swimMitchell Duff
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 100 Freestyle | SCY | 1:07.37 | B+4.68s to BB | 2024-01-01 | 1556418 |
| 100 Backstroke | SCY | 1:19.46 | +5.07s to B | 2024-01-01 | 1556418 |
| 50 Breaststroke | SCY | 33.96 | A+0.67s to AA | 2026-03-01 | 2026 Winter ISI Regionals- LWSA venue |
| 100 Breaststroke | SCY | 1:14.72 | BB+2.43s to A | 2026-02-28 | 2026 Winter ISI Regionals- LWSA venue |
| 400 Individual Medley | SCY | 5:45.75 | B+18.16s to BB | 2025-01-01 | 1612049 |
| 50 Freestyle | LCM | 32.57 | BB+1.98s to A | 2025-01-01 | 1607071 |
| 100 Freestyle | LCM | 1:15.65 | B+3.06s to BB | 2025-05-09 | 2025 David Armbruster Open |
| 200 Freestyle | LCM | 2:46.08 | B+8.19s to BB | 2025-01-01 | 1607071 |
| 100 Backstroke | LCM | 1:28.00 | +0.61s to B | 2025-01-01 | 1607071 |
| 50 Breaststroke | LCM | 39.72 | BB+0.33s to A | 2023-08-04 | 2023 Central Zone 14 & U Championship - KS slow pool |
| 100 Breaststroke | LCM | 1:26.70 | BB+3.41s to A | 2025-01-01 | 1607071 |
| 200 Breaststroke | LCM | 3:17.78 | BB+14.89s to A | 2025-01-01 | 1607071 |
| 50 Butterfly | LCM | 38.54 | B+2.25s to BB | 2025-01-01 | 1599147 |
| 200 Individual Medley | LCM | 3:04.55 | B+7.76s to BB | 2025-01-01 | 1607071 |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 13.
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 Breaststroke | LCM | 40.42 | flying | 200 Medley Relay (leg 2) | 2024-07-28 | 2024 IA Long Course Championships |
| 100 Breaststroke | LCM | 1:30.14 | flying | 400 Medley Relay (leg 2) | 2024-07-27 | 2024 IA Long Course Championships |
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 13-14 · LCM
864 points (2/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 BR LCM | 3:17.78 | 454 |
| 200 IM LCM | 3:04.55 | 410 |
| 400 FR LCM | — | 0 |
| 200 BK LCM | — | 0 |
| 200 FL LCM | — | 0 |
| 400 IM LCM | — | 0 |
IMR 13-14 · LCM
1711 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:46.08 | 406 |
| 100 BK LCM | 1:28.00 | 363 |
| 100 BR LCM | 1:26.70 | 532 |
| 200 IM LCM | 3:04.55 | 410 |
| 100 FL LCM | — | 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 1:07.37
Front half 31.90s · back half 35.47s
100 Backstroke SCY 1:19.46
Front half 38.33s · back half 41.13s
100 Breaststroke SCY 1:14.72
Front half 34.56s · back half 40.16s
400 Individual Medley SCY 5:45.75 split/total mismatch
200 Freestyle LCM 2:46.08 split/total mismatch
100 Backstroke LCM 1:28.00 split/total mismatch
Front half 41.90s · back half 46.10s
100 Breaststroke LCM 1:26.70 split/total mismatch
Front half 39.50s · back half 47.20s
200 Breaststroke LCM 3:17.78 split/total mismatch
200 Individual Medley LCM 3:04.55 split/total mismatch
Progression
Faster times are higher. One card per event, all courses & history.