swimSienna Mason
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 27.29 | BB+0.30s to A·+2.00s to Sectionals | 2025-07-20 | 2025 ISI Summer ACAD Regionalvenue |
| 100 Freestyle | SCY | 1:00.27 | BB+1.68s to A·+5.78s to Sectionals | 2025-03-27 | 2025 Sun Kissed Invitational Jr/Sr Champs |
| 50 Backstroke | SCY | 28.76 | A+0.07s to AA·+1.47s to Sectionals | 2025-03-27 | 2025 Sun Kissed Invitational Jr/Sr Champs |
| 100 Backstroke | SCY | 1:00.55 | AA+2.06s to AAA·+0.06s to Sectionals | 2025-03-27 | 2025 Sun Kissed Invitational Jr/Sr Champs |
| 200 Backstroke | SCY | 2:12.44 | AA+5.35s to AAA·+0.95s to Sectionals | 2025-03-27 | 2025 Sun Kissed Invitational Jr/Sr Champs |
| 50 Butterfly | SCY | 28.16 | AA+0.77s to AAA·+1.47s to Sectionals | 2025-07-20 | 2025 ISI Summer ACAD Regionalvenue |
| 100 Butterfly | SCY | 1:03.72 | BB+0.43s to A·+4.13s to Sectionals | 2025-03-27 | 2025 Sun Kissed Invitational Jr/Sr Champs |
| 100 Individual Medley | SCY | 1:07.88 | 2025-03-27 | 2025 Sun Kissed Invitational Jr/Sr Champs | |
| 200 Backstroke | LCM | 2:39.62 | A+5.13s to AA·+8.23s to Sectionals | 2024-07-28 | 2024 LC Illinois Senior Championshipsvenue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 18.
National cuts (Sectionals → Nationals) are the current-season meet qualifying times for the swimmer's zone and age group; ✓ marks the hardest cut already achieved.
IMX / IMR
IMX 17-18 · SCY
727 points (1/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 BK SCY | 2:12.44 | 727 |
| 500 FR SCY | — | 0 |
| 200 BR SCY | — | 0 |
| 200 FL SCY | — | 0 |
| 200 IM SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 17-18 · SCY
1398 points (2/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK SCY | 1:00.55 | 749 |
| 100 FL SCY | 1:03.72 | 649 |
| 200 FR SCY | — | 0 |
| 100 BR SCY | — | 0 |
| 200 IM SCY | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
200 Backstroke LCM 2:39.62 RT 0.73s
Front half 79.06s · back half 80.56s
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.
Swim history
Every recorded swim, newest first
| Date | Event | Course | Time | Age | Round | Meet |
|---|
Individual swims with a recorded date and time — including disqualifications — plus reconstructed relay legs (marked). Assembled in the browser from this page’s data.
Progression
Faster times are higher. One card per event, all courses & history.