Mark Xu
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 48.18 | 2026-03-08 | 2026 MSA March Madness Invitational venue | |
| 100 Freestyle | SCY | 1:57.45 | 2026-03-07 | 2026 MSA March Madness Invitational venue | |
| 50 Backstroke | SCY | 54.42 | 2026-03-08 | 2026 MSA March Madness Invitational venue | |
| 100 Backstroke | SCY | 2:06.43 | 2026-03-07 | 2026 MSA March Madness Invitational venue | |
| 50 Breaststroke | SCY | 58.73 | 2026-03-08 | 2026 MSA March Madness Invitational venue | |
| 100 Breaststroke | SCY | 2:12.35 | 2026-03-07 | 2026 MSA March Madness Invitational venue |
IMX / IMR
IMX 10 & under · SCY
372 points (2/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK SCY | 2:06.43 | 162 |
| 100 BR SCY | 2:12.35 | 210 |
| 200 FR SCY | — | 0 |
| 100 FL SCY | — | 0 |
| 200 IM SCY | — | 0 |
IMR 10 & under · SCY
580 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 FR SCY | 1:57.45 | 137 |
| 50 BK SCY | 54.42 | 206 |
| 50 BR SCY | 58.73 | 237 |
| 50 FL SCY | — | 0 |
| 100 IM 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 1:57.45
Front half 53.67s · back half 63.78s
100 Backstroke SCY 2:06.43
Front half 59.76s · back half 66.67s
Progression
Faster times are higher. One card per event, all courses & history.