Joseph Tseng
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 22.96 | A+0.27s to AA·Sectionals ✓+1.67s to Futures | 2026-02-13 | 2026 (WIAA) Sea-King District II 4ABoys HS OBvenue |
| 100 Freestyle | SCY | 51.79 | A+1.90s to AA·+0.80s to Sectionals | 2025-02-08 | 2025 KingCo Conference Boys H.S. Champsvenue |
| 100 Backstroke | SCY | 59.07 | BB+2.88s to A·+3.58s to Sectionals | 2025-01-11 | 2025 Kentridge HS Invitational BOYS OBSERVEDvenue |
| 100 Breaststroke | SCY | 1:07.24 | BB+3.05s to A·+4.05s to Sectionals | 2024-02-08 | 2024 OB WCDIII 3ASeaKing Dist. 2 Boys Champvenue |
| 100 Butterfly | SCY | 52.00 | AA+0.41s to AAA·Sectionals ✓+1.41s to Futures | 2026-02-14 | 2026 (WIAA) Sea-King District II 4ABoys HS OBvenue |
| 200 Individual Medley | SCY | 2:07.46 | BB+0.67s to A·+3.47s to Sectionals | 2025-02-08 | 2025 KingCo Conference Boys H.S. Champsvenue |
| 50 Freestyle | LCM | 27.07 | A+0.78s to AA·+0.08s to Sectionals | 2025-07-19 | 2025 PN 13&O LC Senior Championshipsvenue |
| 100 Freestyle | LCM | 58.58 | A+0.89s to AA·Sectionals ✓+4.99s to Futures | 2025-07-20 | 2025 PN 13&O LC Senior Championshipsvenue |
| 50 Butterfly | LCM | 27.93 | AA+0.54s to AAA·+1.64s to Futures | 2025-07-18 | 2025 PN 13&O LC Senior Championshipsvenue |
| 100 Butterfly | LCM | 1:00.29 | AA+1.40s to AAA·Sectionals ✓+2.30s to Futures | 2025-07-20 | 2025 PN 13&O LC Senior Championshipsvenue |
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 |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 23.40 | flat | 200 Free Relay | 2026-01-10 | 2026 Kentridge High School Invitational- Obse |
| 50 Freestyle | SCY | 22.61 | flying | 200 Free Relay (leg 4) | 2026-02-13 | 2026 (WIAA) Sea-King District II 4ABoys HS OB |
| 100 Freestyle | SCY | 51.11 | flat | 400 Free Relay | 2026-02-14 | 2026 (WIAA) Sea-King District II 4ABoys HS OB |
| 100 Freestyle | SCY | 53.97 | flying | 400 Free Relay (leg 4) | 2024-01-06 | 2024 OB Kentridge Invitational -Boys HS |
| 50 Backstroke | SCY | 28.46 | flat | 200 Medley Relay | 2024-01-06 | 2024 OB Kentridge Invitational -Boys HS |
| 50 Butterfly | SCY | 23.39 | flying | 200 Medley Relay (leg 3) | 2025-02-07 | 2025 KingCo Conference Boys H.S. Champs |
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
653 points (1/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 IM SCY | 2:07.46 | 653 |
| 500 FR SCY | — | 0 |
| 200 BK SCY | — | 0 |
| 200 BR SCY | — | 0 |
| 200 FL SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 17-18 · SCY
2637 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK SCY | 59.07 | 566 |
| 100 BR SCY | 1:07.24 | 577 |
| 100 FL SCY | 52.00 | 841 |
| 200 IM SCY | 2:07.46 | 653 |
| 200 FR 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 51.79
Front half 24.68s · back half 27.11s
100 Backstroke SCY 59.07 RT 0.69s
Front half 28.27s · back half 30.80s
100 Breaststroke SCY 1:07.24
Front half 31.55s · back half 35.69s
100 Butterfly SCY 52.00
Front half 24.24s · back half 27.76s
200 Individual Medley SCY 2:07.46
Front half 57.42s · back half 70.04s
100 Butterfly LCM 1:00.29 RT 0.66s
Front half 27.87s · back half 32.42s
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.