Seongjun Jo
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 24.50 | A+0.81s to AA·+1.31s to Sectionals | 2026-03-28 | Swim South Bayvenue |
| 100 Freestyle | SCY | 54.90 | BB+0.61s to A·+3.91s to Sectionals | 2026-01-18 | 2026 Brian Malick Memorial Z1S Championshipsvenue |
| 200 Freestyle | SCY | 2:02.11 | BB+3.52s to A·+10.32s to Sectionals | 2026-05-10 | 2026 Post-CCS SR Walk-On Meetvenue |
| 50 Backstroke | SCY | 32.18 | B+1.89s to BB·+8.49s to Futures | 2025-12-07 | 2025 Holiday Swim Festivalvenue |
| 100 Backstroke | SCY | 1:10.68 | +1.19s to B·+15.19s to Sectionals | 2026-01-17 | 2026 Brian Malick Memorial Z1S Championshipsvenue |
| 50 Breaststroke | SCY | 34.83 | B+0.04s to BB·+8.54s to Futures | 2025-12-06 | 2025 Holiday Swim Festivalvenue |
| 100 Breaststroke | SCY | 1:13.52 | B+0.53s to BB·+10.33s to Sectionals | 2026-01-17 | 2026 Brian Malick Memorial Z1S Championshipsvenue |
| 50 Butterfly | SCY | 27.21 | A+0.62s to AA·+4.32s to Futures | 2025-12-07 | 2025 Holiday Swim Festivalvenue |
| 100 Butterfly | SCY | 58.67 | A+2.28s to AA·+3.48s to Sectionals | 2025-12-06 | 2025 Holiday Swim Festivalvenue |
| 100 Individual Medley | SCY | 1:05.91 | 2026-03-28 | Swim South Bayvenue | |
| 200 Individual Medley | SCY | 2:22.60 | BB+10.41s to A·+18.61s to Sectionals | 2026-01-18 | 2026 Brian Malick Memorial Z1S Championshipsvenue |
| 100 Freestyle | LCM | 1:02.24 | A+2.55s to AA·+3.25s to Sectionals | 2026-06-27 | 2026 Santa Clara LC Race To Age Group Champsvenue |
| 50 Breaststroke | LCM | 38.35 | BB+1.86s to A·+7.46s to Futures | 2026-06-27 | 2026 Santa Clara LC Race To Age Group Champsvenue |
| 50 Butterfly | LCM | 30.25 | A+0.26s to AA·+3.96s to Futures | 2026-06-27 | 2026 Santa Clara LC Race To Age Group Champsvenue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 15.
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 | 28.71 | flat | 200 Free Relay | 2025-12-05 | 2025 Holiday Swim Festival |
| 50 Butterfly | SCY | 26.19 | flying | 200 Medley Relay (leg 3) | 2025-12-06 | 2025 Holiday Swim Festival |
| 100 Butterfly | SCY | 58.33 | flying | 400 Medley Relay (leg 3) | 2025-12-05 | 2025 Holiday Swim Festival |
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 15-16 · SCY
500 points (1/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 IM SCY | 2:22.60 | 500 |
| 500 FR SCY | — | 0 |
| 200 BK SCY | — | 0 |
| 200 BR SCY | — | 0 |
| 200 FL SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 15-16 · SCY
2566 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:02.11 | 582 |
| 100 BK SCY | 1:10.68 | 368 |
| 100 BR SCY | 1:13.52 | 483 |
| 100 FL SCY | 58.67 | 633 |
| 200 IM SCY | 2:22.60 | 500 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
200 Freestyle SCY 2:02.11
Front half 60.75s · back half 61.36s
100 Butterfly SCY 58.67
Front half 27.48s · back half 31.19s
100 Freestyle LCM 1:02.24
Front half 29.61s · back half 32.63s
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.