swimSerena Zhu
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 25 Freestyle | SCY | 17.18 | 2020-01-24 | 2020 MR PAC Winter Invitational | |
| 50 Freestyle | SCY | 27.60 | A+0.71s to AA | 2025-12-05 | 2025 MR BGNW December 14-Under Invitational |
| 100 Freestyle | SCY | 1:00.27 | A+1.98s to AA | 2025-10-18 | 2025 MR WEST Tricia Dewey Tails of Hope |
| 200 Freestyle | SCY | 2:17.50 | BB+5.61s to A | 2025-12-06 | 2025 MR BGNW December 14-Under Invitational venue |
| 50 Backstroke | SCY | 33.71 | BB+2.32s to A | 2024-03-24 | 2024 SwimRVA Shamrock Showdown venue |
| 100 Backstroke | SCY | 1:12.89 | B+1.20s to BB | 2025-11-22 | 2025 MR QNS Protect Ya Turkey Neck Invite venue |
| 200 Backstroke | SCY | 3:10.21 | +22.32s to B | 2025-01-01 | Metropolitan Swimming Club |
| 25 Breaststroke | SCY | 22.82 | 2020-01-24 | 2020 MR PAC Winter Invitational | |
| 50 Breaststroke | SCY | 26.04 | AAAA | 2022-04-03 | 2022 MR WEST April Showers Quack Splash |
| 100 Breaststroke | SCY | 1:15.65 | A+2.76s to AA | 2024-03-08 | 2024 MR Metro SC Junior Mets Championships |
| 200 Breaststroke | SCY | 2:56.80 | BB+13.01s to A | 2025-10-18 | 2025 MR WEST Tricia Dewey Tails of Hope |
| 25 Butterfly | SCY | 21.59 | 2020-01-24 | 2020 MR PAC Winter Invitational | |
| 50 Butterfly | SCY | 27.72 | AAA+0.73s to AAAA | 2025-03-01 | 2025 MR QNS I Know I Can Invitational |
| 200 Butterfly | SCY | 2:14.97 | AA+0.28s to AAA | 2024-01-01 | Metropolitan Swimming Club |
| 100 Individual Medley | SCY | 50.24 | 2022-04-03 | 2022 MR WEST April Showers Quack Splash | |
| 200 Individual Medley | SCY | 2:12.33 | AAA+2.94s to AAAA | 2025-10-18 | 2025 MR WEST Tricia Dewey Tails of Hope |
| 50 Freestyle | LCM | 31.87 | A+1.18s to AA | 2025-04-26 | 2025 MR QNS It's Spring Again Invitational |
| 100 Freestyle | LCM | 1:21.52 | +0.33s to B | 2023-05-06 | 2023 MR COND May Meters Matters Meet venue |
| 200 Freestyle | LCM | 2:23.33 | AA+5.44s to AAA | 2025-01-01 | Metropolitan Swimming Club |
| 50 Backstroke | LCM | 41.44 | B+1.75s to BB | 2023-05-06 | 2023 MR COND May Meters Matters Meet venue |
| 50 Breaststroke | LCM | 42.18 | BB+1.09s to A | 2023-06-03 | 2023 MR COND Summer Solstice Invitational venue |
| 100 Breaststroke | LCM | 1:35.80 | B+0.71s to BB | 2023-05-06 | 2023 MR COND May Meters Matters Meet venue |
| 200 Breaststroke | LCM | 3:35.66 | B+10.57s to BB | 2025-04-26 | 2025 MR QNS It's Spring Again Invitational |
| 50 Butterfly | LCM | 41.61 | +1.62s to B | 2023-06-03 | 2023 MR COND Summer Solstice Invitational venue |
| 100 Butterfly | LCM | 1:37.48 | +10.09s to B | 2025-04-26 | 2025 MR QNS It's Spring Again Invitational |
| 200 Individual Medley | LCM | 3:05.45 | B+2.16s to BB | 2025-06-06 | 2025 Condors Summer Solstice |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 14.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 28.54 | flying | 200 Free Relay (leg 3) | 2024-03-23 | 2024 SwimRVA Shamrock Showdown |
| 50 Freestyle | SCY | 28.22 | flying | 200 Medley Relay (leg 4) | 2024-03-24 | 2024 SwimRVA Shamrock Showdown |
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 · SCY
2595 points (4/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 BK SCY | 3:10.21 | 282 |
| 200 BR SCY | 2:56.80 | 532 |
| 200 FL SCY | 2:14.97 | 860 |
| 200 IM SCY | 2:12.33 | 921 |
| 500 FR SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 13-14 · SCY
2683 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:17.50 | 589 |
| 100 BK SCY | 1:12.89 | 495 |
| 100 BR SCY | 1:15.65 | 678 |
| 200 IM SCY | 2:12.33 | 921 |
| 100 FL SCY | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
200 Freestyle SCY 2:17.50
Front half 67.03s · back half 70.47s
100 Backstroke SCY 1:12.89
Front half 35.43s · back half 37.46s
200 Butterfly SCY 2:14.97
100 Freestyle LCM 1:21.52
Front half 37.56s · back half 43.96s
200 Freestyle LCM 2:23.33
100 Breaststroke LCM 1:35.80
Front half 44.43s · back half 51.37s
200 Breaststroke LCM 3:35.66
Progression
Faster times are higher. One card per event, all courses & history.