swimNikko Tjahaya
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 24.87 | AAA+1.08s to AAAA·+0.08s to Sectionals | 2026-02-12 | 2026 MR TYR Senior Mets Winter Championship |
| 100 Freestyle | SCY | 52.16 | AAA+0.47s to AAAA·Sectionals ✓+0.27s to Futures | 2025-10-25 | 2025 MR LIAC Chappy's Invitational |
| 200 Freestyle | SCY | 1:54.38 | AAA+2.69s to AAAA·Sectionals ✓+2.09s to Futures | 2024-03-08 | 2024 MR Metro 15-18 Age Group Team Challenge |
| 500 Freestyle | SCY | 5:10.66 | AAA+9.37s to AAAA·+1.87s to Sectionals | 2022-03-11 | 2022 MR Metro SC Junior Olympics |
| 50 Backstroke | SCY | 30.27 | BB+0.08s to A·+3.98s to Futures | 2020-01-01 | Metropolitan Swimming Club |
| 100 Backstroke | SCY | 52.51 | AAAA·US Open ✓ | 2024-02-15 | 2024 MR TYR Senior Mets SCY Championships |
| 200 Backstroke | SCY | 2:09.75 | AA+2.76s to AAA·+0.86s to Sectionals | 2022-01-01 | Metropolitan Swimming Club |
| 50 Breaststroke | SCY | 30.00 | AAAA·+0.21s to Futures | 2025-10-25 | 2025 MR LIAC Chappy's Invitational venue |
| 100 Breaststroke | SCY | 51.26 | AAAA·US Open ✓ | 2021-02-06 | 2021 MR QNS Don't Sweat The QNS Technique TT |
| 200 Breaststroke | SCY | 2:14.25 | AAAA·Nationals ✓+2.26s to US Open | 2026-02-15 | 2026 MR TYR Senior Mets Winter Championship venue |
| 50 Butterfly | SCY | 26.92 | AAA+0.83s to AAAA·+1.23s to Futures | 2025-10-26 | 2025 MR LIAC Chappy's Invitational venue |
| 100 Butterfly | SCY | 56.69 | AAA+1.10s to AAAA·Sectionals ✓+0.10s to Futures | 2026-02-12 | 2026 MR TYR Senior Mets Winter Championship |
| 200 Butterfly | SCY | 1:57.92 | AAAA·Nationals ✓+0.43s to US Open | 2024-02-15 | 2024 MR TYR Senior Mets SCY Championships |
| 100 Individual Medley | SCY | 1:03.91 | 2020-01-01 | Metropolitan Swimming Club | |
| 200 Individual Medley | SCY | 2:03.77 | AAAA·Futures ✓+1.58s to Winter JNs | 2026-02-14 | 2026 MR TYR Senior Mets Winter Championship venue |
| 400 Individual Medley | SCY | 4:27.66 | AAA+2.07s to AAAA·Futures ✓+5.97s to Winter JNs | 2022-03-11 | 2022 MR Metro SC Junior Olympics |
| 50 Freestyle | LCM | 27.66 | AAA+0.57s to AAAA·Sectionals ✓+0.27s to Futures | 2024-08-04 | 2024 LC Senior Zone Championship venue |
| 100 Freestyle | LCM | 1:01.51 | AA+0.02s to AAA·+0.82s to Sectionals | 2024-05-18 | 2024 MR SSC A-May-Zing Races Invitational |
| 200 Freestyle | LCM | 2:09.01 | AAA+1.92s to AAAA·Sectionals ✓+1.22s to Futures | 2026-04-24 | 2026 MR LIAC Speedo Long Island Challenge |
| 400 Freestyle | LCM | 4:35.84 | AAA+7.55s to AAAA·Sectionals ✓+7.05s to Futures | 2026-04-25 | 2026 MR LIAC Speedo Long Island Challenge venue |
| 50 Backstroke | LCM | 35.43 | A+1.44s to AA·+4.54s to Futures | 2021-06-12 | 2021 MR YMID Floating Into Summer TT |
| 100 Backstroke | LCM | 1:09.32 | AA+0.93s to AAA·+1.43s to Sectionals | 2024-04-27 | 2024 MR QNS It's Spring Again LCM Invite venue |
| 200 Backstroke | LCM | 2:29.65 | AA+1.46s to AAA·+3.46s to Sectionals | 2023-05-12 | 2023 MR LIE May Extravaganza Invitational |
| 50 Breaststroke | LCM | 28.54 | AAAA·US Open ✓ | 2026-01-04 | 2026 MR BAD Time Trial |
| 100 Breaststroke | LCM | 1:13.31 | AAAA·Winter JNs ✓+0.02s to Jr Nationals | 2024-07-12 | 2024 MR Senior Mets LC Summer Championship venue |
| 200 Breaststroke | LCM | 2:22.11 | AAAA·Nationals ✓ | 2021-06-12 | 2021 MR YMID Floating Into Summer TT |
| 50 Butterfly | LCM | 29.89 | AAA+0.70s to AAAA·+0.40s to Futures | 2025-07-24 | 2025 TYR FUTURES OCALA venue |
| 100 Butterfly | LCM | 1:05.14 | AAA+1.85s to AAAA·Sectionals ✓+0.45s to Futures | 2026-04-24 | 2026 MR LIAC Speedo Long Island Challenge |
| 200 Butterfly | LCM | 2:34.30 | A+1.11s to AA·+5.21s to Sectionals | 2023-05-27 | 2023 MR AGUA Memorial Day Invitational |
| 200 Individual Medley | LCM | 2:23.31 | AAA+0.22s to AAAA·Futures ✓+1.22s to Winter JNs | 2026-04-24 | 2026 MR LIAC Speedo Long Island Challenge |
| 400 Individual Medley | LCM | 5:05.02 | AAA+1.43s to AAAA·Futures ✓+4.73s to Jr Nationals | 2026-04-24 | 2026 MR LIAC Speedo Long Island Challenge |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 17.
