swimLucas Cha
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 21.69 | AAA+0.60s to AAAA·Sectionals ✓+0.40s to Futures | 2024-11-08 | 2024 Legends of Coaching Series-Kevin Perryvenue |
| 100 Freestyle | SCY | 47.43 | AAA+1.34s to AAAA·Sectionals ✓+1.04s to Futures | 2024-12-22 | 2024 CA-NV December Sectionals At BREAvenue |
| 200 Freestyle | SCY | 1:44.09 | AAA+2.60s to AAAA·Sectionals ✓+2.50s to Futures | 2025-03-01 | 2025 RBAC March Madness Spring Championshipvenue |
| 500 Freestyle | SCY | 5:08.40 | A+6.71s to AA·+5.71s to Sectionals | 2026-01-23 | CA 2026 NOVA Janurary Age-Group Intrasquadvenue |
| 50 Backstroke | SCY | 23.94 | AAA+0.55s to AAAA·+0.25s to Futures | 2026-01-19 | YARDS----2026 Road to Sofivenue |
| 100 Backstroke | SCY | 51.57 | AAA+1.48s to AAAA·Sectionals ✓+0.08s to Futures | 2026-02-28 | 2026 SI CA/NV Speedo Sectionals Oceansidevenue |
| 50 Breaststroke | SCY | 30.15 | A+0.56s to AA·+3.86s to Futures | 2025-09-20 | CA 2025 NOVA Back-to-School Meetvenue |
| 50 Butterfly | SCY | 22.64 | AAAA·Futures ✓+0.65s to Jr Nationals | 2026-03-01 | 2026 SI CA/NV Speedo Sectionals Oceansidevenue |
| 100 Butterfly | SCY | 50.55 | AAA+0.96s to AAAA·Futures ✓+1.86s to Winter JNs | 2024-11-09 | 2024 Legends of Coaching Series-Kevin Perryvenue |
| 200 Butterfly | SCY | 1:53.66 | AAA+2.07s to AAAA·Futures ✓+4.57s to Winter JNs | 2024-12-21 | 2024 CA-NV December Sectionals At BREAvenue |
| 100 Individual Medley | SCY | 56.67 | 2025-09-20 | CA 2025 NOVA Back-to-School Meetvenue | |
| 200 Individual Medley | SCY | 1:56.85 | AAA+4.66s to AAAA·Sectionals ✓+2.96s to Futures | 2024-12-22 | 2024 CA-NV December Sectionals At BREAvenue |
| 50 Freestyle | LCM | 25.04 | AAA+0.65s to AAAA·Sectionals ✓+0.45s to Futures | 2025-05-23 | 2025 CA 29th NOVA-Speedo Grand Challengevenue |
| 100 Freestyle | LCM | 55.23 | AAA+2.24s to AAAA·Sectionals ✓+1.64s to Futures | 2025-05-25 | 2025 CA 29th NOVA-Speedo Grand Challengevenue |
| 200 Freestyle | LCM | 2:02.52 | AA+0.33s to AAA·Sectionals ✓+4.73s to Futures | 2025-07-11 | 2025 LAI Entriesvenue |
| 50 Backstroke | LCM | 29.32 | AAA+1.33s to AAAA·+1.43s to Futures | 2026-07-16 | 2026 CA/NV Summer Speedo Sectionals @ BREA -venue |
| 100 Backstroke | LCM | 1:03.52 | AA+1.63s to AAA·Sectionals ✓+2.93s to Futures | 2026-01-18 | Finals -2026 Road to Sofi - copiedvenue |
| 50 Butterfly | LCM | 26.59 | AAA+0.20s to AAAA·+0.30s to Futures | 2025-01-18 | 2025 Road to LA28venue |
| 100 Butterfly | LCM | 1:00.40 | AA+0.71s to AAA·Sectionals ✓+2.41s to Futures | 2025-01-19 | 2025 Road to LA28venue |
| 200 Butterfly | LCM | 2:23.41 | A+4.12s to AA·+2.32s to Sectionals | 2025-05-25 | 2025 CA 29th NOVA-Speedo Grand Challengevenue |
| 200 Individual Medley | LCM | 2:20.66 | AA+4.47s to AAA·Sectionals ✓+7.87s to Futures | 2025-07-13 | 2025 LAI Entriesvenue |
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 | 21.36 | flying | 200 Free Relay (leg 4) | 2025-03-01 | 2025 RBAC March Madness Spring Championship |
| 50 Butterfly | SCY | 23.00 | flying | 200 Medley Relay (leg 3) | 2025-03-01 | 2025 RBAC March Madness Spring Championship |
| 100 Butterfly | SCY | 51.78 | flying | 400 Medley Relay (leg 3) | 2025-02-28 | 2025 RBAC March Madness Spring Championship |
| 50 Freestyle | LCM | 24.65 | flying | 200 Free Relay (leg 2) | 2025-07-23 | USA Swimming Futures Sacramento 2025 |
| 100 Freestyle | LCM | 54.98 | flying | 400 Free Relay (leg 4) | 2025-07-25 | USA Swimming Futures Sacramento 2025 |
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
2437 points (3/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 5:08.40 | 689 |
| 200 FL SCY | 1:53.66 | 901 |
| 200 IM SCY | 1:56.85 | 847 |
| 200 BK SCY | — | 0 |
| 200 BR SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 17-18 · SCY
3505 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 1:44.09 | 891 |
| 100 BK SCY | 51.57 | 852 |
| 100 FL SCY | 50.55 | 915 |
| 200 IM SCY | 1:56.85 | 847 |
| 100 BR 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 47.43 RT 0.60s
Front half 22.66s · back half 24.77s
200 Freestyle SCY 1:44.09
Front half 50.34s · back half 53.75s
500 Freestyle SCY 5:08.40
Front half 150.30s · back half 158.10s
100 Backstroke SCY 51.57
Front half 24.85s · back half 26.72s
100 Butterfly SCY 50.55
Front half 23.99s · back half 26.56s
200 Butterfly SCY 1:53.66 RT 0.61s
Front half 54.00s · back half 59.66s
100 Individual Medley SCY 56.67
Front half 26.64s · back half 30.03s
200 Individual Medley SCY 1:56.85 RT 0.64s
Front half 55.75s · back half 61.10s
100 Freestyle LCM 55.23
Front half 26.28s · back half 28.95s
200 Freestyle LCM 2:02.52
Front half 58.94s · back half 63.58s
100 Backstroke LCM 1:03.52
Front half 30.61s · back half 32.91s
100 Butterfly LCM 1:00.40
Front half 28.31s · back half 32.09s
200 Butterfly LCM 2:23.41
Front half 65.53s · back half 77.88s
200 Individual Medley LCM 2:20.66
Front half 65.23s · back half 75.43s
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.
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.