Isabelle Yoon
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 25.69 | 2025-05-28 | 2025 LOSC MAY Intrasquad venue | |
| 100 Freestyle | SCY | 53.26 | 2024-01-14 | 2024 PN VAST 47th Annual Washington Open venue | |
| 200 Freestyle | SCY | 1:53.49 | 2023-03-30 | 2023 Western Zone SCY Senior Zones venue | |
| 100 Backstroke | SCY | 56.32 | 2023-03-10 | 2023 Northwest Spring Speedo Sectionals venue | |
| 200 Backstroke | SCY | 1:59.78 | 2023-03-11 | 2023 Northwest Spring Speedo Sectionals venue | |
| 100 Breaststroke | SCY | 1:09.02 | 2024-01-13 | 2024 PN VAST 47th Annual Washington Open venue | |
| 100 Butterfly | SCY | 1:00.20 | 2022-03-30 | 2022 Western Zone SCY Senior Zones venue | |
| 200 Individual Medley | SCY | 2:05.91 | 2023-03-12 | 2023 Northwest Spring Speedo Sectionals venue | |
| 50 Freestyle | LCM | 27.79 | 2025-06-28 | 2025 Howard Jones Open venue | |
| 100 Freestyle | LCM | 1:00.69 | 2024-03-14 | 2024 Northwest Spring Speedo Sectionals venue | |
| 200 Freestyle | LCM | 2:13.11 | 2025-06-29 | 2025 Howard Jones Open venue | |
| 50 Backstroke | LCM | 30.56 | 2025-06-28 | 2025 Howard Jones Open venue | |
| 100 Backstroke | LCM | 1:04.42 | 2024-03-15 | 2024 Northwest Spring Speedo Sectionals venue | |
| 200 Backstroke | LCM | 2:19.35 | 2025-01-01 | Mt. Hood Aquatics venue | |
| 200 Individual Medley | LCM | 2:26.39 | 2024-07-14 | 2024 Speedo Sectionals - Mt Hood venue |
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 24.59 | flying | 200 Free Relay (leg 4) | 2022-03-31 | 2022 Western Zone SCY Senior Zones |
| 100 Freestyle | LCM | 1:00.04 | flying | 400 Free Relay (leg 3) | 2024-03-15 | 2024 Northwest Spring Speedo Sectionals |
| 200 Freestyle | LCM | 2:09.85 | flying | 800 Free Relay (leg 3) | 2024-03-16 | 2024 Northwest Spring Speedo Sectionals |
| 100 Backstroke | LCM | 1:04.22 | flat | 400 Medley Relay | 2024-03-17 | 2024 Northwest Spring Speedo 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 53.26
Front half 25.91s · back half 27.35s
200 Freestyle SCY 1:53.49
Front half 55.77s · back half 57.72s
100 Backstroke SCY 56.32 RT 0.65s
Front half 27.21s · back half 29.11s
200 Backstroke SCY 1:59.78 RT 0.66s
Front half 58.31s · back half 61.47s
100 Breaststroke SCY 1:09.02
Front half 32.33s · back half 36.69s
100 Butterfly SCY 1:00.20
Front half 27.86s · back half 32.34s
200 Individual Medley SCY 2:05.91
Front half 58.11s · back half 67.80s
200 Freestyle LCM 2:13.11
Front half 65.74s · back half 67.37s
100 Backstroke LCM 1:04.42 RT 0.65s
Front half 31.07s · back half 33.35s
200 Individual Medley LCM 2:26.39
Front half 67.60s · back half 78.79s
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.