Isaac Chiang
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 23.99 | A+0.60s to AA | 2026-01-16 | ISCA January Classic 2026 venue |
| 100 Freestyle | SCY | 52.13 | A+0.84s to AA | 2025-12-14 | 2025 NBAC 51st Annual Christmas Invitational venue |
| 200 Freestyle | SCY | 1:54.25 | A+2.26s to AA | 2025-12-12 | 2025 NBAC 51st Annual Christmas Invitational venue |
| 500 Freestyle | SCY | 5:15.62 | A+11.33s to AA | 2025-03-14 | 2025 MD LSC / NBAC JR Champs - Site 1 fast pool |
| 50 Backstroke | SCY | 26.96 | A+0.87s to AA | 2025-03-07 | 2025 MD LSC 14 & U Championships venue |
| 100 Backstroke | SCY | 56.93 | A+1.24s to AA | 2026-02-21 | 2026 Speedo MD LSC Senior Champs venue |
| 200 Backstroke | SCY | 2:00.82 | AA+4.13s to AAA | 2026-02-22 | 2026 Speedo MD LSC Senior Champs venue |
| 50 Breaststroke | SCY | 28.15 | AAA+0.56s to AAAA | 2026-02-22 | 2026 Speedo MD LSC Senior Champs venue |
| 100 Breaststroke | SCY | 1:00.15 | AAA+2.36s to AAAA | 2026-02-20 | 2026 Speedo MD LSC Senior Champs venue |
| 200 Breaststroke | SCY | 2:09.72 | AAA+4.43s to AAAA | 2026-02-21 | 2026 Speedo MD LSC Senior Champs venue |
| 50 Butterfly | SCY | 26.12 | A+0.03s to AA | 2025-11-16 | 2025 NBAC Thanksgiving Meet fast pool |
| 100 Butterfly | SCY | 57.47 | A+2.18s to AA | 2026-01-16 | ISCA January Classic 2026 venue |
| 200 Butterfly | SCY | 2:16.18 | BB+6.99s to A | 2025-02-03 | John DeBarbadillo Invite |
| 100 Individual Medley | SCY | 55.99 | 2026-02-19 | 2026 Speedo MD LSC Senior Champs venue | |
| 200 Individual Medley | SCY | 2:00.41 | AA+1.52s to AAA | 2026-01-17 | ISCA January Classic 2026 venue |
| 400 Individual Medley | SCY | 4:28.30 | A+2.21s to AA | 2025-03-07 | 2025 MD LSC 14 & U Championships venue |
| 50 Freestyle | LCM | 27.40 | A+0.31s to AA | 2026-06-08 | Chargers Mid Season Long Course Invitational |
| 100 Freestyle | LCM | 58.96 | AA+2.47s to AAA | 2026-05-10 | 2026 NBAC Spring LC Invitational Meet venue |
| 200 Freestyle | LCM | 2:06.35 | AA+2.76s to AAA | 2026-05-09 | 2026 NBAC Spring LC Invitational Meet venue |
| 400 Freestyle | LCM | 4:38.26 | A+2.57s to AA | 2026-05-10 | 2026 NBAC Spring LC Invitational Meet venue |
| 50 Backstroke | LCM | 30.42 | AA+0.63s to AAA | 2025-07-10 | 2025 NBAC Mid Summer Classic venue |
| 100 Backstroke | LCM | 1:06.49 | A+1.20s to AA | 2025-08-01 | 2025 MD LSC LC Championships venue |
| 200 Backstroke | LCM | 2:21.94 | A+0.45s to AA | 2025-07-13 | 2025 NBAC Mid Summer Classic venue |
| 50 Breaststroke | LCM | 31.93 | AAA+0.44s to AAAA | 2025-07-10 | 2025 NBAC Mid Summer Classic venue |
| 100 Breaststroke | LCM | 1:08.17 | AAA+0.78s to AAAA | 2026-03-27 | 2026 Speedo Sectional Championship venue |
| 200 Breaststroke | LCM | 2:31.77 | AAA+5.28s to AAAA | 2026-03-28 | 2026 Speedo Sectional Championship venue |
| 50 Butterfly | LCM | 29.33 | AA+1.14s to AAA | 2026-05-08 | 2026 NBAC Spring LC Invitational Meet venue |
| 100 Butterfly | LCM | 1:05.06 | A+1.87s to AA | 2026-05-09 | 2026 NBAC Spring LC Invitational Meet venue |
| 200 Butterfly | LCM | 2:35.92 | BB+8.23s to A | 2025-07-12 | 2025 NBAC Mid Summer Classic venue |
| 200 Individual Medley | LCM | 2:19.47 | AA+0.78s to AAA | 2025-08-02 | 2025 MD LSC LC Championships venue |
| 400 Individual Medley | LCM | 5:13.61 | A+4.62s to AA | 2025-07-11 | 2025 NBAC Mid Summer Classic venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 16.
