swimHayden Ko
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 25 Freestyle | SCY | 27.95 | 2021-01-31 | 2021 MR QNS Come to QNS & Get Jacked TT | |
| 50 Freestyle | SCY | 22.71 | AA+0.32s to AAA·+0.32s to Sectionals | 2025-12-13 | 2025 Katie Ledecky Invitational venue |
| 100 Freestyle | SCY | 50.85 | AA+1.86s to AAA·+2.36s to Sectionals | 2021-11-05 | 2021 MR LIE Fall Kickoff Invitational |
| 200 Freestyle | SCY | 2:08.21 | B+1.62s to BB·+21.92s to Sectionals | 2022-02-05 | 2022 MR YMID February Classic |
| 500 Freestyle | SCY | 5:58.58 | B+14.59s to BB·+71.19s to Sectionals | 2022-10-29 | 2022 MR QNS Get Your Swim On Time Trials |
| 1000 Freestyle | SCY | 12:59.05 | +7.26s to B·+179.56s to Sectionals | 2019-11-29 | 2019 MR LIE Thanksgiving Classic |
| 25 Backstroke | SCY | 29.52 | 2019-09-29 | 2019 MR NCAC September29th First Sprint Meet | |
| 50 Backstroke | SCY | 30.90 | B+1.31s to BB·+7.21s to Futures | 2021-01-01 | Metropolitan Swimming Club |
| 100 Backstroke | SCY | 1:00.37 | BB+2.28s to A·+5.88s to Sectionals | 2022-03-11 | 2022 MR Metro SC Junior Olympics |
| 200 Backstroke | SCY | 2:15.26 | BB+7.97s to A·+16.67s to Sectionals | 2022-03-11 | 2022 MR Metro SC Junior Olympics |
| 50 Breaststroke | SCY | 29.81 | AA+0.92s to AAA·+3.52s to Futures | 2025-11-22 | 2025 MR QNS Protect Ya Turkey Neck Invite |
| 100 Breaststroke | SCY | 1:03.68 | A+0.49s to AA·+2.19s to Sectionals | 2025-12-12 | 2025 Katie Ledecky Invitational venue |
| 200 Breaststroke | SCY | 2:01.89 | AAAA·Futures ✓+1.50s to US Open | 2025-02-13 | 2025 MR TYR Senior Met Winter Championship |
| 50 Butterfly | SCY | 28.47 | BB+1.28s to A·+5.58s to Futures | 2021-12-03 | 2021 MR PAC Christmas Invitational |
| 100 Butterfly | SCY | 57.20 | A+1.91s to AA·+4.01s to Sectionals | 2025-11-23 | 2025 MR QNS Protect Ya Turkey Neck Invite venue |
| 200 Butterfly | SCY | 2:15.81 | BB+6.62s to A·+14.62s to Sectionals | 2021-11-05 | 2021 MR LIE Fall Kickoff Invitational |
| 100 Individual Medley | SCY | 1:02.19 | 2024-09-29 | 2024 MR QNS Hello Brooklyn!! | |
| 200 Individual Medley | SCY | 2:10.04 | BB+0.35s to A·+10.65s to Sectionals | 2023-10-28 | 2023 MR QNS Can I Kick It SCY Invitational |
| 400 Individual Medley | SCY | 4:49.32 | BB+11.63s to A·+34.23s to Sectionals | 2025-01-01 | Metropolitan Swimming Club |
| 50 Freestyle | LCM | 26.77 | AA+0.88s to AAA·+1.28s to Sectionals | 2023-05-12 | 2023 MR LIE May Extravaganza Invitational |
| 100 Freestyle | LCM | 1:01.09 | A+2.10s to AA·+5.60s to Sectionals | 2024-07-06 | 2024 MR QNS One More Chance LCM Invite venue |
| 200 Freestyle | LCM | 2:19.44 | BB+4.65s to A·+18.15s to Sectionals | 2024-06-22 | 2024 MR LIE June Jamboree Invitational venue |
| 400 Freestyle | LCM | 5:58.88 | +23.29s to B·+101.29s to Sectionals | 2021-05-22 | 2021 MR QNS Drop Time Like It's Hot LCM TT |
| 50 Backstroke | LCM | 38.82 | +0.93s to B·+10.93s to Futures | 2021-07-10 | 2021 MR LIE Summer Sizzler Invitational |
