Mason Grundhoefer
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 26.88 | BB+1.29s to A·+4.49s to Sectionals | 2026-01-17 | PVS January Open 2026 - Fairland venue |
| 100 Freestyle | SCY | 57.73 | BB+1.94s to A·+9.24s to Sectionals | 2026-01-30 | 2026 WMPSSDL Championships venue |
| 200 Freestyle | SCY | 2:27.93 | +5.34s to B·+41.64s to Sectionals | 2025-11-14 | ISCA Fall Classic Championship 2025 venue |
| 500 Freestyle | SCY | 7:00.05 | +34.06s to B·+132.66s to Sectionals | 2025-10-25 | 2025 ASA Age Group Distance Meet venue |
| 50 Backstroke | SCY | 28.14 | A+0.45s to AA·+4.45s to Futures | 2026-01-18 | PVS January Open 2026 - Fairland venue |
| 100 Backstroke | SCY | 1:01.66 | BB+0.47s to A·+7.17s to Sectionals | 2026-02-09 | 2026 METRO Championships venue |
| 200 Backstroke | SCY | 2:20.46 | BB+7.47s to A·+21.87s to Sectionals | 2026-01-18 | PVS January Open 2026 - Fairland venue |
| 50 Breaststroke | SCY | 37.47 | B+1.68s to BB·+11.18s to Futures | 2026-01-18 | PVS January Open 2026 - Fairland venue |
| 100 Breaststroke | SCY | 1:28.71 | +8.12s to B·+27.22s to Sectionals | 2025-11-14 | ISCA Fall Classic Championship 2025 venue |
| 50 Butterfly | SCY | 29.17 | BB+0.78s to A·+6.28s to Futures | 2026-01-17 | PVS January Open 2026 - Fairland venue |
| 100 Butterfly | SCY | 1:08.85 | B+3.36s to BB·+15.66s to Sectionals | 2025-12-06 | 2025 Christmas Championships venue |
| 200 Individual Medley | SCY | 2:40.65 | +2.66s to B·+41.26s to Sectionals | 2025-11-15 | ISCA Fall Classic Championship 2025 venue |
| 50 Freestyle | LCM | 30.32 | BB+0.93s to A·+4.83s to Sectionals | 2026-05-03 | Speedo Spring Splash venue |
| 100 Freestyle | LCM | 1:10.72 | B+0.93s to BB·+15.23s to Sectionals | 2026-05-10 | 2026 VA State LC Champs venue |
| 200 Freestyle | LCM | 2:36.75 | B+4.46s to BB·+35.46s to Sectionals | 2026-05-03 | Speedo Spring Splash venue |
| 50 Backstroke | LCM | 33.50 | A+1.01s to AA·+5.61s to Futures | 2026-05-29 | Maryland State LC Championship venue |
| 100 Backstroke | LCM | 1:12.59 | BB+0.90s to A·+10.60s to Sectionals | 2026-06-26 | 2026 FXFX Summer Solstice LC Champs venue |
| 200 Backstroke | LCM | 2:46.77 | BB+10.78s to A·+31.98s to Sectionals | 2026-05-10 | 2026 VA State LC Champs venue |
| 100 Breaststroke | LCM | 1:45.57 | +11.58s to B·+35.88s to Sectionals | 2026-01-04 | 2026 AAC LC Invite venue |
| 50 Butterfly | LCM | 32.05 | BB+0.06s to A·+5.76s to Futures | 2026-06-26 | 2026 FXFX Summer Solstice LC Champs venue |
| 100 Butterfly | LCM | 1:20.27 | B+5.68s to BB·+20.08s to Sectionals | 2026-01-03 | 2026 AAC LC Invite venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 14.
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.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 26.72 | flat | 200 Free Relay | 2026-03-15 | 2026 PV SC 14 & Under Championships - copied |
| 50 Freestyle | SCY | 26.67 | flying | 200 Free Relay (leg 4) | 2025-12-07 | 2025 Christmas Championships |
| 100 Freestyle | SCY | 57.40 | flying | 400 Free Relay (leg 3) | 2026-03-13 | 2026 PV SC 14 & Under Championships - copied |
| 50 Backstroke | SCY | 28.70 | flat | 200 Medley Relay | 2026-03-14 | 2026 PV SC 14 & Under Championships - copied |
| 50 Breaststroke | SCY | 39.03 | flying | 200 Medley Relay (leg 2) | 2025-11-14 | ISCA Fall Classic Championship 2025 |
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 13-14 · SCY
1290 points (3/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 7:00.05 | 326 |
| 200 BK SCY | 2:20.46 | 563 |
| 200 IM SCY | 2:40.65 | 401 |
| 200 BR SCY | — | 0 |
| 200 FL SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 13-14 · SCY
2198 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:27.93 | 377 |
| 100 BK SCY | 1:01.66 | 652 |
| 100 BR SCY | 1:28.71 | 315 |
| 100 FL SCY | 1:08.85 | 453 |
| 200 IM SCY | 2:40.65 | 401 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 57.73
Front half 27.53s · back half 30.20s
200 Freestyle SCY 2:27.93
Front half 72.13s · back half 75.80s
500 Freestyle SCY 7:00.05
Front half 116.38s · back half 303.67s
100 Backstroke SCY 1:01.66
Front half 29.60s · back half 32.06s
200 Backstroke SCY 2:20.46
Front half 68.01s · back half 72.45s
100 Breaststroke SCY 1:28.71
Front half 42.12s · back half 46.59s
100 Butterfly SCY 1:08.85
Front half 31.04s · back half 37.81s
200 Individual Medley SCY 2:40.65
Front half 70.35s · back half 90.30s
200 Freestyle LCM 2:36.75
Front half 74.60s · back half 82.15s
100 Backstroke LCM 1:12.59
Front half 35.76s · back half 36.83s
200 Backstroke LCM 2:46.77
Front half 79.21s · back half 87.56s
100 Breaststroke LCM 1:45.57
Front half 50.19s · back half 55.38s
100 Butterfly LCM 1:20.27
Front half 35.30s · back half 44.97s
Progression
Faster times are higher. One card per event, all courses & history.