swimWilliam Larson
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 27.10 | A+0.11s to AA | 2026-03-14 | 2026 Shawmut NE Cup Championship venue |
| 100 Freestyle | SCY | 1:00.48 | A+1.69s to AA | 2026-01-30 | 2026 NE CS Silver Championships |
| 200 Freestyle | SCY | 2:14.13 | BB+0.44s to A | 2026-03-14 | 2026 Shawmut NE Cup Championship venue |
| 500 Freestyle | SCY | 6:02.03 | BB+2.04s to A | 2026-01-30 | 2026 NE CS Silver Championships |
| 1000 Freestyle | SCY | 12:53.93 | BB+16.64s to A | 2026-01-16 | 2026 NE SAC Bronze Championships |
| 50 Backstroke | SCY | 30.67 | AA+0.98s to AAA | 2026-03-15 | 2026 Shawmut NE Cup Championship venue |
| 100 Backstroke | SCY | 1:05.92 | AA+3.13s to AAA | 2026-03-15 | 2026 Shawmut NE Cup Championship venue |
| 200 Backstroke | SCY | 2:24.92 | A+2.93s to AA | 2026-03-14 | 2026 Shawmut NE Cup Championship venue |
| 50 Breaststroke | SCY | 38.45 | BB+1.76s to A | 2026-01-30 | 2026 NE CS Silver Championships |
| 100 Breaststroke | SCY | 1:27.72 | B+2.23s to BB | 2026-01-30 | 2026 NE CS Silver Championships |
| 200 Breaststroke | SCY | 3:17.18 | +0.69s to B | 2025-10-12 | 2025 NE SAC Spooktacular - copied venue |
| 50 Butterfly | SCY | 29.48 | AA+1.29s to AAA | 2026-03-14 | 2026 Shawmut NE Cup Championship venue |
| 100 Butterfly | SCY | 1:11.77 | BB+2.48s to A | 2025-01-01 | 2025 SHAWMUT CANDY CANE CLASSIC |
| 100 Individual Medley | SCY | 1:10.83 | BB+0.84s to A | 2026-01-16 | 2026 NE SAC Bronze Championships |
| 200 Individual Medley | SCY | 2:32.28 | A+6.69s to AA | 2026-01-16 | 2026 NE SAC Bronze Championships |
| 400 Individual Medley | SCY | 5:32.51 | BB+9.02s to A | 2026-01-16 | 2026 NE SAC Bronze Championships |
| 50 Freestyle | LCM | 31.08 | A+0.29s to AA | 2026-06-07 | 2026 NE SAC America's Cup - copied venue |
| 100 Freestyle | LCM | 1:09.06 | A+1.57s to AA | 2026-06-05 | 2026 NE SAC America's Cup venue |
| 200 Freestyle | LCM | 2:34.55 | BB+0.96s to A | 2026-06-13 | 2026 NE CS Summer Solstice venue |
| 400 Freestyle | LCM | 5:23.55 | A+10.46s to AA | 2026-06-12 | 2026 NE CS Summer Solstice venue |
| 50 Backstroke | LCM | 34.27 | AAA+1.58s to AAAA | 2026-06-07 | 2026 NE SAC America's Cup - copied venue |
| 100 Backstroke | LCM | 1:13.68 | AAA+3.29s to AAAA | 2026-06-13 | 2026 NE CS Summer Solstice venue |
| 200 Backstroke | LCM | 2:41.30 | AA+1.81s to AAA | 2026-05-17 | 2026 NE CS Spring Fever venue |
| 50 Breaststroke | LCM | 46.77 | B+0.88s to BB | 2025-05-17 | 2025 NE SAC May Madness venue |
| 100 Breaststroke | LCM | 1:41.79 | B+2.20s to BB | 2026-05-02 | 2026 NE CS Spring Fling venue |
| 200 Breaststroke | LCM | 3:37.35 | B+5.76s to BB | 2026-05-02 | 2026 NE CS Spring Fling venue |
| 50 Butterfly | LCM | 33.60 | A+0.01s to AA | 2026-06-07 | 2026 NE SAC America's Cup - copied venue |
| 100 Butterfly | LCM | 1:18.45 | A+2.86s to AA | 2026-06-14 | 2026 NE CS Summer Solstice venue |
| 200 Individual Medley | LCM | 3:06.80 | BB+12.61s to A | 2025-06-20 | 2025 NE CS June Summer Solstice |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 12.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 27.73 | flat | 200 Free Relay | 2026-01-31 | 2026 NE CS Silver Championships |
| 50 Freestyle | SCY | 27.03 | flying | 200 Free Relay (leg 4) | 2026-02-01 | 2026 NE CS Silver Championships |
| 50 Breaststroke | SCY | 35.44 | flying | 200 Medley Relay (leg 2) | 2026-01-31 | 2026 NE CS Silver Championships |
| 100 Freestyle | LCM | 1:22.92 | flat | 400 Free Relay | 2024-07-12 | 2024 NE MST/ESC LCM 10 & U Champs |
| 100 Freestyle | LCM | 20.25 | flying | 400 Free Relay (leg 2) | 2025-07-18 | 2025 NE CS LCM 11-14 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 · LCM
3195 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 400 FR LCM | 5:23.55 | 689 |
| 100 BK LCM | 1:13.68 | 871 |
| 100 BR LCM | 1:41.79 | 467 |
| 100 FL LCM | 1:18.45 | 645 |
| 200 IM LCM | 3:06.80 | 523 |
IMR 11-12 · SCY
3371 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:14.13 | 663 |
| 50 BK SCY | 30.67 | 776 |
| 50 BR SCY | 38.45 | 549 |
| 50 FL SCY | 29.48 | 742 |
| 100 IM SCY | 1:10.83 | 641 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:00.48 split/total mismatch
Front half 28.84s · back half 31.64s
200 Freestyle SCY 2:14.13
Front half 65.68s · back half 68.45s
500 Freestyle SCY 6:02.03 split/total mismatch
1000 Freestyle SCY 12:53.93 split/total mismatch
100 Backstroke SCY 1:05.92
Front half 32.28s · back half 33.64s
200 Backstroke SCY 2:24.92
Front half 71.06s · back half 73.86s
100 Breaststroke SCY 1:27.72 split/total mismatch
Front half 42.55s · back half 45.17s
200 Breaststroke SCY 3:17.18
Front half 96.61s · back half 100.57s
100 Butterfly SCY 1:11.77 split/total mismatch
Front half 33.71s · back half 38.06s
200 Individual Medley SCY 2:32.28 split/total mismatch
400 Individual Medley SCY 5:32.51 split/total mismatch
200 Freestyle LCM 2:34.55
Front half 73.51s · back half 81.04s
400 Freestyle LCM 5:23.55
Front half 162.15s · back half 161.40s
100 Backstroke LCM 1:13.68
Front half 36.08s · back half 37.60s
200 Backstroke LCM 2:41.30
Front half 80.05s · back half 81.25s
100 Breaststroke LCM 1:41.79
Front half 47.60s · back half 54.19s
200 Breaststroke LCM 3:37.35
Front half 106.99s · back half 110.36s
100 Butterfly LCM 1:18.45
Front half 36.91s · back half 41.54s
200 Individual Medley LCM 3:06.80 split/total mismatch
Front half 23.69s · back half 163.11s
Progression
Faster times are higher. One card per event, all courses & history.