| 100 Backstroke | LCM | 1:13.70 | BB+5.61s to A·+11.71s to Sectionals | 2023-06-23 | 2023 MR PAC Summer Classic Invitational |
| 50 Breaststroke | LCM | 41.79 | B+2.90s to BB·+10.90s to Futures | 2021-07-10 | 2021 MR LIE Summer Sizzler Invitational |
| 100 Breaststroke | LCM | 1:14.93 | A+1.14s to AA·+5.24s to Sectionals | 2024-07-06 | 2024 MR QNS One More Chance LCM Invite |
| 200 Breaststroke | LCM | 2:55.05 | BB+7.56s to A·+22.46s to Sectionals | 2023-05-14 | 2023 MR LIE May Extravaganza Invitational venue |
| 50 Butterfly | LCM | 34.12 | B+0.83s to BB·+7.83s to Futures | 2021-06-12 | 2021 MR YMID Floating Into Summer TT |
| 100 Butterfly | LCM | 1:00.78 | AA+0.29s to AAA·+0.59s to Sectionals | 2025-04-26 | 2025 MR QNS It's Spring Again Invitational |
| 200 Butterfly | LCM | 2:58.23 | +5.94s to B·+41.94s to Sectionals | 2023-06-23 | 2023 MR PAC Summer Classic Invitational |
| 200 Individual Medley | LCM | 2:29.62 | A+4.63s to AA·+13.43s to Sectionals | 2022-04-29 | 2022 MR COND May Meters Matters Meet |
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 |
|---|---|---|---|---|---|---|
| 100 Freestyle | LCM | 1:00.74 | flat | 400 Free Relay | 2023-07-22 | 2023 MR Metro LC Age Group Championships |
| 50 Breaststroke | LCM | 33.47 | flying | 200 Medley Relay (leg 2) | 2023-07-21 | 2023 MR Metro LC Age Group Championships |
| 100 Breaststroke | LCM | 1:14.27 | flying | 400 Medley Relay (leg 2) | 2023-07-23 | 2023 MR Metro LC Age Group Championships |
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
3903 points (6/6 events)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 5:58.58 | 457 |
| 200 BK SCY | 2:15.26 | 548 |
| 200 BR SCY | 2:01.89 | 1086 |
| 200 FL SCY | 2:15.81 | 571 |
| 200 IM SCY | 2:10.04 | 659 |
| 400 IM SCY | 4:49.32 | 582 |
IMR 15-16 · LCM
3378 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:19.44 | 598 |
| 100 BK LCM | 1:13.70 | 525 |
| 100 BR LCM | 1:14.93 | 717 |
| 100 FL LCM | 1:00.78 | 850 |
| 200 IM LCM | 2:29.62 | 688 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
200 Freestyle SCY 2:08.21
500 Freestyle SCY 5:58.58
1000 Freestyle SCY 12:59.05 split/total mismatch
200 Backstroke SCY 2:15.26
100 Breaststroke SCY 1:03.68
Front half 29.67s · back half 34.01s
200 Breaststroke SCY 2:01.89
100 Butterfly SCY 57.20
Front half 26.60s · back half 30.60s
200 Butterfly SCY 2:15.81 split/total mismatch
Front half 66.76s · back half 69.05s
100 Individual Medley SCY 1:02.19
200 Individual Medley SCY 2:10.04
400 Individual Medley SCY 4:49.32
Front half 139.86s · back half 149.46s
100 Freestyle LCM 1:01.09
Front half 29.72s · back half 31.37s
200 Freestyle LCM 2:19.44
Front half 66.68s · back half 72.76s
400 Freestyle LCM 5:58.88
Front half 173.81s · back half 185.07s
100 Breaststroke LCM 1:14.93
200 Breaststroke LCM 2:55.05
Front half 86.26s · back half 88.79s
100 Butterfly LCM 1:00.78
Progression
Faster times are higher. One card per event, all courses & history.