swimWilliam Harrison
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 20.18 | AAAA | 2025-12-11 | 2025 West Speedo Winter Juniors venue |
| 100 Freestyle | SCY | 44.69 | AAAA | 2025-12-13 | 2025 West Speedo Winter Juniors venue |
| 200 Freestyle | SCY | 1:40.90 | AAA+0.31s to AAAA | 2026-01-11 | 2026 ST TXLA New Year's Classic Invite venue |
| 50 Backstroke | SCY | 23.83 | AAA+0.64s to AAAA | 2025-12-21 | 2025 ST SASA Tis the Season venue |
| 100 Backstroke | SCY | 51.35 | AAA+2.16s to AAAA | 2025-12-22 | 2025 ST SASA Tis the Season venue |
| 50 Butterfly | SCY | 22.71 | AAAA | 2025-12-21 | 2025 ST SASA Tis the Season venue |
| 100 Butterfly | SCY | 51.94 | AA+0.35s to AAA | 2025-03-06 | LAC 2025 Speedo Sectional Championship Series |
| 50 Freestyle | LCM | 23.60 | AAAA | 2026-06-19 | 2026 ST ASC Firecracker venue |
| 100 Freestyle | LCM | 51.72 | AAAA | 2025-07-10 | 2025 ST TXLA SZ LC Sectional Champs venue |
| 200 Freestyle | LCM | 2:00.81 | AA+0.12s to AAA | 2025-07-11 | 2025 ST TXLA SZ LC Sectional Champs venue |
| 50 Backstroke | LCM | 28.33 | AAA+0.34s to AAAA | 2025-07-30 | 2025 Speedo Junior National Championships fast pool |
| 100 Backstroke | LCM | 1:01.39 | AAA+2.70s to AAAA | 2025-05-17 | 2025 ST AAAA NS Salute to the Troops fast pool |
| 50 Breaststroke | LCM | 32.96 | AA+0.77s to AAA | 2026-05-02 | 2026 ST AAAA 23rd Annual Cinco de Mayo venue |
| 100 Breaststroke | LCM | 1:05.31 | AAA+0.02s to AAAA | 2026-05-01 | 2026 ST AAAA 23rd Annual Cinco de Mayo |
| 50 Butterfly | LCM | 25.80 | AAAA | 2026-06-19 | 2026 ST ASC Firecracker venue |
| 100 Butterfly | LCM | 1:00.39 | AA+1.50s to AAA | 2025-06-14 | 2025 ST ASC Firecracker venue |
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 Freestyle | SCY | 44.37 | flying | 400 Free Relay (leg 2) | 2025-04-13 | 2025 ST SASA Sombrero Champs |
| 50 Freestyle | LCM | 23.49 | flying | 200 Free Relay (leg 2) | 2025-07-30 | 2025 Speedo Junior National Championships |
| 50 Freestyle | LCM | 23.18 | flying | 200 Medley Relay (leg 4) | 2025-08-01 | 2025 Speedo Junior National Championships |
| 100 Freestyle | LCM | 52.01 | flying | 400 Medley Relay (leg 4) | 2025-08-03 | 2025 Speedo Junior National 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
IMR 17-18 · LCM
3491 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:00.81 | 855 |
| 100 BK LCM | 1:01.39 | 851 |
| 100 BR LCM | 1:05.31 | 989 |
| 100 FL LCM | 1:00.39 | 796 |
| 200 IM 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 44.69
Front half 21.23s · back half 23.46s
200 Freestyle SCY 1:40.90
Front half 46.46s · back half 54.44s
100 Backstroke SCY 51.35
Front half 24.53s · back half 26.82s
100 Butterfly SCY 51.94 split/total mismatch
100 Freestyle LCM 51.72
Front half 24.57s · back half 27.15s
200 Freestyle LCM 2:00.81
Front half 57.05s · back half 63.76s
100 Backstroke LCM 1:01.39
Front half 28.97s · back half 32.42s
100 Butterfly LCM 1:00.39
Front half 27.04s · back half 33.35s
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.