swimWilliam Sheehan
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 25.07 | AA+0.68s to AAA | 2026-03-01 | 2026 Winter ISI Regionals- PAC fast pool |
| 100 Freestyle | SCY | 55.20 | AA+2.11s to AAA | 2026-02-28 | 2026 Winter ISI Regionals- PAC fast pool |
| 200 Freestyle | SCY | 2:04.65 | A+3.26s to AA | 2026-03-01 | 2026 Winter ISI Regionals- PAC fast pool |
| 500 Freestyle | SCY | 6:43.69 | +5.00s to B | 2024-11-01 | 2024 MAC A3 Performance November Invitational |
| 50 Backstroke | SCY | 33.42 | B+0.53s to BB | 2025-03-14 | 2025 WI Colorado Connection Invite venue |
| 100 Backstroke | SCY | 1:03.62 | A+2.53s to AA | 2026-03-01 | 2026 Winter ISI Regionals- PAC fast pool |
| 50 Breaststroke | SCY | 39.45 | B+1.86s to BB | 2025-03-16 | 2025 WI Colorado Connection Invite venue |
| 100 Breaststroke | SCY | 1:13.01 | BB+0.72s to A | 2026-02-28 | 2026 Winter ISI Regionals- PAC fast pool |
| 50 Butterfly | SCY | 31.02 | BB+1.33s to A | 2025-03-16 | 2025 WI Colorado Connection Invite venue |
| 100 Butterfly | SCY | 1:16.14 | +2.35s to B | 2024-07-13 | 2024 IL BSC Summer Regional Championships slow pool |
| 200 Butterfly | SCY | 3:06.34 | +21.05s to B | 2024-07-12 | 2024 IL BSC Summer Regional Championships slow pool |
| 100 Individual Medley | SCY | 1:11.51 | 2025-03-14 | 2025 WI Colorado Connection Invite venue | |
| 200 Individual Medley | SCY | 2:17.52 | A+2.23s to AA | 2026-02-28 | 2026 Winter ISI Regionals- PAC fast pool |
| 400 Individual Medley | SCY | 5:05.65 | BB+3.26s to A | 2026-02-27 | 2026 Winter ISI Regionals- PAC fast pool |
| 50 Freestyle | LCM | 31.57 | BB+0.98s to A | 2025-05-18 | 2025 WI SWAT LC May-Hem venue |
| 100 Freestyle | LCM | 1:15.52 | B+2.93s to BB | 2024-06-01 | LFSC SwimFest LC 2024 slow pool |
| 200 Freestyle | LCM | 2:51.17 | +1.18s to B | 2024-06-30 | 2024 Last Dance Open venue |
| 400 Freestyle | LCM | 6:33.55 | +33.66s to B | 2024-05-10 | Blue Devil Swim Club May Mania venue |
| 50 Backstroke | LCM | 38.28 | BB+2.89s to A | 2024-06-30 | 2024 Last Dance Open venue |
| 100 Backstroke | LCM | 1:23.97 | B+2.88s to BB | 2025-05-18 | 2025 WI SWAT LC May-Hem venue |
| 200 Backstroke | LCM | 3:09.95 | +0.16s to B | 2024-06-30 | 2024 Last Dance Open venue |
| 100 Breaststroke | LCM | 1:47.20 | +10.01s to B | 2025-05-17 | 2025 WI SWAT LC May-Hem venue |
| 50 Butterfly | LCM | 38.07 | B+1.78s to BB | 2024-06-29 | 2024 Last Dance Open venue |
| 100 Butterfly | LCM | 1:30.87 | +6.78s to B | 2025-05-18 | 2025 WI SWAT LC May-Hem venue |
| 200 Individual Medley | LCM | 3:10.82 | +0.43s to B | 2024-06-29 | 2024 Last Dance Open venue |
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 Freestyle | SCY | 28.47 | flat | 200 Free Relay | 2024-07-14 | 2024 IL BSC Summer Regional Championships |
| 100 Freestyle | SCY | 1:03.85 | flat | 400 Free Relay | 2025-03-15 | 2025 WI Colorado Connection Invite |
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 · SCY
1827 points (4/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 6:43.69 | 368 |
| 200 FL SCY | 3:06.34 | 251 |
| 200 IM SCY | 2:17.52 | 639 |
| 400 IM SCY | 5:05.65 | 569 |
| 200 BK SCY | — | 0 |
| 200 BR SCY | — | 0 |
IMR 13-14 · SCY
2763 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:04.65 | 630 |
| 100 BK SCY | 1:03.62 | 594 |
| 100 BR SCY | 1:13.01 | 565 |
| 100 FL SCY | 1:16.14 | 335 |
| 200 IM SCY | 2:17.52 | 639 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 55.20
Front half 26.13s · back half 29.07s
200 Freestyle SCY 2:04.65
Front half 58.76s · back half 65.89s
500 Freestyle SCY 6:43.69
Front half 199.08s · back half 204.61s
100 Backstroke SCY 1:03.62
Front half 30.85s · back half 32.77s
100 Breaststroke SCY 1:13.01
Front half 34.25s · back half 38.76s
100 Butterfly SCY 1:16.14
Front half 36.45s · back half 39.69s
200 Butterfly SCY 3:06.34
Front half 85.59s · back half 100.75s
100 Individual Medley SCY 1:11.51
Front half 32.84s · back half 38.67s
200 Individual Medley SCY 2:17.52
Front half 64.67s · back half 72.85s
400 Individual Medley SCY 5:05.65
Front half 144.73s · back half 160.92s
100 Freestyle LCM 1:15.52
Front half 36.21s · back half 39.31s
200 Freestyle LCM 2:51.17
Front half 85.59s · back half 85.58s
400 Freestyle LCM 6:33.55
Front half 196.38s · back half 197.17s
100 Backstroke LCM 1:23.97
Front half 40.30s · back half 43.67s
200 Backstroke LCM 3:09.95
Front half 96.39s · back half 93.56s
100 Breaststroke LCM 1:47.20
Front half 49.99s · back half 57.21s
100 Butterfly LCM 1:30.87
Front half 41.33s · back half 49.54s
200 Individual Medley LCM 3:10.82
Front half 89.10s · back half 101.72s
Progression
Faster times are higher. One card per event, all courses & history.