swimSerena He
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 25 Freestyle | SCY | 17.49 | 2024-10-19 | 2024 Back to the Pool Meet | |
| 50 Freestyle | SCY | 36.03 | +0.64s to B | 2025-05-10 | 2025 Life Time Michigan Intersquad slow pool |
| 200 Freestyle | SCY | 3:03.22 | +14.13s to B | 2025-02-16 | 2025 Life Time Michigan Last Chance venue |
| 500 Freestyle | SCY | 8:07.47 | +33.48s to B | 2025-01-12 | 2025 LIFE & Royal Swimming Winter Fest slow pool |
| 25 Backstroke | SCY | 30.53 | 2024-05-18 | 2024 USSC Spring Into Summer | |
| 50 Backstroke | SCY | 39.75 | B+2.06s to BB | 2024-10-05 | 2024 LIFE & ROYAL Fall Frenzy |
| 100 Backstroke | SCY | 1:40.00 | +9.31s to B | 2024-11-17 | 2024 SAC Thanksgiving Classic ABC Meet venue |
| 200 Backstroke | SCY | 3:38.78 | +29.09s to B | 2025-01-11 | 2025 LIFE & Royal Swimming Winter Fest slow pool |
| 50 Breaststroke | SCY | 48.35 | +2.86s to B | 2024-10-20 | 2024 Back to the Pool Meet venue |
| 100 Breaststroke | SCY | 1:42.09 | +1.80s to B | 2024-12-15 | SLA Holiday Blast venue |
| 100 Butterfly | SCY | 1:40.26 | +9.47s to B | 2025-05-10 | 2025 Life Time Michigan Intersquad |
| 100 Individual Medley | SCY | 1:34.18 | +5.49s to B | 2024-12-15 | SLA Holiday Blast venue |
| 200 Individual Medley | SCY | 3:11.78 | B+12.79s to BB | 2025-05-10 | 2025 Life Time Michigan Intersquad slow pool |
| 50 Freestyle | SCM | 41.77 | +2.68s to B | 2025-08-05 | August 2025 Life Time Michigan Intersquad venue |
| 400 Freestyle | SCM | 7:12.56 | +35.27s to B | 2025-01-22 | Life Time Michigan Intersquad venue |
| 50 Breaststroke | SCM | 51.91 | +1.62s to B | 2025-08-05 | August 2025 Life Time Michigan Intersquad venue |
| 50 Butterfly | SCM | 52.12 | +9.13s to B | 2025-08-05 | August 2025 Life Time Michigan Intersquad venue |
| 200 Individual Medley | SCM | 3:45.56 | +12.57s to B | 2025-01-22 | Life Time Michigan Intersquad venue |
| 50 Freestyle | LCM | 30.76 | AAA+0.17s to AAAA | 2025-06-21 | 2025 Life Time Michigan Summerfest |
| 100 Freestyle | LCM | 1:33.66 | +4.47s to B | 2025-06-21 | 2025 Life Time Michigan Summerfest venue |
| 200 Freestyle | LCM | 3:42.90 | +29.91s to B | 2024-06-23 | 2024 Life Time Michigan Midsummer Festival venue |
| 50 Backstroke | LCM | 50.34 | +3.55s to B | 2025-06-21 | 2025 Life Time Michigan Summerfest venue |
| 100 Backstroke | LCM | 1:59.18 | +13.39s to B | 2024-06-23 | 2024 Life Time Michigan Midsummer Festival venue |
| 50 Breaststroke | LCM | 47.28 | BB+2.39s to A | 2025-06-21 | 2025 Life Time Michigan Summerfest |
| 100 Breaststroke | LCM | 1:58.06 | +2.17s to B | 2025-06-21 | 2025 Life Time Michigan Summerfest venue |
| 200 Breaststroke | LCM | 3:57.11 | B+6.52s to BB | 2025-06-22 | 2025 Life Time Michigan Summerfest venue |
| 50 Butterfly | LCM | 48.53 | +4.94s to B | 2025-06-21 | 2025 Life Time Michigan Summerfest venue |
| 100 Butterfly | LCM | 1:54.63 | +11.24s to B | 2025-06-22 | 2025 Life Time Michigan Summerfest venue |
| 200 Individual Medley | LCM | 4:12.43 | +31.84s to B | 2024-06-22 | 2024 Life Time Michigan Midsummer Festival venue |
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 |
|---|---|---|---|---|---|---|
| 100 Freestyle | LCM | 1:38.70 | flying | 400 Free Relay (leg 2) | 2024-06-23 | 2024 Life Time Michigan Midsummer Festival |
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 · SCY
1497 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 8:07.47 | 303 |
| 100 BK SCY | 1:40.00 | 246 |
| 100 BR SCY | 1:42.09 | 343 |
| 100 FL SCY | 1:40.26 | 234 |
| 200 IM SCY | 3:11.78 | 371 |
IMR 11-12 · LCM
1552 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 3:42.90 | 246 |
| 50 BK LCM | 50.34 | 297 |
| 50 BR LCM | 47.28 | 494 |
| 50 FL LCM | 48.53 | 270 |
| 200 IM LCM | 4:12.43 | 245 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
200 Freestyle SCY 3:03.22
Front half 89.86s · back half 93.36s
500 Freestyle SCY 8:07.47
Front half 239.47s · back half 248.00s
100 Backstroke SCY 1:40.00
Front half 47.60s · back half 52.40s
100 Breaststroke SCY 1:42.09
Front half 49.56s · back half 52.53s
200 Individual Medley SCY 3:11.78
Front half 97.42s · back half 94.36s
200 Freestyle LCM 3:42.90
Front half 107.53s · back half 115.37s
100 Backstroke LCM 1:59.18
Front half 58.69s · back half 60.49s
200 Breaststroke LCM 3:57.11
Front half 112.83s · back half 124.28s
100 Butterfly LCM 1:54.63
Front half 50.56s · back half 64.07s
200 Individual Medley LCM 4:12.43
Front half 127.08s · back half 125.35s
Progression
Faster times are higher. One card per event, all courses & history.