swimJamie Herdman
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 25.93 | A+0.04s to AA | 2025-11-21 | 2025 ECA Southeastern Classic venue |
| 100 Freestyle | SCY | 57.18 | A+0.99s to AA | 2026-03-29 | 2026 ECA ECSL Championships venue |
| 200 Freestyle | SCY | 2:04.50 | A+2.41s to AA | 2025-11-22 | 2025 ECA Southeastern Classic venue |
| 500 Freestyle | SCY | 5:36.80 | A+9.71s to AA | 2025-11-21 | 2025 ECA Southeastern Classic venue |
| 100 Backstroke | SCY | 1:10.76 | B+1.67s to BB | 2025-10-11 | 2025 CAT Rock the Block slow pool |
| 50 Breaststroke | SCY | 37.34 | BB+2.35s to A | 2026-02-08 | 2026 ECA Feb Intrasquad Qualifier venue |
| 100 Breaststroke | SCY | 1:19.82 | B+0.73s to BB | 2026-03-28 | 2026 ECA ECSL Championships venue |
| 100 Butterfly | SCY | 1:01.78 | A+1.09s to AA | 2025-11-22 | 2025 ECA Southeastern Classic venue |
| 200 Butterfly | SCY | 2:22.85 | BB+2.66s to A | 2025-11-23 | 2025 ECA Southeastern Classic venue |
| 50 Freestyle | LCM | 31.62 | BB+0.63s to A | 2025-05-17 | 2025 ECA Beach Invitational slow pool |
| 100 Freestyle | LCM | 1:09.03 | BB+2.04s to A | 2025-05-18 | 2025 ECA Beach Invitational slow pool |
| 200 Freestyle | LCM | 2:29.41 | BB+4.32s to A | 2025-05-17 | 2025 ECA Beach Invitational slow pool |
| 50 Butterfly | LCM | 32.21 | A+0.32s to AA | 2025-05-18 | 2025 ECA Beach Invitational slow pool |
| 100 Butterfly | LCM | 1:16.65 | BB+4.46s to A | 2025-05-17 | 2025 ECA Beach Invitational slow pool |
| 200 Individual Medley | LCM | 2:53.47 | BB+10.48s to A | 2025-05-18 | 2025 ECA Beach Invitational slow pool |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 18.
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 |
|---|---|---|---|---|---|---|
| 100 Backstroke | SCY | 1:09.09 | flat | 400 Medley Relay | 2024-03-16 | WV 2024 Short Course Championships 2 Pools |
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 · SCY
1312 points (2/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 5:36.80 | 688 |
| 200 FL SCY | 2:22.85 | 624 |
| 200 BK SCY | — | 0 |
| 200 BR SCY | — | 0 |
| 200 IM SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 17-18 · SCY
2383 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:04.50 | 697 |
| 100 BK SCY | 1:10.76 | 469 |
| 100 BR SCY | 1:19.82 | 505 |
| 100 FL SCY | 1:01.78 | 712 |
| 200 IM SCY | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 57.18
Front half 27.57s · back half 29.61s
200 Freestyle SCY 2:04.50
Front half 60.84s · back half 63.66s
500 Freestyle SCY 5:36.80
Front half 160.10s · back half 176.70s
100 Backstroke SCY 1:10.76
Front half 35.07s · back half 35.69s
100 Breaststroke SCY 1:19.82
Front half 37.60s · back half 42.22s
100 Butterfly SCY 1:01.78
Front half 28.73s · back half 33.05s
200 Butterfly SCY 2:22.85
Front half 65.64s · back half 77.21s
200 Freestyle LCM 2:29.41
Front half 73.98s · back half 75.43s
200 Individual Medley LCM 2:53.47
Front half 84.85s · back half 88.62s
Progression
Faster times are higher. One card per event, all courses & history.