Mason Marco
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 22.61 | AA+0.22s to AAA | 2025-03-15 | 2025 Florida Swimming Spring Senior Champs venue |
| 100 Freestyle | SCY | 49.46 | AA+0.47s to AAA | 2025-03-16 | 2025 Florida Swimming Spring Senior Champs venue |
| 200 Freestyle | SCY | 1:52.29 | A+0.30s to AA | 2025-09-28 | 2025 Elizabeth Kazeck Fall Sprint venue |
| 500 Freestyle | SCY | 5:25.22 | BB+7.73s to A | 2024-10-20 | 2024 SLAC IMX Challenge Invitational venue |
| 1000 Freestyle | SCY | 11:01.51 | A+27.52s to AA | 2025-02-07 | 2025 Stanton C. Craigie Memorial Invitational venue |
| 100 Backstroke | SCY | 1:01.66 | BB+3.57s to A | 2025-09-27 | 2025 Elizabeth Kazeck Fall Sprint venue |
| 200 Backstroke | SCY | 2:17.32 | BB+10.03s to A | 2024-10-19 | 2024 SLAC IMX Challenge Invitational venue |
| 50 Breaststroke | SCY | 28.56 | AAA+0.97s to AAAA | 2026-03-13 | 2026 Fl Swimming Spring Senior Championships venue |
| 100 Breaststroke | SCY | 1:02.89 | AA+2.40s to AAA | 2026-03-15 | 2026 Fl Swimming Spring Senior Championships venue |
| 200 Breaststroke | SCY | 2:21.45 | A+4.16s to AA | 2026-03-13 | 2026 Fl Swimming Spring Senior Championships venue |
| 50 Butterfly | SCY | 24.77 | AAA+0.98s to AAAA | 2026-03-14 | 2026 Fl Swimming Spring Senior Championships venue |
| 100 Butterfly | SCY | 57.08 | A+1.79s to AA | 2024-09-29 | 2024 Elizabeth Kazeck Fall Sprint venue |
| 200 Butterfly | SCY | 2:18.82 | BB+9.63s to A | 2024-10-20 | 2024 SLAC IMX Challenge Invitational venue |
| 200 Individual Medley | SCY | 2:10.58 | BB+0.89s to A | 2025-02-09 | 2025 Stanton C. Craigie Memorial Invitational venue |
| 400 Individual Medley | SCY | 4:40.50 | BB+2.81s to A | 2024-11-15 | 2024 Patriot Aquatics Winter Invite venue |
| 50 Freestyle | LCM | 25.88 | AAA+1.09s to AAAA | 2025-05-17 | 2025 PA Long Course Invite venue |
| 100 Freestyle | LCM | 55.88 | AAA+1.99s to AAAA | 2025-07-20 | 2025 Florida Summer Senior Championships venue |
| 200 Freestyle | LCM | 2:10.88 | A+1.69s to AA | 2026-05-16 | 2026 PA Long Course Invite venue |
| 400 Freestyle | LCM | 4:57.75 | BB+10.16s to A | 2024-05-17 | 2024 PA Long Course Invite venue |
| 800 Freestyle | LCM | 10:25.65 | BB+29.46s to A | 2024-05-19 | 2024 PA Long Course Invite venue |
| 100 Backstroke | LCM | 1:13.06 | BB+4.97s to A | 2025-04-27 | 2025 Ron Nardozzi Pre-Derby Sprint Invite venue |
| 50 Breaststroke | LCM | 31.88 | AAA+0.39s to AAAA | 2026-06-12 | 2026 RAFC Summer Solstice Invitational venue |
| 100 Breaststroke | LCM | 1:12.28 | AA+1.69s to AAA | 2026-02-13 | 2026 SZSS Spring Championships venue |
| 200 Breaststroke | LCM | 2:52.03 | BB+4.54s to A | 2025-05-18 | 2025 PA Long Course Invite venue |
| 50 Butterfly | LCM | 28.20 | AA+0.01s to AAA | 2024-07-12 | 2024 FL Summer Age Group Championships venue |
| 100 Butterfly | LCM | 1:04.72 | A+1.53s to AA | 2024-07-14 | 2024 FL Summer Age Group Championships venue |
