swimZachary Blackford
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 34.97 | +2.18s to B | 2024-12-08 | 2024 NAAC Holiday Blast slow pool |
| 100 Freestyle | SCY | 1:14.04 | +2.55s to B | 2025-03-22 | 2025 MD LSC / NBAC 11 & Over Championships |
| 200 Freestyle | SCY | 2:43.66 | +7.67s to B | 2025-03-22 | 2025 MD LSC / NBAC 11 & Over Championships fast pool |
| 500 Freestyle | SCY | 7:40.09 | +40.20s to B | 2024-12-22 | 2024 Merritt Distance Meet venue |
| 50 Backstroke | SCY | 40.40 | +1.91s to B | 2025-03-22 | 2025 MD LSC / NBAC 11 & Over Championships |
| 100 Backstroke | SCY | 1:27.87 | +5.68s to B | 2025-03-22 | 2025 MD LSC / NBAC 11 & Over Championships fast pool |
| 50 Breaststroke | SCY | 51.09 | +7.60s to B | 2025-03-22 | 2025 MD LSC / NBAC 11 & Over Championships fast pool |
| 100 Breaststroke | SCY | 1:27.69 | B+2.20s to BB | 2022-12-03 | 2022 NAAC Holiday Blast |
| 50 Butterfly | SCY | 43.20 | +6.11s to B | 2024-12-07 | 2024 NAAC Holiday Blast slow pool |
| 100 Butterfly | SCY | 1:43.71 | +20.82s to B | 2024-03-10 | 2024 Speedo Maryland Junior Championship - Si venue |
| 200 Butterfly | SCY | 3:47.16 | +50.47s to B | 2022-12-03 | 2022 NAAC Holiday Blast |
| 100 Individual Medley | SCY | 1:29.07 | +7.18s to B | 2024-12-08 | 2024 NAAC Holiday Blast slow pool |
| 100 Freestyle | LCM | 1:37.00 | +14.91s to B | 2023-06-17 | 2023 ASC Independence Meet slow pool |
| 200 Freestyle | LCM | 3:51.76 | +52.57s to B | 2023-04-22 | 2023 EST Spring Into Long Course venue |
| 100 Breaststroke | LCM | 2:28.68 | +40.89s to B | 2023-04-22 | 2023 EST Spring Into Long Course venue |
| 50 Butterfly | LCM | 57.19 | +15.20s to B | 2023-06-17 | 2023 ASC Independence Meet slow pool |
| 200 Individual Medley | LCM | 4:12.48 | +47.49s to B | 2023-06-17 | 2023 ASC Independence Meet slow pool |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 12.
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
1276 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 7:40.09 | 320 |
| 100 BK SCY | 1:27.87 | 310 |
| 100 BR SCY | 1:27.69 | 462 |
| 100 FL SCY | 1:43.71 | 184 |
| 200 IM SCY | — | 0 |
IMR 11-12 · SCY
1495 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:43.66 | 365 |
| 50 BK SCY | 40.40 | 339 |
| 50 BR SCY | 51.09 | 234 |
| 50 FL SCY | 43.20 | 235 |
| 100 IM SCY | 1:29.07 | 322 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
200 Freestyle SCY 2:43.66
Front half 79.80s · back half 83.86s
500 Freestyle SCY 7:40.09
Front half 224.23s · back half 235.86s
100 Backstroke SCY 1:27.87
Front half 42.58s · back half 45.29s
100 Individual Medley SCY 1:29.07
Front half 40.42s · back half 48.65s
100 Freestyle LCM 1:37.00
Front half 46.55s · back half 50.45s
200 Freestyle LCM 3:51.76
Front half 106.09s · back half 125.67s
100 Breaststroke LCM 2:28.68
200 Individual Medley LCM 4:12.48
Front half 123.75s · back half 128.73s
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.