swimMauricio De Marco
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 29.88 | A+1.09s to AA | 2025-12-04 | RAFC Winter Classic |
| 100 Freestyle | SCY | 55.94 | AAAA | 2025-10-25 | 2025 Halloween Spooktacular |
| 50 Backstroke | SCY | 39.61 | B+1.52s to BB | 2025-09-27 | 2025 Elizabeth Kazeck Fall Sprint venue |
| 100 Backstroke | SCY | 1:37.82 | +8.03s to B | 2025-03-01 | 2025 Spring Area 2 Championships venue |
| 50 Breaststroke | SCY | 41.16 | BB+1.67s to A | 2025-10-25 | 2025 Halloween Spooktacular venue |
| 50 Butterfly | SCY | 36.41 | BB+2.72s to A | 2025-09-28 | 2025 Elizabeth Kazeck Fall Sprint venue |
| 100 Butterfly | SCY | 1:01.01 | AAAA | 2025-12-04 | RAFC Winter Classic |
| 100 Individual Medley | SCY | 1:20.00 | BB+4.71s to A | 2025-10-25 | 2025 Halloween Spooktacular venue |
| 200 Individual Medley | SCY | 2:44.96 | BB+1.27s to A | 2025-12-07 | RAFC Winter Classic venue |
| 50 Freestyle | LCM | 31.51 | AA+0.12s to AAA | 2026-05-16 | 2026 PA Long Course Invite venue |
| 100 Freestyle | LCM | 1:24.07 | B+2.58s to BB | 2025-05-31 | Hydro4 Summer Open slow pool |
| 50 Breaststroke | LCM | 40.62 | AAA+1.93s to AAAA | 2026-05-16 | 2026 PA Long Course Invite venue |
| 50 Butterfly | LCM | 45.62 | +0.33s to B | 2025-04-26 | 10th Annual Hohne Memorial Invitational venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 11.
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 |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 34.03 | flat | 200 Free Relay | 2025-03-01 | 2025 Spring Area 2 Championships |
Reconstructed from relay split marks. Flat = lead-off (comparable to individual times); flying starts run ~0.5–0.7s fast and are not PRs.
IMX / IMR
IMX 11-12 · SCY
1645 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK SCY | 1:37.82 | 224 |
| 100 FL SCY | 1:01.01 | 908 |
| 200 IM SCY | 2:44.96 | 513 |
| 500 FR SCY | — | 0 |
| 100 BR SCY | — | 0 |
IMR 11-12 · SCY
1645 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 50 BK SCY | 39.61 | 360 |
| 50 BR SCY | 41.16 | 447 |
| 50 FL SCY | 36.41 | 393 |
| 100 IM SCY | 1:20.00 | 445 |
| 200 FR 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 55.94 split/total mismatch
100 Backstroke SCY 1:37.82 RT 0.73s
Front half 47.88s · back half 49.94s
100 Butterfly SCY 1:01.01 split/total mismatch
100 Individual Medley SCY 1:20.00
Front half 39.56s · back half 40.44s
200 Individual Medley SCY 2:44.96
Front half 80.51s · back half 84.45s
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.