Sienna Lefeber
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 500 Freestyle | SCY | 5:09.32 | 2023-03-11 | 2023 Northwest Spring Speedo Sectionals venue | |
| 1000 Freestyle | SCY | 10:29.94 | 2023-03-09 | 2023 Northwest Spring Speedo Sectionals venue | |
| 1650 Freestyle | SCY | 17:47.04 | 2023-03-12 | 2023 Northwest Spring Speedo Sectionals venue | |
| 100 Backstroke | SCY | 58.02 | 2025-03-01 | 2025 IES Short Course Championships fast pool | |
| 200 Backstroke | SCY | 2:07.07 | 2025-03-02 | 2025 IES Short Course Championships fast pool | |
| 100 Butterfly | SCY | 59.96 | 2025-03-01 | 2025 IES Short Course Championships fast pool | |
| 200 Butterfly | SCY | 2:09.80 | 2025-02-28 | 2025 IES Short Course Championships fast pool | |
| 400 Individual Medley | SCY | 4:43.56 | 2025-03-01 | 2025 IES Short Course Championships fast pool | |
| 100 Freestyle | LCM | 1:02.77 | 2021-07-27 | Finals - Western Zone Senior Champs fast pool | |
| 200 Freestyle | LCM | 2:17.81 | 2022-07-28 | Finals - Western Zone Senior Champs fast pool | |
| 400 Freestyle | LCM | 4:45.94 | 2024-03-16 | 2024 Northwest Spring Speedo Sectionals venue | |
| 800 Freestyle | LCM | 9:51.84 | 2024-03-14 | 2024 Northwest Spring Speedo Sectionals venue | |
| 1500 Freestyle | LCM | 18:37.36 | 2024-03-17 | 2024 Northwest Spring Speedo Sectionals venue | |
| 100 Backstroke | LCM | 1:10.54 | 2024-03-15 | 2024 Northwest Spring Speedo Sectionals venue | |
| 200 Backstroke | LCM | 2:36.09 | 2024-07-13 | 2024 Speedo Sectionals - Mt Hood venue | |
| 50 Butterfly | LCM | 32.29 | 2025-06-20 | Bend Swim Club Sun Country Invite venue | |
| 100 Butterfly | LCM | 1:07.65 | 2024-07-13 | 2024 Speedo Sectionals - Mt Hood venue | |
| 200 Butterfly | LCM | 2:32.16 | 2025-07-17 | 2025 Speedo Sectionals - Mt Hood WZ venue | |
| 200 Individual Medley | LCM | 2:38.18 | 2022-07-29 | Finals - Western Zone Senior Champs fast pool | |
| 400 Individual Medley | LCM | 5:31.69 | 2021-07-28 | Finals - Western Zone Senior Champs fast pool |
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 | LCM | 1:02.68 | flying | 400 Free Relay (leg 3) | 2024-03-15 | 2024 Northwest Spring Speedo Sectionals |
| 200 Freestyle | LCM | 2:16.20 | flat | 800 Free Relay | 2024-03-16 | 2024 Northwest Spring Speedo Sectionals |
| 200 Freestyle | LCM | 2:18.98 | flying | 800 Free Relay (leg 3) | 2022-07-27 | Finals - Western Zone Senior Champs |
| 100 Backstroke | LCM | 1:11.56 | flat | 400 Medley Relay | 2022-07-29 | Finals - Western Zone Senior Champs |
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
500 Freestyle SCY 5:09.32
Front half 151.38s · back half 157.94s
1000 Freestyle SCY 10:29.94 RT 0.46s
Front half 312.08s · back half 317.86s
1650 Freestyle SCY 17:47.04
100 Backstroke SCY 58.02
Front half 27.76s · back half 30.26s
200 Backstroke SCY 2:07.07
Front half 62.36s · back half 64.71s
100 Butterfly SCY 59.96
Front half 28.04s · back half 31.92s
200 Butterfly SCY 2:09.80
Front half 60.88s · back half 68.92s
400 Individual Medley SCY 4:43.56
Front half 132.11s · back half 151.45s
100 Freestyle LCM 1:02.77
Front half 30.37s · back half 32.40s
200 Freestyle LCM 2:17.81
Front half 67.03s · back half 70.78s
400 Freestyle LCM 4:45.94
Front half 139.58s · back half 146.36s
800 Freestyle LCM 9:51.84
Front half 218.78s · back half 373.06s
1500 Freestyle LCM 18:37.36
Front half 558.38s · back half 558.98s
200 Backstroke LCM 2:36.09
Front half 75.99s · back half 80.10s
100 Butterfly LCM 1:07.65
Front half 31.18s · back half 36.47s
200 Butterfly LCM 2:32.16
Front half 71.58s · back half 80.58s
200 Individual Medley LCM 2:38.18
Front half 70.00s · back half 88.18s
400 Individual Medley LCM 5:31.69
Front half 156.13s · back half 175.56s
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.