Vivian Koh
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 25 Freestyle | SCY | 23.21 | 2001-03-31 | BGC-N. Westchester Marlins | |
| 50 Freestyle | SCY | 28.02 | A+0.63s to AA | 2026-01-01 | Metropolitan Swimming Club |
| 100 Freestyle | SCY | 1:00.13 | A+0.54s to AA | 2026-01-24 | 2026 MR PAC Winter Classic Invitational venue |
| 200 Freestyle | SCY | 2:11.47 | A+1.88s to AA | 2025-12-19 | LAC Arena Holiday Classic |
| 500 Freestyle | SCY | 5:53.95 | A+8.46s to AA | 2026-01-10 | 2026 MR WEST Chris Dewey Trophy Meet venue |
| 25 Backstroke | SCY | 26.78 | 2019-01-01 | pac 06december2019 | |
| 50 Backstroke | SCY | 32.15 | BB+0.26s to A | 2025-12-06 | 2025 MR PAC 12&U Holiday Invitational venue |
| 100 Backstroke | SCY | 1:09.51 | BB+1.52s to A | 2025-12-19 | LAC Arena Holiday Classic |
| 25 Breaststroke | SCY | 33.93 | 2020-01-24 | 2020 MR PAC Winter Invitational | |
| 50 Breaststroke | SCY | 34.98 | AA+0.99s to AAA | 2025-12-19 | LAC Arena Holiday Classic |
| 100 Breaststroke | SCY | 1:15.27 | A+0.58s to AA | 2026-01-11 | 2026 MR WEST Chris Dewey Trophy Meet venue |
| 200 Breaststroke | SCY | 2:42.56 | A+1.57s to AA | 2026-01-24 | 2026 MR PAC Winter Classic Invitational venue |
| 25 Butterfly | SCY | 38.85 | 2001-03-31 | BGC-N. Westchester Marlins | |
| 50 Butterfly | SCY | 31.50 | BB+0.01s to A | 2025-12-06 | 2025 MR PAC 12&U Holiday Invitational venue |
| 100 Butterfly | SCY | 1:08.12 | BB+0.53s to A | 2025-12-19 | LAC Arena Holiday Classic |
| 200 Butterfly | SCY | 2:34.91 | BB+3.82s to A | 2026-03-08 | 2026 MR AGUA Last Chance Invitational venue |
| 100 Individual Medley | SCY | 1:08.47 | 2025-12-19 | LAC Arena Holiday Classic | |
| 200 Individual Medley | SCY | 2:25.74 | A+0.65s to AA | 2026-01-11 | 2026 MR WEST Chris Dewey Trophy Meet venue |
| 400 Individual Medley | SCY | 5:08.29 | A+1.00s to AA | 2026-01-23 | 2026 MR PAC Winter Classic Invitational venue |
| 50 Freestyle | LCM | 31.80 | A+0.51s to AA | 2026-06-13 | 2026 MR PAC Summer Classic Invitational venue |
| 100 Freestyle | LCM | 1:04.56 | AAA+2.47s to AAAA | 2025-06-07 | 2025 MR LIAC Summertime Classic Invitational |
| 200 Freestyle | LCM | 2:26.81 | AA+5.02s to AAA | 2026-06-06 | 2026 MR LIAC Summertime Classic Invitational venue |
| 400 Freestyle | LCM | 5:11.91 | A+0.52s to AA | 2026-05-15 | BGC-N. Westchester Marlins |
| 800 Freestyle | LCM | 10:54.16 | A+8.47s to AA | 2026-06-12 | 2026 MR PAC Summer Classic Invitational venue |
| 50 Backstroke | LCM | 40.84 | B+0.25s to BB | 2024-06-08 | 2024 LIE June Jumpoff venue |
| 100 Backstroke | LCM | 1:18.00 | A+1.91s to AA | 2026-01-01 | Metropolitan Swimming Club |
| 200 Backstroke | LCM | 2:50.19 | A+6.10s to AA | 2026-01-01 | Metropolitan Swimming Club |
| 50 Breaststroke | LCM | 42.00 | A+1.71s to AA | 2024-07-20 | 2024 Metropolitan LC Junior Met Championships venue |
| 100 Breaststroke | LCM | 1:27.76 | A+1.77s to AA | 2026-06-07 | 2026 MR LIAC Summertime Classic Invitational venue |
| 200 Breaststroke | LCM | 3:07.22 | A+1.73s to AA | 2026-06-06 | 2026 MR LIAC Summertime Classic Invitational venue |
| 50 Butterfly | LCM | 35.97 | BB+0.68s to A | 2026-04-25 | 2026 MR PAC April Long Course Invitational venue |
| 100 Butterfly | LCM | 1:17.69 | BB+0.70s to A | 2026-06-13 | 2026 MR PAC Summer Classic Invitational venue |
| 200 Butterfly | LCM | 2:57.45 | BB+4.86s to A | 2026-06-14 | 2026 MR PAC Summer Classic Invitational venue |
