swimNikita Costello
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 21.11 | AAA+0.42s to AAAA·Futures ✓+0.72s to US Open | 2026-05-10 | Pacific Swimming SCY/LCM Senior Post NCS Meet venue |
| 100 Freestyle | SCY | 46.39 | AAA+0.90s to AAAA·Futures ✓+2.00s to US Open | 2026-05-08 | 2026 NCS Swimming & Diving Championship Meet venue |
| 200 Freestyle | SCY | 1:44.40 | AAA+3.81s to AAAA·Sectionals ✓+2.81s to Futures | 2025-01-01 | 2025 Speedo Winter Junior Championships - West |
| 500 Freestyle | SCY | 4:52.77 | AA+6.08s to AAA·Sectionals ✓+15.68s to Futures | 2024-12-21 | 2024 CA-NV December Sectionals At BREA venue |
| 50 Backstroke | SCY | 25.90 | A+0.51s to AA·+2.21s to Futures | 2026-03-01 | VJO "Rep The Bay" C/B/A+ 2026 - copied venue |
| 50 Breaststroke | SCY | 27.08 | AAA+0.39s to AAAA·+0.79s to Futures | 2026-04-10 | 2026 Far Western SC Hosted By SCSC venue |
| 100 Breaststroke | SCY | 56.62 | AAA+0.43s to AAAA·Futures ✓+1.63s to US Open | 2026-05-10 | Pacific Swimming SCY/LCM Senior Post NCS Meet venue |
| 200 Breaststroke | SCY | 2:22.26 | BB+2.67s to A·+4.97s to Sectionals | 2026-01-24 | Orinda Aquatics SCY Senior Open Meet venue |
| 50 Butterfly | SCY | 24.05 | AAA+0.86s to AAAA·+1.16s to Futures | 2026-04-11 | 2026 Far Western SC Hosted By SCSC venue |
| 100 Butterfly | SCY | 52.85 | AA+1.26s to AAA·Sectionals ✓+2.26s to Futures | 2026-04-12 | 2026 Far Western SC Hosted By SCSC venue |
| 200 Individual Medley | SCY | 2:02.17 | A+0.68s to AA·Sectionals ✓+8.28s to Futures | 2024-12-22 | 2024 CA-NV December Sectionals At BREA venue |
| 50 Freestyle | LCM | 24.51 | AAA+0.52s to AAAA·Futures ✓+0.72s to US Open | 2025-07-23 | Futures Time Trials 2025 venue |
| 100 Freestyle | LCM | 54.42 | AAA+1.73s to AAAA·Sectionals ✓+0.83s to Futures | 2025-07-24 | USA Swimming Futures Sacramento 2025 venue |
| 200 Freestyle | LCM | 2:02.42 | AA+1.73s to AAA·Sectionals ✓+4.63s to Futures | 2025-07-23 | USA Swimming Futures Sacramento 2025 venue |
| 100 Breaststroke | LCM | 1:17.14 | BB+2.45s to A·+3.44s to Sectionals | 2026-06-28 | Pacific Swimming Long Course Senior Open venue |
| 50 Butterfly | LCM | 27.42 | AA+0.03s to AAA·+1.13s to Futures | 2025-07-24 | USA Swimming Futures Sacramento 2025 venue |
| 200 Individual Medley | LCM | 2:23.03 | A+1.14s to AA·Sectionals ✓+10.24s to Futures | 2026-06-27 | Pacific Swimming Long Course Senior Open venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 18.
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 |
|---|---|---|---|---|---|---|
| 100 Freestyle | SCY | 47.07 | flat | 400 Free Relay | 2024-12-22 | 2024 CA-NV December Sectionals At BREA |
| 100 Freestyle | SCY | 45.83 | flying | 400 Free Relay (leg 4) | 2026-05-09 | 2026 NCS Swimming & Diving Championship Meet |
| 50 Breaststroke | SCY | 26.41 | flying | 200 Medley Relay (leg 2) | 2026-05-09 | 2026 NCS Swimming & Diving Championship Meet |
| 100 Breaststroke | SCY | 1:02.21 | flying | 400 Medley Relay (leg 2) | 2024-12-20 | 2024 CA-NV December Sectionals At BREA |
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 17-18 · SCY
2171 points (3/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 4:52.77 | 805 |
| 200 BR SCY | 2:22.26 | 625 |
| 200 IM SCY | 2:02.17 | 741 |
| 200 BK SCY | — | 0 |
| 200 FL SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 17-18 · SCY
3391 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 1:44.40 | 883 |
| 100 BR SCY | 56.62 | 966 |
| 100 FL SCY | 52.85 | 801 |
| 200 IM SCY | 2:02.17 | 741 |
| 100 BK SCY | — | 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 46.39
Front half 22.08s · back half 24.31s
200 Freestyle SCY 1:44.40
Front half 49.46s · back half 54.94s
500 Freestyle SCY 4:52.77 RT 0.73s
Front half 142.47s · back half 150.30s
100 Breaststroke SCY 56.62
Front half 26.71s · back half 29.91s
200 Breaststroke SCY 2:22.26
Front half 69.99s · back half 72.27s
100 Butterfly SCY 52.85
Front half 24.51s · back half 28.34s
200 Individual Medley SCY 2:02.17 RT 0.77s
Front half 57.91s · back half 64.26s
100 Freestyle LCM 54.42
Front half 25.34s · back half 29.08s
200 Freestyle LCM 2:02.42
Front half 58.14s · back half 64.28s
200 Individual Medley LCM 2:23.03
Front half 68.05s · back half 74.98s
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.