swimJohn Koh
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 200 Freestyle | SCY | 2:00.87 | A+3.78s to AA | 2025-11-02 | 2025 SwimMAC Carolina vs. Dynamo AG Dual venue |
| 500 Freestyle | SCY | 5:23.83 | A+6.74s to AA | 2025-11-01 | 2025 SwimMAC Carolina vs. Dynamo AG Dual venue |
| 100 Backstroke | SCY | 1:00.25 | A+1.66s to AA | 2025-11-01 | 2025 SwimMAC Carolina vs. Dynamo AG Dual venue |
| 200 Backstroke | SCY | 2:12.46 | A+4.97s to AA | 2025-11-02 | 2025 SwimMAC Carolina vs. Dynamo AG Dual venue |
| 200 Individual Medley | SCY | 2:17.05 | BB+1.66s to A | 2025-11-01 | 2025 SwimMAC Carolina vs. Dynamo AG Dual venue |
| 400 Individual Medley | SCY | 4:56.82 | BB+7.33s to A | 2025-11-02 | 2025 SwimMAC Carolina vs. Dynamo AG Dual venue |
| 100 Freestyle | LCM | 1:08.14 | BB+3.75s to A | 2024-07-20 | 2024 GA AG LC Championship July 18-21 2024 venue |
| 200 Freestyle | LCM | 2:25.39 | BB+4.80s to A | 2024-07-19 | 2024 GA AG LC Championship July 18-21 2024 venue |
| 400 Freestyle | LCM | 5:06.16 | BB+6.27s to A | 2024-07-21 | 2024 GA AG LC Championship July 18-21 2024 venue |
| 50 Backstroke | LCM | 35.62 | BB+1.73s to A | 2024-07-20 | 2024 GA AG LC Championship July 18-21 2024 venue |
| 100 Backstroke | LCM | 1:16.35 | BB+4.66s to A | 2024-07-21 | 2024 GA AG LC Championship July 18-21 2024 venue |
| 200 Backstroke | LCM | 2:46.61 | BB+10.62s to A | 2024-07-19 | 2024 GA AG LC Championship July 18-21 2024 venue |
| 50 Breaststroke | LCM | 41.99 | B+1.00s to BB | 2024-07-21 | 2024 GA AG LC Championship July 18-21 2024 venue |
| 50 Butterfly | LCM | 34.92 | B+0.33s to BB | 2024-07-19 | 2024 GA AG LC Championship July 18-21 2024 venue |
| 200 Individual Medley | LCM | 2:49.35 | BB+12.46s to A | 2024-07-20 | 2024 GA AG LC Championship July 18-21 2024 venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 14.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | LCM | 29.14 | flying | 200 Free Relay (leg 3) | 2024-07-20 | 2024 GA AG LC Championship July 18-21 2024 |
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 13-14 · SCY
2650 points (4/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 5:23.83 | 712 |
| 200 BK SCY | 2:12.46 | 671 |
| 200 IM SCY | 2:17.05 | 646 |
| 400 IM SCY | 4:56.82 | 621 |
| 200 BR SCY | — | 0 |
| 200 FL SCY | — | 0 |
IMR 13-14 · SCY
2036 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:00.87 | 691 |
| 100 BK SCY | 1:00.25 | 699 |
| 200 IM SCY | 2:17.05 | 646 |
| 100 BR SCY | — | 0 |
| 100 FL SCY | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
200 Freestyle SCY 2:00.87
Front half 59.20s · back half 61.67s
500 Freestyle SCY 5:23.83
Front half 160.71s · back half 163.12s
100 Backstroke SCY 1:00.25
Front half 29.71s · back half 30.54s
200 Backstroke SCY 2:12.46
Front half 65.34s · back half 67.12s
200 Individual Medley SCY 2:17.05
Front half 65.14s · back half 71.91s
400 Individual Medley SCY 4:56.82
Front half 138.48s · back half 158.34s
200 Freestyle LCM 2:25.39 RT 0.67s
Front half 71.51s · back half 73.88s
400 Freestyle LCM 5:06.16
Front half 150.56s · back half 155.60s
100 Backstroke LCM 1:16.35 RT 0.61s
Front half 37.32s · back half 39.03s
200 Backstroke LCM 2:46.61 RT 0.66s
Front half 82.11s · back half 84.50s
200 Individual Medley LCM 2:49.35 RT 0.70s
Front half 79.90s · back half 89.45s
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.
Progression
Faster times are higher. One card per event, all courses & history.