| 200 Individual Medley | LCM | 2:45.52 | AA+6.53s to AAA | 2026-06-06 | 2026 MR LIAC Summertime Classic Invitational venue |
| 400 Individual Medley | LCM | 5:45.06 | AA+7.27s to AAA | 2024-05-17 | Metropolitan Swimming Club |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 13.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 27.96 | flying | 200 Free Relay (leg 4) | 2026-03-14 | 2026 MR SC Junior Metropolitan Championships |
| 100 Freestyle | SCY | 59.97 | flying | 400 Free Relay (leg 4) | 2026-03-13 | 2026 MR SC Junior Metropolitan Championships |
| 50 Backstroke | SCY | 32.90 | flat | 200 Medley Relay | 2026-03-14 | 2026 MR SC Junior Metropolitan Championships |
| 100 Breaststroke | SCY | 1:17.04 | flying | 400 Medley Relay (leg 2) | 2026-03-15 | 2026 MR SC Junior Metropolitan Championships |
| 50 Freestyle | LCM | 35.46 | flat | 200 Free Relay | 2023-07-22 | 2023 MR Metro LC Age Group Championships |
| 50 Freestyle | LCM | 33.20 | flying | 200 Free Relay (leg 4) | 2024-07-21 | 2024 Metropolitan LC Junior Met Championships |
| 100 Freestyle | LCM | 1:13.81 | flying | 400 Free Relay (leg 4) | 2024-07-20 | 2024 Metropolitan LC Junior Met Championships |
| 100 Backstroke | LCM | 1:23.84 | flat | 400 Medley Relay | 2024-07-21 | 2024 Metropolitan LC Junior Met Championships |
| 50 Butterfly | LCM | 38.95 | flying | 200 Medley Relay (leg 3) | 2023-07-23 | 2023 MR Metro LC Age Group 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 13-14 · LCM
4027 points (6/6 events)
| Event | Time | Points |
|---|---|---|
| 400 FR LCM | 5:11.91 | 693 |
| 200 BK LCM | 2:50.19 | 618 |
| 200 BR LCM | 3:07.22 | 688 |
| 200 FL LCM | 2:57.45 | 566 |
| 200 IM LCM | 2:45.52 | 713 |
| 400 IM LCM | 5:45.06 | 749 |
IMR 13-14 · LCM
3338 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:26.81 | 718 |
| 100 BK LCM | 1:18.00 | 642 |
| 100 BR LCM | 1:27.76 | 669 |
| 100 FL LCM | 1:17.69 | 596 |
| 200 IM LCM | 2:45.52 | 713 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:00.13
Front half 29.15s · back half 30.98s
200 Freestyle SCY 2:11.47
Front half 63.82s · back half 67.65s
500 Freestyle SCY 5:53.95
Front half 174.83s · back half 179.12s
100 Backstroke SCY 1:09.51
Front half 34.18s · back half 35.33s
100 Breaststroke SCY 1:15.27
Front half 35.61s · back half 39.66s
200 Breaststroke SCY 2:42.56
Front half 79.46s · back half 83.10s
100 Butterfly SCY 1:08.12
Front half 31.60s · back half 36.52s
200 Butterfly SCY 2:34.91
Front half 72.94s · back half 81.97s
100 Individual Medley SCY 1:08.47
Front half 32.69s · back half 35.78s
200 Individual Medley SCY 2:25.74
Front half 70.11s · back half 75.63s
400 Individual Medley SCY 5:08.29
Front half 153.09s · back half 155.20s
200 Freestyle LCM 2:26.81
Front half 71.50s · back half 75.31s
800 Freestyle LCM 10:54.16
Front half 331.17s · back half 322.99s
100 Backstroke LCM 1:18.00
Front half 37.97s · back half 40.03s
200 Backstroke LCM 2:50.19
Front half 84.33s · back half 85.86s
100 Breaststroke LCM 1:27.76
Front half 43.13s · back half 44.63s
200 Breaststroke LCM 3:07.22
Front half 90.46s · back half 96.76s
100 Butterfly LCM 1:17.69
Front half 36.37s · back half 41.32s
200 Butterfly LCM 2:57.45
Front half 81.39s · back half 96.06s
200 Individual Medley LCM 2:45.52
Front half 80.10s · back half 85.42s
Progression
Faster times are higher. One card per event, all courses & history.