| 200 Individual Medley | LCM | 2:27.80 | A+2.81s to AA | 2026-05-17 | 2026 PA Long Course Invite venue |
| 400 Individual Medley | LCM | 5:25.39 | BB+3.00s to A | 2026-05-15 | 2026 PA Long Course Invite venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 16.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 23.43 | flying | 200 Free Relay (leg 2) | 2024-03-01 | 2024 Florida Swimming FLAGS NORTH |
| 100 Freestyle | SCY | 52.09 | flying | 400 Free Relay (leg 2) | 2024-03-03 | 2024 Florida Swimming FLAGS NORTH |
| 200 Freestyle | SCY | 1:58.32 | flat | 800 Free Relay | 2024-02-29 | 2024 Florida Swimming FLAGS NORTH |
| 50 Breaststroke | SCY | 30.07 | flying | 200 Medley Relay (leg 2) | 2024-02-29 | 2024 Florida Swimming FLAGS NORTH |
| 100 Breaststroke | SCY | 1:07.18 | flying | 400 Medley Relay (leg 2) | 2024-03-02 | 2024 Florida Swimming FLAGS NORTH |
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 15-16 · SCY
3653 points (6/6 events)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 5:25.22 | 613 |
| 200 BK SCY | 2:17.32 | 523 |
| 200 BR SCY | 2:21.45 | 694 |
| 200 FL SCY | 2:18.82 | 534 |
| 200 IM SCY | 2:10.58 | 651 |
| 400 IM SCY | 4:40.50 | 638 |
IMR 15-16 · LCM
3478 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:10.88 | 723 |
| 100 BK LCM | 1:13.06 | 539 |
| 100 BR LCM | 1:12.28 | 799 |
| 100 FL LCM | 1:04.72 | 704 |
| 200 IM LCM | 2:27.80 | 713 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 49.46 RT 1.09s
Front half 23.37s · back half 26.09s
200 Freestyle SCY 1:52.29
Front half 53.57s · back half 58.72s
500 Freestyle SCY 5:25.22
Front half 156.51s · back half 168.71s
1000 Freestyle SCY 11:01.51
Front half 323.05s · back half 338.46s
100 Backstroke SCY 1:01.66
Front half 29.47s · back half 32.19s
200 Backstroke SCY 2:17.32
Front half 67.14s · back half 70.18s
100 Breaststroke SCY 1:02.89
Front half 29.51s · back half 33.38s
200 Breaststroke SCY 2:21.45
Front half 65.50s · back half 75.95s
100 Butterfly SCY 57.08
Front half 26.61s · back half 30.47s
200 Butterfly SCY 2:18.82
Front half 61.99s · back half 76.83s
200 Individual Medley SCY 2:10.58
Front half 62.54s · back half 68.04s
400 Individual Medley SCY 4:40.50
Front half 138.54s · back half 141.96s
100 Freestyle LCM 55.88 RT 0.72s
Front half 26.55s · back half 29.33s
200 Freestyle LCM 2:10.88
Front half 62.25s · back half 68.63s
400 Freestyle LCM 4:57.75
Front half 144.61s · back half 153.14s
100 Breaststroke LCM 1:12.28
Front half 33.87s · back half 38.41s
200 Breaststroke LCM 2:52.03
Front half 80.64s · back half 91.39s
100 Butterfly LCM 1:04.72 RT 0.71s
Front half 30.18s · back half 34.54s
200 Individual Medley LCM 2:27.80
Front half 71.22s · back half 76.58s
400 Individual Medley LCM 5:25.39
Front half 159.39s · back half 166.00s
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.