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 | 28.29 | flying | 200 Free Relay (leg 3) | 2022-03-12 | 2022 MD LSC JR CHAMPS - NBAC SITE |
| 100 Freestyle | SCY | 57.62 | flat | 400 Free Relay | 2023-03-05 | 2023 MD LSC 14 & U Championships |
| 50 Breaststroke | SCY | 27.37 | flying | 200 Medley Relay (leg 2) | 2025-03-06 | 2025 MD LSC 14 & U Championships |
| 100 Breaststroke | SCY | 1:00.21 | flying | 400 Medley Relay (leg 2) | 2025-03-08 | 2025 MD LSC 14 & U Championships |
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 15-16 · LCM
4504 points (6/6 events)
| Event | Time | Points |
|---|---|---|
| 400 FR LCM | 4:38.26 | 730 |
| 200 BK LCM | 2:21.94 | 754 |
| 200 BR LCM | 2:31.77 | 888 |
| 200 FL LCM | 2:35.92 | 563 |
| 200 IM LCM | 2:19.47 | 849 |
| 400 IM LCM | 5:13.61 | 720 |
IMR 15-16 · LCM
4015 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:06.35 | 804 |
| 100 BK LCM | 1:06.49 | 716 |
| 100 BR LCM | 1:08.17 | 953 |
| 100 FL LCM | 1:05.06 | 693 |
| 200 IM LCM | 2:19.47 | 849 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 52.13
Front half 25.45s · back half 26.68s
200 Freestyle SCY 1:54.25
Front half 54.64s · back half 59.61s
500 Freestyle SCY 5:15.62
Front half 150.62s · back half 165.00s
100 Backstroke SCY 56.93
Front half 27.95s · back half 28.98s
200 Backstroke SCY 2:00.82
Front half 59.04s · back half 61.78s
100 Breaststroke SCY 1:00.15
Front half 28.41s · back half 31.74s
200 Breaststroke SCY 2:09.72
Front half 61.48s · back half 68.24s
100 Butterfly SCY 57.47
Front half 27.14s · back half 30.33s
100 Individual Medley SCY 55.99
Front half 26.43s · back half 29.56s
200 Individual Medley SCY 2:00.41
Front half 56.82s · back half 63.59s
400 Individual Medley SCY 4:28.30
Front half 128.59s · back half 139.71s
100 Freestyle LCM 58.96
Front half 28.55s · back half 30.41s
200 Freestyle LCM 2:06.35
Front half 63.32s · back half 63.03s
400 Freestyle LCM 4:38.26
Front half 137.55s · back half 140.71s
100 Backstroke LCM 1:06.49
Front half 32.31s · back half 34.18s
200 Backstroke LCM 2:21.94
Front half 69.66s · back half 72.28s
100 Breaststroke LCM 1:08.17
Front half 32.59s · back half 35.58s
200 Breaststroke LCM 2:31.77
Front half 73.61s · back half 78.16s
100 Butterfly LCM 1:05.06
Front half 30.23s · back half 34.83s
200 Butterfly LCM 2:35.92
Front half 71.83s · back half 84.09s
200 Individual Medley LCM 2:19.47
Front half 66.35s · back half 73.12s
400 Individual Medley LCM 5:13.61
Front half 152.22s · back half 161.39s
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.