swimJake Ko
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 23.01 | AA+0.62s to AAA·Sectionals ✓+1.72s to Futures | 2026-01-24 | 2026 Zone 1 North Championshipsvenue |
| 100 Freestyle | SCY | 49.58 | AA+0.59s to AAA·Sectionals ✓+3.19s to Futures | 2026-05-02 | MVAL Swimming Championship 2026venue |
| 200 Freestyle | SCY | 1:52.03 | A+0.04s to AA·+0.24s to Sectionals | 2026-01-18 | Cal Invitational Swim Meetvenue |
| 500 Freestyle | SCY | 4:58.00 | AA+6.91s to AAA·Sectionals ✓+20.91s to Futures | 2026-03-07 | 2026 PASA Last Chance For JO'svenue |
| 100 Backstroke | SCY | 56.72 | A+1.03s to AA·+1.23s to Sectionals | 2026-01-25 | 2026 Zone 1 North Championshipsvenue |
| 100 Breaststroke | SCY | 1:03.85 | A+0.66s to AA·+0.66s to Sectionals | 2026-01-24 | 2026 Zone 1 North Championshipsvenue |
| 200 Breaststroke | SCY | 2:20.31 | A+3.02s to AA·+3.02s to Sectionals | 2026-01-31 | PLS Superleague SC Championshipsvenue |
| 50 Butterfly | SCY | 23.47 | AAAA·+0.58s to Futures | 2026-07-26 | 2026 PASA Summer Paloozavenue |
| 100 Butterfly | SCY | 52.09 | AAA+1.60s to AAAA·Sectionals ✓+1.50s to Futures | 2026-02-27 | 2026 SI CA/NV Speedo Sectionals Oceansidevenue |
| 200 Butterfly | SCY | 1:58.02 | AAA+4.93s to AAAA·Sectionals ✓+4.33s to Futures | 2026-03-07 | 2026 PASA Last Chance For JO'svenue |
| 200 Individual Medley | SCY | 2:00.65 | AA+1.76s to AAA·Sectionals ✓+6.76s to Futures | 2026-03-01 | 2026 SI CA/NV Speedo Sectionals Oceansidevenue |
| 50 Freestyle | LCM | 26.30 | AA+0.41s to AAA·Sectionals ✓+1.71s to Futures | 2026-07-10 | 2026 SUPER LEAGUE LCM CHAMPIONSHIPSvenue |
| 100 Freestyle | LCM | 57.66 | AA+1.17s to AAA·Sectionals ✓+4.07s to Futures | 2026-07-12 | 2026 SUPER LEAGUE LCM CHAMPIONSHIPSvenue |
| 200 Freestyle | LCM | 2:06.95 | AA+3.36s to AAA·Sectionals ✓+9.16s to Futures | 2026-06-14 | 2026 DACA LC CBA Meetvenue |
| 400 Freestyle | LCM | 4:46.17 | A+10.48s to AA·+11.78s to Sectionals | 2026-05-30 | 2026 George Haines International Swim Meetvenue |
| 100 Backstroke | LCM | 1:13.02 | BB+4.93s to A·+7.83s to Sectionals | 2024-05-26 | 2024 Mike Snyder Memorialvenue |
| 100 Breaststroke | LCM | 1:20.38 | BB+3.39s to A·+6.68s to Sectionals | 2024-05-25 | 2024 Mike Snyder Memorialvenue |
| 200 Breaststroke | LCM | 2:57.17 | BB+9.68s to A·+16.29s to Sectionals | 2024-05-26 | 2024 Mike Snyder Memorialvenue |
| 50 Butterfly | LCM | 27.45 | AAA+0.56s to AAAA·+1.16s to Futures | 2026-06-27 | 2026 TYR GO Challengevenue |
| 100 Butterfly | LCM | 59.93 | AAA+2.14s to AAAA·Sectionals ✓+1.94s to Futures | 2026-07-11 | 2026 SUPER LEAGUE LCM CHAMPIONSHIPSvenue |
| 200 Butterfly | LCM | 2:32.07 | BB+4.38s to A·+10.98s to Sectionals | 2026-04-18 | Pacific Swimming LCM Senior Open host TERAvenue |
| 200 Individual Medley | LCM | 2:23.71 | AA+5.02s to AAA·Sectionals ✓+10.92s to Futures | 2026-07-10 | 2026 SUPER LEAGUE LCM CHAMPIONSHIPSvenue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 16.
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 | 23.14 | flat | 200 Free Relay | 2026-01-24 | 2026 Zone 1 North Championships |
| 50 Freestyle | SCY | 22.24 | flying | 200 Free Relay (leg 3) | 2026-02-26 | 2026 SI CA/NV Speedo Sectionals Oceanside |
| 50 Backstroke | SCY | 25.30 | flat | 200 Medley Relay | 2026-05-02 | MVAL Swimming Championship 2026 |
| 50 Butterfly | SCY | 23.17 | flying | 200 Medley Relay (leg 3) | 2026-02-28 | 2026 SI CA/NV Speedo Sectionals Oceanside |
| 100 Butterfly | SCY | 52.53 | flying | 400 Medley Relay (leg 3) | 2026-02-27 | 2026 SI CA/NV Speedo Sectionals Oceanside |
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
3203 points (4/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 4:58.00 | 796 |
| 200 BR SCY | 2:20.31 | 712 |
| 200 FL SCY | 1:58.02 | 870 |
| 200 IM SCY | 2:00.65 | 825 |
| 200 BK SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 15-16 · SCY
3934 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 1:52.03 | 754 |
| 100 BK SCY | 56.72 | 713 |
| 100 BR SCY | 1:03.85 | 737 |
| 100 FL SCY | 52.09 | 905 |
| 200 IM SCY | 2:00.65 | 825 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 49.58
Front half 24.31s · back half 25.27s
200 Freestyle SCY 1:52.03
Front half 53.97s · back half 58.06s
100 Backstroke SCY 56.72
Front half 27.10s · back half 29.62s
100 Breaststroke SCY 1:03.85
Front half 29.96s · back half 33.89s
200 Breaststroke SCY 2:20.31
Front half 68.48s · back half 71.83s
100 Butterfly SCY 52.09
Front half 24.60s · back half 27.49s
200 Individual Medley SCY 2:00.65
Front half 56.88s · back half 63.77s
100 Freestyle LCM 57.66
Front half 27.92s · back half 29.74s
400 Freestyle LCM 4:46.17
Front half 140.64s · back half 145.53s
100 Backstroke LCM 1:13.02
Front half 35.45s · back half 37.57s
100 Breaststroke LCM 1:20.38
Front half 38.31s · back half 42.07s
200 Breaststroke LCM 2:57.17
Front half 85.00s · back half 92.17s
100 Butterfly LCM 59.93
Front half 28.37s · back half 31.56s
200 Butterfly LCM 2:32.07
Front half 68.22s · back half 83.85s
200 Individual Medley LCM 2:23.71
Front half 68.84s · back half 74.87s
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.