swimAron Tsai
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 24.49 | BB+0.40s to A·+1.30s to Sectionals | 2025-06-22 | 2025 PN SRST StingRay Invitationalvenue |
| 100 Freestyle | SCY | 53.92 | BB+1.33s to A·+2.93s to Sectionals | 2025-06-21 | 2025 PN SRST StingRay Invitationalvenue |
| 200 Freestyle | SCY | 2:08.78 | B+3.09s to BB·+16.99s to Sectionals | 2024-10-05 | 2024 PN SMAC Fall Kick-Off Invitationalvenue |
| 500 Freestyle | SCY | 5:51.53 | B+10.44s to BB·+48.84s to Sectionals | 2025-06-20 | 2025 PN SRST StingRay Invitationalvenue |
| 50 Backstroke | SCY | 31.68 | +0.49s to B·+7.99s to Futures | 2025-11-16 | 2025 PN IST November Invitationalvenue |
| 100 Backstroke | SCY | 1:09.40 | +2.61s to B·+13.91s to Sectionals | 2025-06-21 | 2025 PN SRST StingRay Invitationalvenue |
| 200 Backstroke | SCY | 1:42.70 | AAAA·US Open ✓ | 2026-01-01 | Sanction #: 2603-SP04 |
| 50 Breaststroke | SCY | 35.97 | B+2.58s to BB·+9.68s to Futures | 2025-05-04 | 2025 PN SSCD Spring Openvenue |
| 100 Breaststroke | SCY | 1:19.38 | +3.89s to B·+16.19s to Sectionals | 2025-10-18 | 2025 PN IST Fall Open |
| 50 Butterfly | SCY | 29.48 | B+0.49s to BB·+6.59s to Futures | 2026-03-28 | 2026 PN Spring Showdown, Division 1 - copied |
| 100 Butterfly | SCY | 1:08.35 | +2.26s to B·+13.16s to Sectionals | 2025-03-29 | 2025 PN Spring Finale, Division 1 |
| 100 Individual Medley | SCY | 1:07.38 | 2025-01-12 | 2025 PN CSC Winter Invitationalvenue | |
| 200 Individual Medley | SCY | 2:28.85 | B+9.96s to BB·+24.86s to Sectionals | 2025-06-21 | 2025 PN SRST StingRay Invitationalvenue |
| 50 Freestyle | LCM | 28.10 | BB+0.31s to A·+1.11s to Sectionals | 2026-04-25 | 2026 PN SMAC Spring Showers LC Challengevenue |
| 100 Freestyle | LCM | 1:04.90 | BB+4.31s to A·+5.91s to Sectionals | 2024-06-01 | 2024 PN VAST Summer Sprints and Distance Chalvenue |
| 200 Freestyle | LCM | 2:27.21 | B+2.82s to BB·+18.52s to Sectionals | 2025-06-15 | 2025 IST June Invtationalvenue |
| 400 Freestyle | LCM | 5:30.39 | B+22.50s to BB·+56.00s to Sectionals | 2025-04-25 | 2025 PN KING Spring Derbyvenue |
| 50 Backstroke | LCM | 36.32 | B+1.63s to BB·+8.43s to Futures | 2025-04-27 | 2025 PN KING Spring Derbyvenue |
| 100 Backstroke | LCM | 1:20.35 | +1.66s to B·+15.16s to Sectionals | 2025-06-28 | 2025 PN SMAC Summer Classic Invitationalvenue |
| 200 Backstroke | LCM | 3:05.72 | +14.13s to B·+44.23s to Sectionals | 2025-04-27 | 2025 PN KING Spring Derbyvenue |
| 50 Breaststroke | LCM | 41.66 | +0.77s to B·+10.77s to Futures | 2025-06-28 | 2025 PN SMAC Summer Classic Invitationalvenue |
| 100 Breaststroke | LCM | 1:32.95 | +4.86s to B·+19.25s to Sectionals | 2024-06-01 | 2024 PN VAST Summer Sprints and Distance Chalvenue |
| 50 Butterfly | LCM | 33.35 | B+0.66s to BB·+7.06s to Futures | 2026-04-26 | 2026 PN SMAC Spring Showers LC Challengevenue |
| 100 Butterfly | LCM | 1:29.23 | +13.24s to B·+26.14s to Sectionals | 2025-04-26 | 2025 PN KING Spring Derbyvenue |
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 | 23.90 | flying | 200 Medley Relay (leg 4) | 2025-02-02 | 2025 PN EAST February Invitational |
| 50 Freestyle | LCM | 27.24 | flying | 200 Free Relay (leg 2) | 2025-07-18 | 2025 PN 13&O LC Senior Championships |
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
1975 points (3/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 5:51.53 | 465 |
| 200 BK SCY | 1:42.70 | 1100 |
| 200 IM SCY | 2:28.85 | 410 |
| 200 BR SCY | — | 0 |
| 200 FL SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 17-18 · SCY
1949 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:08.78 | 470 |
| 100 BK SCY | 1:09.40 | 349 |
| 100 BR SCY | 1:19.38 | 350 |
| 100 FL SCY | 1:08.35 | 370 |
| 200 IM SCY | 2:28.85 | 410 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 53.92
Front half 25.42s · back half 28.50s
200 Freestyle SCY 2:08.78
Front half 58.94s · back half 69.84s
500 Freestyle SCY 5:51.53
Front half 168.70s · back half 182.83s
100 Backstroke SCY 1:09.40
Front half 32.61s · back half 36.79s
100 Breaststroke SCY 1:19.38 split/total mismatch
Front half 37.23s · back half 42.15s
100 Individual Medley SCY 1:07.38
Front half 31.56s · back half 35.82s
200 Individual Medley SCY 2:28.85
Front half 70.64s · back half 78.21s
200 Freestyle LCM 2:27.21 RT 0.69s
Front half 69.72s · back half 77.49s
400 Freestyle LCM 5:30.39 RT 0.65s
Front half 158.44s · back half 171.95s
200 Backstroke LCM 3:05.72 RT 0.67s
Front half 89.35s · back half 96.37s
100 Butterfly LCM 1:29.23 RT 0.68s
Front half 38.87s · back half 50.36s
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.