swimEthan Guadamuz Castillo
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 24.17 | BB+0.48s to A | 2023-02-04 | 2023 ASC Senior Meet venue |
| 100 Freestyle | SCY | 54.06 | BB+2.07s to A | 2023-02-05 | 2023 ASC Senior Meet venue |
| 200 Freestyle | SCY | 2:04.03 | BB+9.14s to A | 2023-01-22 | Live M.A.S Invitational 2023 slow pool |
| 50 Backstroke | SCY | 31.55 | +0.66s to B | 2021-11-21 | 2021 NBAC Thanksgiving Meet venue |
| 100 Backstroke | SCY | 1:03.77 | B+2.88s to BB | 2023-01-22 | Live M.A.S Invitational 2023 slow pool |
| 200 Backstroke | SCY | 2:18.41 | B+4.32s to BB | 2023-01-21 | Live M.A.S Invitational 2023 slow pool |
| 50 Breaststroke | SCY | 33.12 | B+0.03s to BB | 2021-11-20 | 2021 NBAC Thanksgiving Meet venue |
| 100 Breaststroke | SCY | 1:08.09 | BB+3.90s to A | 2023-01-14 | National Catholic H.S. Championship 2023 venue |
| 200 Breaststroke | SCY | 2:34.37 | B+3.08s to BB | 2022-12-11 | 2022 ASC Holiday Invitational venue |
| 100 Butterfly | SCY | 1:03.28 | B+2.39s to BB | 2023-02-04 | 2023 ASC Senior Meet venue |
| 200 Butterfly | SCY | 2:39.25 | +11.76s to B | 2023-01-21 | Live M.A.S Invitational 2023 slow pool |
| 200 Individual Medley | SCY | 2:16.04 | BB+9.25s to A | 2023-03-11 | 2023 Speedo MD LSC JR Champs - FSC Site venue |
| 400 Individual Medley | SCY | 5:14.83 | B+18.44s to BB | 2022-11-11 | 2022 CAC 2nd Annual Zachary Spain Memorial slow pool |
| 50 Freestyle | LCM | 28.80 | BB+1.41s to A | 2023-04-16 | 2023 FOX April Long Course Invitational venue |
| 200 Freestyle | LCM | 2:31.85 | B+9.26s to BB | 2023-04-16 | 2023 FOX April Long Course Invitational venue |
| 100 Butterfly | LCM | 1:13.73 | B+4.04s to BB | 2023-04-16 | 2023 FOX April Long Course Invitational venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 18.
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 |
|---|---|---|---|---|---|---|
| 100 Freestyle | SCY | 54.60 | flying | 400 Free Relay (leg 3) | 2023-03-11 | 2023 Speedo MD LSC JR Champs - FSC Site |
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 17-18 · SCY
2257 points (5/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 BK SCY | 2:18.41 | 473 |
| 200 BR SCY | 2:34.37 | 489 |
| 200 FL SCY | 2:39.25 | 327 |
| 200 IM SCY | 2:16.04 | 537 |
| 400 IM SCY | 5:14.83 | 431 |
| 500 FR SCY | — | 0 |
IMR 17-18 · SCY
2536 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:04.03 | 527 |
| 100 BK SCY | 1:03.77 | 450 |
| 100 BR SCY | 1:08.09 | 556 |
| 100 FL SCY | 1:03.28 | 466 |
| 200 IM SCY | 2:16.04 | 537 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 54.06
Front half 25.85s · back half 28.21s
200 Freestyle SCY 2:04.03
Front half 59.03s · back half 65.00s
100 Backstroke SCY 1:03.77
Front half 31.33s · back half 32.44s
200 Backstroke SCY 2:18.41
Front half 67.44s · back half 70.97s
100 Breaststroke SCY 1:08.09
Front half 32.13s · back half 35.96s
200 Breaststroke SCY 2:34.37
Front half 74.95s · back half 79.42s
100 Butterfly SCY 1:03.28
Front half 29.32s · back half 33.96s
200 Butterfly SCY 2:39.25
Front half 68.92s · back half 90.33s
200 Individual Medley SCY 2:16.04
400 Individual Medley SCY 5:14.83
Front half 151.26s · back half 163.57s
200 Freestyle LCM 2:31.85
Front half 73.06s · back half 78.79s
100 Butterfly LCM 1:13.73
Front half 33.68s · back half 40.05s
Progression
Faster times are higher. One card per event, all courses & history.