swimWalker Butterfield
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 28.17 | BB+0.08s to A | 2026-01-17 | 2026 CO CUDA Classic venue |
| 100 Freestyle | SCY | 59.26 | A+0.47s to AA | 2026-02-28 | 2026 CO CSI SC Age Group Championships fast pool |
| 200 Freestyle | SCY | 2:05.17 | AA+2.58s to AAA | 2026-02-28 | 2026 CO CSI SC Age Group Championships fast pool |
| 500 Freestyle | SCY | 5:26.78 | AAA+11.79s to AAAA | 2026-02-27 | 2026 CO CSI SC Age Group Championships fast pool |
| 50 Backstroke | SCY | 31.85 | A+0.66s to AA | 2026-01-17 | 2026 CO CUDA Classic venue |
| 100 Backstroke | SCY | 1:07.96 | A+1.97s to AA | 2026-03-01 | 2026 CO CSI SC Age Group Championships fast pool |
| 50 Breaststroke | SCY | 33.90 | AA+0.61s to AAA | 2026-02-28 | 2026 CO CSI SC Age Group Championships fast pool |
| 100 Breaststroke | SCY | 1:13.65 | AA+2.26s to AAA | 2026-02-27 | 2026 CO CSI SC Age Group Championships fast pool |
| 200 Breaststroke | SCY | 2:41.28 | AA+6.89s to AAA | 2026-03-01 | 2026 CO CSI SC Age Group Championships fast pool |
| 50 Butterfly | SCY | 31.29 | BB+0.10s to A | 2026-01-18 | 2026 CO CUDA Classic venue |
| 100 Butterfly | SCY | 1:12.05 | BB+2.76s to A | 2025-01-01 | 2025 CO HRA SBL Turkey Trot |
| 100 Individual Medley | SCY | 1:11.11 | BB+1.12s to A | 2025-01-01 | 2025 CO CUDA Pentathlon XXXVIII |
| 200 Individual Medley | SCY | 2:30.82 | A+5.23s to AA | 2025-01-01 | 2025 CO CSI Pioneer Open |
| 400 Individual Medley | SCY | 5:45.63 | BB+22.14s to A | 2025-01-01 | 2025 CO CUDA 500 Freestyle Meet |
| 50 Freestyle | LCM | 30.69 | AA+1.30s to AAA | 2026-05-30 | 2026 CO Barracuda Summer Sizzler Invite venue |
| 100 Freestyle | LCM | 1:06.45 | AA+1.96s to AAA | 2026-05-31 | 2026 CO Barracuda Summer Sizzler Invite venue |
| 200 Freestyle | LCM | 2:21.94 | AA+1.15s to AAA | 2026-06-13 | 2026 CO CSI Long Course Open fast pool |
| 400 Freestyle | LCM | 5:04.24 | AA+4.75s to AAA | 2026-04-24 | 2026 CO Steve Drozda LC Shotgun venue |
| 50 Backstroke | LCM | 37.40 | A+1.31s to AA | 2026-04-12 | 2026 CO NJ SBL Pentathlon 12&U fast pool |
| 100 Backstroke | LCM | 1:23.46 | BB+1.57s to A | 2025-04-27 | 2025 CO Steve Drozda LC Shotgun venue |
| 50 Breaststroke | LCM | 38.35 | AA+0.26s to AAA | 2026-04-25 | 2026 CO Steve Drozda LC Shotgun venue |
| 100 Breaststroke | LCM | 1:23.01 | AAA+4.02s to AAAA | 2026-05-30 | 2026 CO Barracuda Summer Sizzler Invite venue |
| 200 Breaststroke | LCM | 3:00.47 | AA+1.38s to AAA | 2026-06-12 | 2026 CO CSI Long Course Open fast pool |
| 50 Butterfly | LCM | 35.84 | BB+0.55s to A | 2026-04-12 | 2026 CO NJ SBL Pentathlon 12&U fast pool |
| 100 Butterfly | LCM | 1:28.04 | B+0.75s to BB | 2025-07-25 | 2025 CO CSI Age Group Championships |
| 200 Individual Medley | LCM | 2:49.01 | A+2.52s to AA | 2026-05-16 | 2026 CO ACES Spring Invite venue |
| 400 Individual Medley | LCM | 5:56.40 | AA+12.31s to AAA | 2026-05-15 | 2026 CO ACES Spring Invite 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 |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 27.87 | flat | 200 Free Relay | 2026-03-01 | 2026 CO CSI SC Age Group Championships |
| 50 Freestyle | SCY | 26.60 | flying | 200 Free Relay (leg 4) | 2025-03-02 | 2025 CO CSI 14&U Age Group Championships |
| 50 Breaststroke | SCY | 34.83 | flying | 200 Medley Relay (leg 2) | 2026-02-28 | 2026 CO CSI SC Age Group Championships |
| 50 Freestyle | LCM | 34.46 | flat | 200 Free Relay | 2024-07-28 | 2024 CO CSI LC Age Group Championships |
| 50 Breaststroke | LCM | 42.97 | flying | 200 Medley Relay (leg 2) | 2025-07-26 | 2025 CO CSI Age Group 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 11-12 · SCY
3566 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 5:26.78 | 895 |
| 100 BK SCY | 1:07.96 | 670 |
| 100 BR SCY | 1:13.65 | 779 |
| 100 FL SCY | 1:12.05 | 551 |
| 200 IM SCY | 2:30.82 | 671 |
IMR 11-12 · LCM
3652 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:21.94 | 848 |
| 50 BK LCM | 37.40 | 661 |
| 50 BR LCM | 38.35 | 833 |
| 50 FL LCM | 35.84 | 603 |
| 200 IM LCM | 2:49.01 | 707 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 59.26
Front half 28.96s · back half 30.30s
200 Freestyle SCY 2:05.17
Front half 61.38s · back half 63.79s
500 Freestyle SCY 5:26.78
Front half 161.13s · back half 165.65s
100 Backstroke SCY 1:07.96
Front half 33.57s · back half 34.39s
100 Breaststroke SCY 1:13.65
Front half 34.15s · back half 39.50s
200 Breaststroke SCY 2:41.28
Front half 80.48s · back half 80.80s
100 Freestyle LCM 1:06.45
Front half 31.67s · back half 34.78s
200 Freestyle LCM 2:21.94
Front half 68.27s · back half 73.67s
100 Backstroke LCM 1:23.46
Front half 41.11s · back half 42.35s
200 Breaststroke LCM 3:00.47
Front half 85.94s · back half 94.53s
200 Individual Medley LCM 2:49.01
Front half 82.82s · back half 86.19s
400 Individual Medley LCM 5:56.40
Front half 177.92s · back half 178.48s
Progression
Faster times are higher. One card per event, all courses & history.