCM | 44.24 | +4.35s to B | 2022-04-23 | 2022 BD BAT Spring Fling |
| 100 Freestyle | LCM | 1:40.95 | +13.16s to B | 2022-04-23 | 2022 BD BAT Spring Fling |
| 200 Freestyle | LCM | 3:33.12 | +23.33s to B | 2022-04-23 | 2022 BD BAT Spring Fling |
| 50 Backstroke | LCM | 47.37 | B+3.38s to BB | 2022-04-23 | 2022 BD BAT Spring Fling |
| 100 Backstroke | LCM | 1:42.97 | B+6.48s to BB | 2022-04-23 | 2022 BD BAT Spring Fling |
| 50 Breaststroke | LCM | 1:05.98 | +12.59s to B | 2021-08-06 | 2021 BD LCM Border Champs TF |
| 100 Breaststroke | LCM | 2:30.79 | +33.60s to B | 2021-08-06 | 2021 BD LCM Border Champs TF |
| 50 Butterfly | LCM | 1:16.51 | +31.22s to B | 2021-07-23 | 2021 BD SWAT Sun City Summer Bash |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 11.
Pool tags are a venue speed heuristic (median deviation of all swims there vs each swimmer's typical time) — see the venue page for the method.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 1:01.27 | flying | 200 Free Relay (leg 3) | 2021-09-26 | 2021 BD TYR Revolution Fall Invite |
| 50 Backstroke | SCY | 50.68 | flat | 200 Medley Relay | 2021-09-25 | 2021 BD TYR Revolution Fall Invite |
| 50 Backstroke | LCM | 1:07.16 | flat | 200 Medley Relay | 2021-06-26 | 2021 BD Poppa's Day Invitational |
Reconstructed from relay split marks. Flat = lead-off (comparable to individual times); flying starts run ~0.5–0.7s fast and are not PRs.
IMX / IMR
IMX 11-12 · LCM
462 points (2/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK LCM | 1:42.97 | 319 |
| 100 BR LCM | 2:30.79 | 143 |
| 400 FR LCM | — | 0 |
| 100 FL LCM | — | 0 |
| 200 IM LCM | — | 0 |
IMR 11-12 · SCY
1102 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:56.73 | 290 |
| 50 BK SCY | 40.78 | 330 |
| 50 BR SCY | 51.65 | 226 |
| 50 FL SCY | 1:01.68 | 81 |
| 100 IM SCY | 1:49.07 | 175 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:23.21
Front half 39.74s · back half 43.47s
200 Freestyle SCY 2:56.73 RT 0.88s
100 Backstroke SCY 1:33.45 RT 0.67s
Front half 45.22s · back half 48.23s
100 Breaststroke LCM 2:30.79 split/total mismatch
Front half 71.25s · back half 79.54s
Reaction time
From electronically-timed starts only (~2% of corpus swims carry a reaction time). PRs with a recorded reaction show an RT chip in the splits section above.
Progression
Faster times are higher. One card per event, all courses & history.