swimHayden Zhang
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 39.94 | +4.85s to B | 2025-01-12 | 2025 MT GFST Rapids Snowflake venue |
| 100 Freestyle | SCY | 1:34.53 | +18.44s to B | 2024-12-15 | 2024 MT BOZ TEDDY BEAR CLASSIC venue |
| 500 Freestyle | SCY | 9:30.28 | +124.09s to B | 2024-12-15 | 2024 MT BOZ TEDDY BEAR CLASSIC venue |
| 50 Backstroke | SCY | 50.10 | +8.91s to B | 2024-12-15 | 2024 MT BOZ TEDDY BEAR CLASSIC venue |
| 100 Backstroke | SCY | 1:49.01 | +19.22s to B | 2024-12-14 | 2024 MT BOZ TEDDY BEAR CLASSIC venue |
| 25 Breaststroke | SCY | 26.95 | 2025-01-12 | 2025 MT GFST Rapids Snowflake venue | |
| 50 Breaststroke | SCY | 56.53 | +9.64s to B | 2024-12-15 | 2024 MT BOZ TEDDY BEAR CLASSIC venue |
| 100 Breaststroke | SCY | 2:04.90 | +24.61s to B | 2025-01-11 | 2025 MT GFST Rapids Snowflake venue |
| 50 Butterfly | SCY | 1:04.31 | +24.22s to B | 2024-10-13 | 2024 MT HLST Jamie Turner Memorial venue |
| 100 Individual Medley | SCY | 1:50.34 | +22.25s to B | 2025-01-12 | 2025 MT GFST Rapids Snowflake venue |
| 200 Individual Medley | SCY | 3:52.09 | +39.40s to B | 2025-01-11 | 2025 MT GFST Rapids Snowflake venue |
| 50 Freestyle | LCM | 47.07 | +7.18s to B | 2025-04-12 | 2025 MT Bozeman Spring Chicken venue |
| 100 Freestyle | LCM | 1:47.37 | +19.58s to B | 2025-05-18 | 2025 MT Bozman May Classic venue |
| 200 Freestyle | LCM | 4:14.19 | +64.40s to B | 2024-07-07 | 2024 MT HLST Last Chance Invitational slow pool |
| 50 Backstroke | LCM | 55.58 | +7.99s to B | 2025-04-12 | 2025 MT Bozeman Spring Chicken venue |
| 100 Backstroke | LCM | 2:07.02 | +22.33s to B | 2024-06-22 | 2024 MT MAC 43rd Annual Firecracker Classic venue |
| 200 Backstroke | LCM | 4:53.92 | +76.93s to B | 2024-07-06 | 2024 MT HLST Last Chance Invitational slow pool |
| 50 Breaststroke | LCM | 1:09.47 | +16.08s to B | 2025-05-18 | 2025 MT Bozman May Classic venue |
| 100 Breaststroke | LCM | 2:34.90 | +37.71s to B | 2025-05-17 | 2025 MT Bozman May Classic venue |
| 50 Butterfly | LCM | 59.13 | +13.84s to B | 2025-05-17 | 2025 MT Bozman May Classic venue |
| 200 Individual Medley | LCM | 4:19.62 | +38.93s to B | 2025-04-12 | 2025 MT Bozeman Spring Chicken venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 11.
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.
IMX / IMR
IMX 11-12 · SCY
673 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 9:30.28 | 168 |
| 100 BK SCY | 1:49.01 | 162 |
| 100 BR SCY | 2:04.90 | 159 |
| 200 IM SCY | 3:52.09 | 184 |
| 100 FL SCY | — | 0 |
IMR 11-12 · LCM
817 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 4:14.19 | 147 |
| 50 BK LCM | 55.58 | 201 |
| 50 BR LCM | 1:09.47 | 140 |
| 50 FL LCM | 59.13 | 134 |
| 200 IM LCM | 4:19.62 | 195 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:34.53
Front half 44.87s · back half 49.66s
500 Freestyle SCY 9:30.28
Front half 285.35s · back half 284.93s
100 Backstroke SCY 1:49.01
Front half 50.78s · back half 58.23s
100 Breaststroke SCY 2:04.90
Front half 58.49s · back half 66.41s
100 Individual Medley SCY 1:50.34
Front half 54.14s · back half 56.20s
200 Individual Medley SCY 3:52.09
Front half 115.55s · back half 116.54s
200 Freestyle LCM 4:14.19
Front half 121.13s · back half 133.06s
200 Backstroke LCM 4:53.92
Front half 145.23s · back half 148.69s
200 Individual Medley LCM 4:19.62
Front half 117.34s · back half 142.28s
Progression
Faster times are higher. One card per event, all courses & history.