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 | 25.04 | flat | 200 Free Relay | 2024-03-24 | 2024 EZ North Region Speedo Sectional Champs |
| 100 Freestyle | SCY | 53.93 | flat | 400 Free Relay | 2024-03-23 | 2024 EZ North Region Speedo Sectional Champs |
| 50 Breaststroke | SCY | 28.73 | flying | 200 Medley Relay (leg 2) | 2024-03-23 | 2024 EZ North Region Speedo Sectional Champs |
| 100 Breaststroke | SCY | 1:06.96 | flying | 400 Medley Relay (leg 2) | 2024-03-24 | 2024 EZ North Region Speedo Sectional Champs |
| 50 Freestyle | LCM | 29.16 | flat | 200 Free Relay | 2023-07-23 | 2023 MR Metro LC Age Group Championships |
| 50 Freestyle | LCM | 27.61 | flying | 200 Free Relay (leg 2) | 2024-07-12 | 2024 MR Senior Mets LC Summer Championship |
| 100 Freestyle | LCM | 1:01.14 | flat | 400 Free Relay | 2024-07-14 | 2024 MR Senior Mets LC Summer Championship |
| 100 Freestyle | LCM | 1:01.50 | flying | 400 Free Relay (leg 3) | 2024-07-26 | 2024 Futures Championships - Austin |
| 50 Backstroke | LCM | 33.12 | flat | 200 Medley Relay | 2023-07-21 | 2023 MR Metro LC Age Group Championships |
| 100 Backstroke | LCM | 1:12.33 | flat | 400 Medley Relay | 2023-07-23 | 2023 MR Metro LC Age Group Championships |
| 50 Breaststroke | LCM | 33.04 | flying | 200 Medley Relay (leg 2) | 2024-07-12 | 2024 MR Senior Mets LC Summer Championship |
| 100 Breaststroke | LCM | 1:14.69 | flying | 400 Medley Relay (leg 2) | 2024-07-27 | 2024 Futures Championships - Austin |
| 100 Butterfly | LCM | 1:07.06 | flying | 400 Medley Relay (leg 3) | 2024-08-04 | 2024 LC Senior Zone Championship |
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
5769 points (6/6 events)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 5:10.66 | 877 |
| 200 BK SCY | 2:09.75 | 773 |
| 200 BR SCY | 2:14.25 | 1097 |
| 200 FL SCY | 1:57.92 | 1100 |
| 200 IM SCY | 2:03.77 | 974 |
| 400 IM SCY | 4:27.66 | 948 |
IMR 17-18 · SCY
4994 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 1:54.38 | 898 |
| 100 BK SCY | 52.51 | 1100 |
| 100 BR SCY | 51.26 | 1100 |
| 100 FL SCY | 56.69 | 922 |
| 200 IM SCY | 2:03.77 | 974 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
200 Freestyle SCY 1:54.38
500 Freestyle SCY 5:10.66
Front half 155.69s · back half 154.97s
200 Backstroke SCY 2:09.75
100 Breaststroke SCY 51.26
200 Breaststroke SCY 2:14.25
Front half 65.26s · back half 68.99s
100 Butterfly SCY 56.69
Front half 26.80s · back half 29.89s
100 Individual Medley SCY 1:03.91
Front half 29.81s · back half 34.10s
200 Individual Medley SCY 2:03.77
Front half 59.31s · back half 64.46s
400 Individual Medley SCY 4:27.66
Front half 130.64s · back half 137.02s
200 Freestyle LCM 2:09.01
Front half 63.97s · back half 65.04s
400 Freestyle LCM 4:35.84
Front half 136.82s · back half 139.02s
100 Backstroke LCM 1:09.32
Front half 33.52s · back half 35.80s
200 Backstroke LCM 2:29.65
100 Breaststroke LCM 1:13.31
Front half 34.34s · back half 38.97s
200 Breaststroke LCM 2:22.11
100 Butterfly LCM 1:05.14
Front half 30.50s · back half 34.64s
200 Butterfly LCM 2:34.30 split/total mismatch
Front half 76.54s · back half 77.76s
200 Individual Medley LCM 2:23.31
Front half 68.09s · back half 75.22s
400 Individual Medley LCM 5:05.02
Front half 148.63s · back half 156.39s
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.