swimJohn Koh
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 100 Freestyle | SCY | 57.32 | A+1.83s to AA·+9.03s to Sectionals | 2025-03-21 | 2025 Central Divisional Championships |
| 200 Freestyle | SCY | 2:02.24 | A+0.85s to AA·+16.45s to Sectionals | 2025-03-21 | 2025 Central Divisional Championships |
| 500 Freestyle | SCY | 5:29.79 | A+2.30s to AA·+43.70s to Sectionals | 2025-03-21 | 2025 Central Divisional Championships |
| 100 Backstroke | SCY | 1:03.41 | A+2.32s to AA·+8.32s to Sectionals | 2025-01-31 | 10th Annual Famous Last Words |
| 200 Backstroke | SCY | 2:16.33 | A+3.14s to AA·+14.04s to Sectionals | 2025-03-21 | 2025 Central Divisional Championships |
| 200 Breaststroke | SCY | 2:45.48 | BB+8.69s to A·+26.19s to Sectionals | 2025-01-01 | DYNA- Eastern Classic |
| 100 Butterfly | SCY | 1:08.14 | BB+4.95s to A·+15.45s to Sectionals | 2025-01-01 | DYNA- Eastern Classic |
| 200 Individual Medley | SCY | 2:22.04 | BB+0.85s to A·+22.65s to Sectionals | 2025-03-21 | 2025 Central Divisional Championships |
| 400 Individual Medley | SCY | 5:09.65 | BB+7.26s to A·+57.66s to Sectionals | 2025-01-01 | DYNA- Eastern Classic |
| 50 Freestyle | LCM | 29.71 | A+0.42s to AA·+4.12s to Sectionals | 2025-06-05 | 2025 DYNA Summer Invitational |
| 100 Freestyle | LCM | 1:03.85 | AA+2.36s to AAA·+8.56s to Sectionals | 2025-06-05 | 2025 DYNA Summer Invitational |
| 200 Freestyle | LCM | 2:23.75 | A+4.06s to AA·+22.86s to Sectionals | 2025-06-05 | 2025 DYNA Summer Invitational |
| 400 Freestyle | LCM | 4:55.60 | AA+12.81s to AAA·+36.51s to Sectionals | 2025-06-05 | 2025 DYNA Summer Invitational |
| 800 Freestyle | LCM | 10:27.35 | A+10.16s to AA·+91.76s to Sectionals | 2025-06-05 | 2025 DYNA Summer Invitational |
| 100 Backstroke | LCM | 1:10.24 | AA+1.55s to AAA·+5.75s to Sectionals | 2025-06-05 | 2025 DYNA Summer Invitational |
| 200 Backstroke | LCM | 2:32.53 | AA+3.44s to AAA·+11.84s to Sectionals | 2025-06-05 | 2025 DYNA Summer Invitational |
| 200 Breaststroke | LCM | 3:06.14 | BB+3.25s to A·+25.75s to Sectionals | 2025-06-05 | 2025 DYNA Summer Invitational |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 13.
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.
IMX / IMR
IMX 13-14 · SCY
2914 points (5/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 5:29.79 | 674 |
| 200 BK SCY | 2:16.33 | 615 |
| 200 BR SCY | 2:45.48 | 498 |
| 200 IM SCY | 2:22.04 | 580 |
| 400 IM SCY | 5:09.65 | 547 |
| 200 FL SCY | — | 0 |
IMR 13-14 · SCY
2315 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:02.24 | 668 |
| 100 BK SCY | 1:03.41 | 600 |
| 100 FL SCY | 1:08.14 | 467 |
| 200 IM SCY | 2:22.04 | 580 |
| 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 Backstroke SCY 1:03.41 split/total mismatch
Front half 30.94s · back half 32.47s
200 Freestyle LCM 2:23.75 split/total mismatch
Front half 69.45s · back half 74.30s
400 Freestyle LCM 4:55.60 split/total mismatch
800 Freestyle LCM 10:27.35 split/total mismatch
100 Backstroke LCM 1:10.24 split/total mismatch
Front half 34.41s · back half 35.83s
200 Backstroke LCM 2:32.53 split/total mismatch
Front half 74.63s · back half 77.90s
200 Breaststroke LCM 3:06.14 split/total mismatch
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.