swimHailey Tierney
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 22.91 | 2021-12-09 | 2021 West Speedo Winter Juniors venue | |
| 100 Freestyle | SCY | 50.52 | 2021-12-11 | 2021 West Speedo Winter Juniors venue | |
| 100 Backstroke | SCY | 54.09 | 2021-12-10 | 2021 West Speedo Winter Juniors venue | |
| 100 Butterfly | SCY | 55.12 | 2021-12-10 | 2021 West Speedo Winter Juniors venue | |
| 50 Freestyle | LCM | 25.87 | 2024-05-19 | 2024 MAC LC Midwest Invitational venue | |
| 100 Freestyle | LCM | 56.72 | 2024-06-01 | 2024 BAC Jack Pettinger Invitational venue | |
| 50 Butterfly | LCM | 27.39 | 2025-07-24 | 2025 TYR FUTURES MADISON venue | |
| 100 Butterfly | LCM | 1:02.08 | 2024-07-13 | 2024 CZ North Section Summer Sectionals venue |
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 22.71 | flying | 200 Free Relay (leg 2) | 2021-12-10 | 2021 West Speedo Winter Juniors |
| 100 Freestyle | SCY | 50.29 | flat | 400 Free Relay | 2021-12-11 | 2021 West Speedo Winter Juniors |
| 100 Backstroke | SCY | 54.18 | flat | 400 Medley Relay | 2021-12-09 | 2021 West Speedo Winter Juniors |
| 100 Freestyle | LCM | 56.21 | flying | 400 Free Relay (leg 2) | 2024-07-12 | 2024 CZ North Section Summer Sectionals |
Reconstructed from relay split marks. Flat = lead-off (comparable to individual times); flying starts run ~0.5–0.7s fast and are not PRs.
PR splits
100 Freestyle SCY 50.52 RT 0.67s
Front half 24.08s · back half 26.44s
100 Backstroke SCY 54.09
Front half 26.07s · back half 28.02s
100 Butterfly SCY 55.12 RT 0.68s
Front half 25.62s · back half 29.50s
100 Butterfly LCM 1:02.08 RT 0.52s
Front half 28.30s · back half 33.78s
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.