Hayden Mok
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 22.84 | AA+0.75s to AAA | 2025-03-01 | 2025 SE Speedo Southern Premier venue |
| 100 Freestyle | SCY | 48.84 | AA+0.55s to AAA | 2025-03-02 | 2025 SE Speedo Southern Premier venue |
| 200 Freestyle | SCY | 1:47.27 | AA+0.88s to AAA | 2026-03-05 | LAC Spring Speedo Sectionals |
| 500 Freestyle | SCY | 4:45.32 | AAA+9.83s to AAAA | 2025-01-01 | 2025 Southern Senior Championships |
| 1000 Freestyle | SCY | 10:12.68 | AA+8.19s to AAA | 2024-10-05 | 2024 October KATY Senior Invitational venue |
| 100 Backstroke | SCY | 58.20 | BB+0.91s to A | 2025-10-04 | 2025 October KATY Senior Invitational venue |
| 200 Backstroke | SCY | 2:10.29 | BB+5.10s to A | 2024-10-06 | 2024 October KATY Senior Invite venue |
| 50 Breaststroke | SCY | 2:26.81 | +110.82s to B | 2024-10-05 | 2024 October KATY Senior Invitational venue |
| 100 Breaststroke | SCY | 1:02.72 | A+0.63s to AA | 2025-02-28 | 2025 SE Speedo Southern Premier venue |
| 200 Breaststroke | SCY | 2:25.53 | BB+4.74s to A | 2025-10-04 | 2025 October KATY Senior Invitational venue |
| 50 Butterfly | SCY | 24.56 | AA+0.07s to AAA | 2026-03-05 | LAC Spring Speedo Sectionals |
| 100 Butterfly | SCY | 52.71 | AA+0.72s to AAA | 2025-11-12 | nt Hz9zkqJTTBhC9chx8 |
| 200 Butterfly | SCY | 1:54.36 | AAA+2.77s to AAAA | 2025-11-12 | nt Hz9zkqJTTBhC9chx8 |
| 100 Individual Medley | SCY | 57.65 | 2024-09-21 | 2024 Katy Purple Black & White Meet venue | |
| 200 Individual Medley | SCY | 1:55.80 | AAA+3.61s to AAAA | 2025-01-03 | 2025 KATY January Westpark Tollway Classic venue |
| 400 Individual Medley | SCY | 4:12.92 | AAA+11.43s to AAAA | 2025-11-12 | nt Hz9zkqJTTBhC9chx8 |
| 50 Freestyle | LCM | 26.29 | AA+0.80s to AAA | 2024-07-26 | 2024 ISCA Summer Senior Blast venue |
| 100 Freestyle | LCM | 56.23 | AA+0.64s to AAA | 2025-07-23 | 2025 TNAQ Senior Summer Showdown fast pool |
| 200 Freestyle | LCM | 2:02.10 | AAA+5.51s to AAAA | 2025-06-06 | 2025 BATS June Invite |
| 400 Freestyle | LCM | 4:22.44 | AA+1.85s to AAA | 2025-06-06 | 2025 BATS June Invite |
| 800 Freestyle | LCM | 9:15.95 | AA+14.46s to AAA | 2025-01-03 | 2025 KATY January Westpark Tollway Classic venue |
| 2000 Freestyle | LCM | 25:45.30 | 2024-10-13 | Sharks Fall Open Water Extravaganza 2024 venue | |
| 50 Backstroke | LCM | 31.55 | A+0.86s to AA | 2026-04-17 | 2026 Aggieland April Long Course Invitational |
| 100 Backstroke | LCM | 1:07.13 | A+2.44s to AA | 2026-06-26 | 2026 BATS June Invite |
| 200 Backstroke | LCM | 2:27.65 | BB+0.56s to A | 2026-04-17 | 2026 Aggieland April Long Course Invitational |
| 100 Breaststroke | LCM | 1:06.70 | AAA+0.61s to AAAA | 2025-01-03 | 2025 KATY January Westpark Tollway Classic venue |
| 200 Breaststroke | LCM | 2:52.60 | BB+7.91s to A | 2024-01-06 | KATY Westpark Tollway Classic slow pool |
| 50 Butterfly | LCM | 27.75 | AA+0.06s to AAA | 2025-07-24 | 2025 TNAQ Senior Summer Showdown fast pool |
| 100 Butterfly | LCM | 59.31 | AAA+2.32s to AAAA | 2025-07-26 | 2025 TNAQ Senior Summer Showdown fast pool |
| 200 Butterfly | LCM | 2:08.20 | AAA+1.01s to AAAA | 2026-01-02 | 2026 KATY January Westpark Tollway Classic venue |
| 200 Individual Medley | LCM | 2:15.79 | AAA+5.80s to AAAA | 2025-07-26 | 2025 TNAQ Senior Summer Showdown fast pool |
| 400 Individual Medley | LCM | 4:51.79 | AAA+12.70s to AAAA | 2025-07-24 | 2025 TNAQ Senior Summer Showdown fast pool |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 17.
