swimNikki Sembera
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 31.40 | B+0.51s to BB·+6.61s to Sectionals | 2026-02-01 | 2026 Emperor Penguin Pentathlonvenue |
| 100 Freestyle | SCY | 1:13.50 | +1.01s to B·+20.41s to Sectionals | 2025-03-16 | WV 2025 Short Course Championships 2 Poolsvenue |
| 500 Freestyle | SCY | 6:54.76 | B+24.17s to BB·+105.97s to Sectionals | 2025-12-05 | 2025 VSTP Ice Breaker Invitationalvenue |
| 1650 Freestyle | SCY | 24:06.89 | B+94.20s to BB·+377.50s to Sectionals | 2026-01-11 | 2026 FOX January Distance & Sprint Meetvenue |
| 50 Backstroke | SCY | 38.04 | +0.85s to B·+11.75s to Futures | 2025-03-14 | WV 2025 Short Course Championships 2 Poolsvenue |
| 100 Backstroke | SCY | 1:18.94 | B+5.35s to BB·+19.65s to Sectionals | 2025-12-06 | 2025 VSTP Ice Breaker Invitationalvenue |
| 200 Backstroke | SCY | 2:49.07 | B+10.28s to BB·+40.18s to Sectionals | 2026-02-01 | 2026 Emperor Penguin Pentathlonvenue |
| 50 Breaststroke | SCY | 42.62 | B+2.53s to BB·+12.83s to Futures | 2025-03-16 | WV 2025 Short Course Championships 2 Poolsvenue |
| 100 Breaststroke | SCY | 1:30.21 | B+5.72s to BB·+22.02s to Sectionals | 2025-12-07 | 2025 VSTP Ice Breaker Invitationalvenue |
| 200 Breaststroke | SCY | 3:14.56 | B+12.57s to BB·+45.17s to Sectionals | 2026-02-01 | 2026 Emperor Penguin Pentathlonvenue |
| 50 Butterfly | SCY | 41.06 | +4.37s to B·+15.37s to Futures | 2025-03-15 | WV 2025 Short Course Championships 2 Poolsvenue |
| 100 Individual Medley | SCY | 1:20.40 | 2025-03-14 | WV 2025 Short Course Championships 2 Poolsvenue | |
| 200 Individual Medley | SCY | 3:01.05 | +4.36s to B·+50.36s to Sectionals | 2025-10-19 | 2025 Fox Fall Invitational 1 - copiedvenue |
| 50 Freestyle | LCM | 37.47 | B+2.08s to BB·+9.18s to Sectionals | 2026-04-12 | 2026 Fox April Long Course Invitationalvenue |
| 100 Freestyle | LCM | 1:22.85 | +0.06s to B·+22.16s to Sectionals | 2026-04-11 | 2026 Fox April Long Course Invitationalvenue |
| 200 Freestyle | LCM | 2:51.85 | B+4.26s to BB·+40.96s to Sectionals | 2026-05-02 | 2026 Helen Wang Sunflower Classicvenue |
| 800 Freestyle | LCM | 12:35.55 | B+25.66s to BB·+185.56s to Sectionals | 2026-05-03 | 2026 Helen Wang Sunflower Classicvenue |
| 50 Backstroke | LCM | 43.23 | B+2.64s to BB·+12.34s to Futures | 2026-04-11 | 2026 Fox April Long Course Invitationalvenue |
| 100 Backstroke | LCM | 1:33.32 | +0.73s to B·+25.43s to Sectionals | 2026-04-12 | 2026 Fox April Long Course Invitationalvenue |
| 200 Backstroke | LCM | 3:08.79 | B+3.30s to BB·+42.60s to Sectionals | 2026-05-02 | 2026 Helen Wang Sunflower Classicvenue |
| 50 Breaststroke | LCM | 48.80 | B+3.21s to BB·+14.01s to Futures | 2026-04-12 | 2026 Fox April Long Course Invitationalvenue |
| 100 Breaststroke | LCM | 1:44.34 | B+7.05s to BB·+26.45s to Sectionals | 2026-04-11 | 2026 Fox April Long Course Invitationalvenue |
| 200 Breaststroke | LCM | 3:35.62 | B+5.93s to BB·+46.23s to Sectionals | 2026-05-03 | 2026 Helen Wang Sunflower Classicvenue |
| 200 Individual Medley | LCM | 3:16.51 | B+8.62s to BB·+48.12s to Sectionals | 2026-05-02 | 2026 Helen Wang Sunflower Classicvenue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 13.
National cuts (Sectionals → Nationals) are the current-season meet qualifying times for the swimmer's zone and age group; ✓ marks the hardest cut already achieved.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 33.92 | flying | 200 Free Relay (leg 3) | 2025-03-15 | WV 2025 Short Course Championships 2 Pools |
| 100 Freestyle | SCY | 1:11.48 | flying | 400 Free Relay (leg 3) | 2025-03-14 | WV 2025 Short Course Championships 2 Pools |
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
1574 points (4/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 6:54.76 | 414 |
| 200 BK SCY | 2:49.07 | 402 |
| 200 BR SCY | 3:14.56 | 399 |
| 200 IM SCY | 3:01.05 | 359 |
| 200 FL SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 13-14 · LCM
1645 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:51.85 | 447 |
| 100 BK LCM | 1:33.32 | 374 |
| 100 BR LCM | 1:44.34 | 398 |
| 200 IM LCM | 3:16.51 | 426 |
| 100 FL LCM | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:13.50
Front half 34.52s · back half 38.98s
500 Freestyle SCY 6:54.76
Front half 203.62s · back half 211.14s
1650 Freestyle SCY 24:06.89
100 Backstroke SCY 1:18.94
Front half 37.49s · back half 41.45s
200 Backstroke SCY 2:49.07
Front half 83.17s · back half 85.90s
100 Breaststroke SCY 1:30.21
Front half 43.07s · back half 47.14s
200 Breaststroke SCY 3:14.56
Front half 93.81s · back half 100.75s
100 Individual Medley SCY 1:20.40
Front half 38.36s · back half 42.04s
200 Individual Medley SCY 3:01.05
Front half 91.83s · back half 89.22s
100 Freestyle LCM 1:22.85
Front half 38.76s · back half 44.09s
200 Freestyle LCM 2:51.85
Front half 84.82s · back half 87.03s
800 Freestyle LCM 12:35.55
Front half 378.11s · back half 377.44s
200 Backstroke LCM 3:08.79
Front half 93.59s · back half 95.20s
200 Breaststroke LCM 3:35.62
Front half 103.04s · back half 112.58s
200 Individual Medley LCM 3:16.51
Front half 97.22s · back half 99.29s
Swim history
Every recorded swim, newest first
| Date | Event | Course | Time | Age | Round | Meet |
|---|
Individual swims with a recorded date and time — including disqualifications — plus reconstructed relay legs (marked). Assembled in the browser from this page’s data.
Progression
Faster times are higher. One card per event, all courses & history.