Mason Hartwell
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 35.57 | +2.78s to B | 2025-09-27 | 2025 RMY Fall Invitational venue |
| 100 Freestyle | SCY | 1:18.32 | +6.83s to B | 2025-12-14 | Triad Tropic Invitational - copied venue |
| 50 Backstroke | SCY | 43.39 | +4.90s to B | 2025-12-14 | Triad Tropic Invitational - copied venue |
| 50 Breaststroke | SCY | 49.87 | +6.38s to B | 2026-03-28 | 2026 ECA ECSL Championships venue |
| 50 Butterfly | SCY | 41.24 | +4.15s to B | 2026-03-28 | 2026 ECA ECSL Championships venue |
| 100 Individual Medley | SCY | 1:37.40 | +15.51s to B | 2025-10-18 | 2025 NCAC IMX venue |
| 100 Freestyle | LCM | 1:38.99 | +16.90s to B | 2025-05-17 | 2025 EAC Memorial Invite venue |
| 50 Backstroke | LCM | 51.06 | +6.47s to B | 2025-05-17 | 2025 EAC Memorial Invite venue |
| 50 Butterfly | LCM | 50.29 | +8.30s to B | 2025-05-17 | 2025 EAC Memorial Invite venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 12.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 34.59 | flying | 200 Medley Relay (leg 4) | 2025-12-14 | Triad Tropic Invitational - copied |
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
IMR 11-12 · SCY
1042 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 50 BK SCY | 43.39 | 274 |
| 50 BR SCY | 49.87 | 251 |
| 50 FL SCY | 41.24 | 271 |
| 100 IM SCY | 1:37.40 | 246 |
| 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 1:18.32
Front half 37.60s · back half 40.72s
100 Individual Medley SCY 1:37.40 RT 1.69s
Front half 47.07s · back half 50.33s
100 Freestyle LCM 1:38.99
Front half 44.94s · back half 54.05s
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.