swimMason Cao
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 24.83 | BB+0.44s to A·+2.54s to Sectionals | 2025-10-04 | 2025 Swim Atlanta October Invitevenue |
| 100 Freestyle | SCY | 54.98 | BB+1.49s to A·+6.69s to Sectionals | 2025-10-05 | 2025 Swim Atlanta October Invitevenue |
| 50 Breaststroke | SCY | 29.49 | AA+0.60s to AAA·Sectionals ✓+3.20s to Futures | 2025-10-05 | 2025 Swim Atlanta October Invitevenue |
| 100 Breaststroke | SCY | 1:04.47 | A+1.28s to AA·+1.78s to Sectionals | 2025-10-04 | 2025 Swim Atlanta October Invitevenue |
| 200 Breaststroke | SCY | 2:23.50 | BB+0.31s to A·+4.21s to Sectionals | 2025-10-05 | 2025 Swim Atlanta October Invitevenue |
| 100 Individual Medley | SCY | 1:00.65 | 2025-10-04 | 2025 Swim Atlanta October Invitevenue | |
| 200 Individual Medley | SCY | 2:24.19 | B+3.70s to BB·+24.80s to Sectionals | 2024-10-13 | 2024 Swim Atlanta October Invitevenue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 16.
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 15-16 · SCY
1148 points (2/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 BR SCY | 2:23.50 | 665 |
| 200 IM SCY | 2:24.19 | 483 |
| 500 FR SCY | — | 0 |
| 200 BK SCY | — | 0 |
| 200 FL SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 15-16 · SCY
1199 points (2/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BR SCY | 1:04.47 | 716 |
| 200 IM SCY | 2:24.19 | 483 |
| 200 FR SCY | — | 0 |
| 100 BK SCY | — | 0 |
| 100 FL SCY | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 54.98 RT 0.64s
Front half 26.22s · back half 28.76s
100 Breaststroke SCY 1:04.47 RT 0.69s
Front half 30.65s · back half 33.82s
200 Breaststroke SCY 2:23.50 RT 0.65s
Front half 69.16s · back half 74.34s
100 Individual Medley SCY 1:00.65 RT 0.65s
Front half 29.69s · back half 30.96s
200 Individual Medley SCY 2:24.19 RT 0.70s
Front half 67.45s · back half 76.74s
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.