Willa Stack
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 26.84 | A+0.55s to AA | 2023-04-29 | 41st Annual Harry Mamizuka Invitational venue |
| 100 Freestyle | SCY | 55.96 | AA+1.47s to AAA | 2025-11-22 | HISI Senior Fall Championship (SCY) fast pool |
| 200 Freestyle | SCY | 2:11.92 | BB+3.83s to A | 2023-11-19 | 2023 HI Senior Fall Championship (SCY) venue |
| 50 Backstroke | SCY | 28.65 | AA+0.86s to AAA | 2025-11-22 | HISI Senior Fall Championship (SCY) fast pool |
| 100 Backstroke | SCY | 1:01.58 | AA+2.69s to AAA | 2026-02-14 | K. Mark Takai Swimming and Diving Champs fast pool |
| 200 Backstroke | SCY | 2:14.80 | A+1.31s to AA | 2025-11-23 | HISI Senior Fall Championship (SCY) fast pool |
| 50 Breaststroke | SCY | 36.33 | BB+0.94s to A | 2022-10-29 | 22nd Annual Bill Smith Invitational venue |
| 100 Breaststroke | SCY | 1:16.70 | BB+2.51s to A | 2023-10-29 | 2023 HI 23rd Annual Bill Smith Invitational venue |
| 50 Butterfly | SCY | 26.85 | AAA+0.56s to AAAA | 2025-11-21 | HISI Senior Fall Championship (SCY) fast pool |
| 100 Butterfly | SCY | 1:00.29 | AA+1.50s to AAA | 2026-01-30 | K. Mark Takai Swimming and Diving Champs venue |
| 200 Butterfly | SCY | 2:46.15 | B+11.66s to BB | 2023-02-19 | 2023 HI Hawaiian Swimming SCY AGChamps venue |
| 100 Individual Medley | SCY | 1:11.13 | 2022-09-24 | 2022 HI Al Minn Invitational slow pool | |
| 200 Individual Medley | SCY | 2:17.72 | A+0.33s to AA | 2025-11-23 | HISI Senior Fall Championship (SCY) fast pool |
| 50 Freestyle | LCM | 31.20 | BB+0.01s to A | 2023-06-03 | 2023 HI 12th Annual Rainbow Aquatics Invite venue |
| 100 Freestyle | LCM | 1:07.92 | BB+0.63s to A | 2023-07-02 | 2023 Keo Nakama Swim Meet venue |
| 50 Backstroke | LCM | 32.73 | AA+0.24s to AAA | 2026-06-19 | HISI Senior Summer Championship (LCM) venue |
| 100 Backstroke | LCM | 1:12.96 | A+1.07s to AA | 2026-06-18 | HISI Senior Summer Championship (LCM) venue |
| 200 Backstroke | LCM | 2:36.29 | A+2.00s to AA | 2026-04-25 | University of Hawaii Spring Fling venue |
| 100 Breaststroke | LCM | 1:32.31 | B+0.22s to BB | 2023-07-01 | 2023 Keo Nakama Swim Meet venue |
| 200 Breaststroke | LCM | 3:23.19 | B+5.60s to BB | 2023-06-03 | 2023 HI 12th Annual Rainbow Aquatics Invite venue |
| 50 Butterfly | LCM | 29.51 | AAA+0.12s to AAAA | 2026-06-18 | HISI Senior Summer Championship (LCM) venue |
| 100 Butterfly | LCM | 1:08.88 | AA+2.59s to AAA | 2026-06-21 | HISI Senior Summer Championship (LCM) venue |
| 200 Individual Medley | LCM | 2:38.99 | A+1.50s to AA | 2026-06-18 | HISI Senior Summer Championship (LCM) venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 16.
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 | 26.67 | flying | 200 Free Relay (leg 2) | 2023-10-28 | 2023 HI 23rd Annual Bill Smith Invitational |
| 50 Backstroke | SCY | 29.67 | flat | 200 Medley Relay | 2023-10-29 | 2023 HI 23rd Annual Bill Smith Invitational |
| 50 Butterfly | SCY | 29.34 | flying | 200 Medley Relay (leg 3) | 2023-04-30 | 41st Annual Harry Mamizuka Invitational |
| 100 Backstroke | LCM | 1:17.77 | flat | 400 Medley Relay | 2023-07-01 | 2023 Keo Nakama Swim Meet |
| 50 Butterfly | LCM | 28.00 | flying | 200 Medley Relay (leg 3) | 2026-06-19 | HISI Senior Summer Championship (LCM) |
| 100 Butterfly | LCM | 1:15.41 | flying | 400 Medley Relay (leg 3) | 2026-06-19 | HISI Senior Summer Championship (LCM) |
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 15-16 · LCM
1935 points (3/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 BK LCM | 2:36.29 | 720 |
| 200 BR LCM | 3:23.19 | 482 |
| 200 IM LCM | 2:38.99 | 733 |
| 400 FR LCM | — | 0 |
| 200 FL LCM | — | 0 |
| 400 IM LCM | — | 0 |
IMR 15-16 · SCY
3489 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:11.92 | 608 |
| 100 BK SCY | 1:01.58 | 755 |
| 100 BR SCY | 1:16.70 | 594 |
| 100 FL SCY | 1:00.29 | 792 |
| 200 IM SCY | 2:17.72 | 740 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 55.96
Front half 26.95s · back half 29.01s
200 Freestyle SCY 2:11.92
Front half 62.06s · back half 69.86s
100 Backstroke SCY 1:01.58
Front half 29.50s · back half 32.08s
200 Backstroke SCY 2:14.80
Front half 65.79s · back half 69.01s
100 Breaststroke SCY 1:16.70
Front half 36.19s · back half 40.51s
100 Butterfly SCY 1:00.29 RT 0.67s
Front half 28.10s · back half 32.19s
200 Butterfly SCY 2:46.15
Front half 75.47s · back half 90.68s
100 Individual Medley SCY 1:11.13
Front half 33.53s · back half 37.60s
200 Individual Medley SCY 2:17.72
Front half 63.91s · back half 73.81s
100 Backstroke LCM 1:12.96
Front half 35.74s · back half 37.22s
200 Backstroke LCM 2:36.29
Front half 76.32s · back half 79.97s
200 Breaststroke LCM 3:23.19
Front half 98.65s · back half 104.54s
100 Butterfly LCM 1:08.88
Front half 31.67s · back half 37.21s
200 Individual Medley LCM 2:38.99
Front half 73.64s · back half 85.35s
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.