Sienna McKinney
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 25.40 | AAAA | 2025-12-12 | 2025 ST AAAA NS Winter Wonderland |
| 100 Freestyle | SCY | 1:09.29 | BB+5.20s to A | 2026-02-06 | 2026 ST AQTX STX Champs North |
| 200 Freestyle | SCY | 2:37.89 | B+6.20s to BB | 2026-01-18 | 2026 ST AQTX B Champs North venue |
| 500 Freestyle | SCY | 7:00.06 | B+13.97s to BB | 2026-01-17 | 2026 ST AQTX B Champs North venue |
| 50 Backstroke | SCY | 36.53 | B+0.44s to BB | 2026-03-31 | 2026 ST AQTX TNR 3.31.2026 venue |
| 100 Backstroke | SCY | 1:21.90 | B+2.11s to BB | 2026-01-17 | 2026 ST AQTX B Champs North venue |
| 50 Breaststroke | SCY | 45.11 | +1.12s to B | 2025-09-20 | 2025 ST AQTX Round Rock Unclassified venue |
| 100 Breaststroke | SCY | 1:47.91 | +11.42s to B | 2025-09-21 | 2025 ST AQTX Round Rock Unclassified venue |
| 50 Butterfly | SCY | 39.25 | +2.26s to B | 2025-11-08 | 2025 ST TXLA 11&O November Unclassified Invit venue |
| 100 Butterfly | SCY | 1:04.11 | AAA+2.12s to AAAA | 2024-12-13 | 2024 ST AAAA NS Winter Wonderland |
| 100 Individual Medley | SCY | 1:28.36 | +3.07s to B | 2025-09-20 | 2025 ST AQTX Round Rock Unclassified venue |
| 200 Individual Medley | SCY | 3:00.29 | B+9.50s to BB | 2026-01-18 | 2026 ST AQTX B Champs North venue |
| 50 Freestyle | LCM | 37.29 | B+1.30s to BB | 2025-05-31 | 2025 ST HPAC Sunshine Splash venue |
| 100 Freestyle | LCM | 1:18.75 | BB+5.26s to A | 2026-04-11 | 2026 ST LSAC 6th Annual Atomic Fest venue |
| 200 Freestyle | LCM | 2:47.12 | BB+7.03s to A | 2026-05-17 | 2026 ST TXLA 11&O End of School Splash venue |
| 400 Freestyle | LCM | 6:28.49 | B+23.70s to BB | 2026-04-19 | 2026 ST CCSS LC Distance Meet venue |
| 50 Backstroke | LCM | 43.26 | B+1.57s to BB | 2026-06-26 | 2026 NEAT Long Course STX Championship |
| 100 Backstroke | LCM | 1:29.05 | BB+4.26s to A | 2025-06-20 | 2025 ST AAAA NS George Block Invite |
| 200 Backstroke | LCM | 3:25.87 | B+12.58s to BB | 2026-04-25 | 2026 ST CCSS LC Unclassified venue |
| 50 Breaststroke | LCM | 57.66 | +7.87s to B | 2024-06-23 | 2024 ST TXLA 12&U Sprint Cup venue |
| 100 Breaststroke | LCM | 1:56.94 | +6.55s to B | 2025-06-06 | 2025 ST SRG Arena Summer Sizzler fast pool |
| 200 Breaststroke | LCM | 4:03.30 | +6.01s to B | 2026-04-25 | 2026 ST CCSS LC Unclassified venue |
| 50 Butterfly | LCM | 39.46 | B+0.67s to BB | 2026-04-10 | 2026 ST LSAC 6th Annual Atomic Fest venue |
| 100 Butterfly | LCM | 1:46.10 | +7.71s to B | 2025-06-22 | 2025 ST AAAA NS George Block Invite fast pool |
| 200 Butterfly | LCM | 3:55.04 | +23.95s to B | 2026-04-19 | 2026 ST CCSS LC Distance Meet venue |
| 200 Individual Medley | LCM | 3:24.13 | B+8.34s to BB | 2026-04-25 | 2026 ST CCSS LC Unclassified venue |
| 400 Individual Medley | LCM | 7:20.05 | B+23.26s to BB | 2026-04-11 | 2026 ST LSAC 6th Annual Atomic Fest venue |
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.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 100 Freestyle | LCM | 1:21.67 | flying | 400 Free Relay (leg 2) | 2026-06-26 | 2026 NEAT Long Course STX Championship |
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 11-12 · SCY
2554 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 7:00.06 | 474 |
| 100 BK SCY | 1:21.90 | 448 |
| 100 BR SCY | 1:47.91 | 290 |
| 100 FL SCY | 1:04.11 | 895 |
| 200 IM SCY | 3:00.29 | 447 |
IMR 11-12 · LCM
2291 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:47.12 | 585 |
| 50 BK LCM | 43.26 | 468 |
| 50 BR LCM | 57.66 | 272 |
| 50 FL LCM | 39.46 | 503 |
| 200 IM LCM | 3:24.13 | 463 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
200 Freestyle SCY 2:37.89
Front half 75.19s · back half 82.70s
500 Freestyle SCY 7:00.06
Front half 210.28s · back half 209.78s
100 Backstroke SCY 1:21.90
Front half 39.50s · back half 42.40s
100 Breaststroke SCY 1:47.91
Front half 51.14s · back half 56.77s
100 Individual Medley SCY 1:28.36
Front half 40.25s · back half 48.11s
200 Individual Medley SCY 3:00.29
Front half 83.41s · back half 96.88s
100 Freestyle LCM 1:18.75
Front half 37.31s · back half 41.44s
200 Freestyle LCM 2:47.12
Front half 79.43s · back half 87.69s
400 Individual Medley LCM 7:20.05
Front half 210.74s · back half 229.31s
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.