Pool tags are a venue speed heuristic (median deviation of all swims there vs each swimmer's typical time) — see the venue page for the method.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 30.82 | flat | 200 Free Relay | 2020-03-07 | 2020 Short Course TAGS Championships |
| 50 Freestyle | SCY | 22.91 | flying | 200 Free Relay (leg 2) | 2024-03-02 | 2024 Texas Age Group Swimming Short Course Ch |
| 50 Freestyle | SCY | 22.73 | flying | 200 Medley Relay (leg 4) | 2024-03-02 | 2024 Texas Age Group Swimming Short Course Ch |
| 100 Freestyle | SCY | 49.57 | flying | 400 Medley Relay (leg 4) | 2024-03-03 | 2024 Texas Age Group Swimming Short Course Ch |
| 100 Freestyle | SCY | 50.15 | flying | 400 Free Relay (leg 3) | 2024-03-01 | 2024 Texas Age Group Swimming Short Course Ch |
| 200 Freestyle | SCY | 1:49.45 | flying | 800 Free Relay (leg 4) | 2024-02-29 | 2024 Texas Age Group Swimming Short Course Ch |
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 17-18 · LCM
4634 points (6/6 events)
| Event | Time | Points |
|---|---|---|
| 400 FR LCM | 4:22.44 | 812 |
| 200 BK LCM | 2:27.65 | 634 |
| 200 BR LCM | 2:52.60 | 555 |
| 200 FL LCM | 2:08.20 | 933 |
| 200 IM LCM | 2:15.79 | 857 |
| 400 IM LCM | 4:51.79 | 843 |
IMR 17-18 · LCM
4106 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:02.10 | 828 |
| 100 BK LCM | 1:07.13 | 651 |
| 100 BR LCM | 1:06.70 | 929 |
| 100 FL LCM | 59.31 | 841 |
| 200 IM LCM | 2:15.79 | 857 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 48.84
Front half 23.80s · back half 25.04s
200 Freestyle SCY 1:47.27 split/total mismatch
100 Backstroke SCY 58.20 split/total mismatch
200 Backstroke SCY 2:10.29
Front half 63.10s · back half 67.19s
100 Breaststroke SCY 1:02.72
Front half 29.84s · back half 32.88s
200 Breaststroke SCY 2:25.53
100 Butterfly SCY 52.71 split/total mismatch
200 Butterfly SCY 1:54.36 split/total mismatch
100 Individual Medley SCY 57.65
Front half 26.89s · back half 30.76s
200 Individual Medley SCY 1:55.80
100 Freestyle LCM 56.23 RT 0.67s
Front half 27.43s · back half 28.80s
100 Breaststroke LCM 1:06.70
200 Breaststroke LCM 2:52.60
Front half 82.62s · back half 89.98s
100 Butterfly LCM 59.31 RT 0.53s
Front half 28.03s · back half 31.28s
200 Individual Medley LCM 2:15.79 RT 0.53s
Front half 64.28s · back half 71.51s
400 Individual Medley LCM 4:51.79 RT 0.54s
Front half 139.40s · back half 152.39s
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.