swimHayden Hefferan
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 32.61 | BB+0.42s to A | 2026-02-28 | 2026 Winter ISI Regionals- MAVS - copied - co venue |
| 50 Breaststroke | SCY | 41.58 | A+0.69s to AA | 2026-03-01 | 2026 Winter ISI Regionals- MAVS - copied - co venue |
| 100 Breaststroke | SCY | 1:33.21 | A+4.12s to AA | 2026-02-28 | 2026 Winter ISI Regionals- MAVS - copied - co venue |
| 100 Individual Medley | SCY | 1:24.66 | BB+2.07s to A | 2026-03-01 | 2026 Winter ISI Regionals- MAVS - copied - co venue |
| 50 Breaststroke | LCM | 50.08 | BB+1.29s to A | 2025-08-02 | 2025 ISI LC 10 and Under Age Group Championsh fast pool |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 10.
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 10 & under · SCY
636 points (1/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BR SCY | 1:33.21 | 636 |
| 200 FR SCY | — | 0 |
| 100 BK SCY | — | 0 |
| 100 FL SCY | — | 0 |
| 200 IM SCY | — | 0 |
IMR 10 & under · SCY
1287 points (2/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 50 BR SCY | 41.58 | 698 |
| 100 IM SCY | 1:24.66 | 589 |
| 100 FR SCY | — | 0 |
| 50 BK SCY | — | 0 |
| 50 FL SCY | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Breaststroke SCY 1:33.21
Front half 43.80s · back half 49.41s
100 Individual Medley SCY 1:24.66
Front half 41.78s · back half 42.88s
Progression
Faster times are higher. One card per event, all courses & history.