Mason Tonz
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 36.03 | +0.94s to B | 2025-01-25 | 2025 Speedo Sprint Cup Challenge venue |
| 100 Freestyle | SCY | 1:16.20 | +0.11s to B | 2025-01-12 | 2025 WI SWAT Winter Grand Prix venue |
| 500 Freestyle | SCY | 7:54.94 | +28.75s to B | 2024-12-06 | 2024 WI Dale Schrank Memorial Meet venue |
| 25 Backstroke | SCY | 37.93 | 2024-11-22 | 2024 OSHY Champion Meet | |
| 50 Backstroke | SCY | 41.48 | +0.29s to B | 2025-02-09 | 2025 NBSC Valentines Meet venue |
| 50 Breaststroke | SCY | 44.78 | B+1.59s to BB | 2026-01-24 | 2026 Speedo Sprint Cup Challenge |
| 100 Breaststroke | SCY | 1:43.46 | +3.17s to B | 2025-02-08 | 2025 NBSC Valentines Meet venue |
| 50 Butterfly | SCY | 42.52 | +2.43s to B | 2025-02-08 | 2025 NBSC Valentines Meet venue |
| 100 Individual Medley | SCY | 1:31.26 | +3.17s to B | 2025-01-11 | 2025 WI SWAT Winter Grand Prix venue |
| 200 Individual Medley | SCY | 3:17.31 | +4.62s to B | 2025-01-12 | 2025 WI SWAT Winter Grand Prix venue |
| 50 Freestyle | LCM | 40.28 | +0.39s to B | 2025-05-30 | 2025 BAC Jack Pettinger Invitational |
| 100 Freestyle | LCM | 1:28.84 | +1.05s to B | 2025-05-17 | 2025 WI SWAT LC May-Hem venue |
| 200 Freestyle | LCM | 3:17.82 | +8.03s to B | 2025-05-18 | 2025 WI SWAT LC May-Hem venue |
| 400 Freestyle | LCM | 6:46.71 | +4.92s to B | 2025-06-13 | 2025 WI SWAT Summer Grand Prix venue |
| 50 Backstroke | LCM | 46.42 | B+2.43s to BB | 2026-05-16 | 2026 WI SWAT LC May-Hem |
| 100 Backstroke | LCM | 1:48.44 | +3.75s to B | 2025-05-18 | 2025 WI SWAT LC May-Hem venue |
| 50 Breaststroke | LCM | 53.71 | +0.32s to B | 2025-05-30 | 2025 BAC Jack Pettinger Invitational |
| 100 Breaststroke | LCM | 1:56.18 | B+7.99s to BB | 2025-05-30 | 2025 BAC Jack Pettinger Invitational |
| 50 Butterfly | LCM | 45.41 | +0.12s to B | 2024-05-18 | 2024 WI SWAT May-Hem |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 11.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 40.84 | flat | 200 Free Relay | 2024-10-20 | 2024 NBSC Oktoberfest Meet |
| 50 Freestyle | SCY | 46.77 | flying | 200 Free Relay (leg 2) | 2024-01-27 | 2024 Speedo Sprint Cup Challenge |
| 50 Butterfly | SCY | 48.72 | flying | 200 Medley Relay (leg 3) | 2024-12-07 | 2024 WI Dale Schrank Memorial Meet |
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 · LCM
934 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 400 FR LCM | 6:46.71 | 347 |
| 100 BK LCM | 1:48.44 | 273 |
| 100 BR LCM | 1:56.18 | 314 |
| 100 FL LCM | — | 0 |
| 200 IM LCM | — | 0 |
IMR 11-12 · LCM
1258 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 3:17.82 | 313 |
| 50 BK LCM | 46.42 | 346 |
| 50 BR LCM | 53.71 | 303 |
| 50 FL LCM | 45.41 | 296 |
| 200 IM LCM | — | 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 1:16.20
Front half 36.67s · back half 39.53s
500 Freestyle SCY 7:54.94
Front half 227.86s · back half 247.08s
100 Breaststroke SCY 1:43.46
Front half 46.21s · back half 57.25s
100 Individual Medley SCY 1:31.26
Front half 44.03s · back half 47.23s
200 Individual Medley SCY 3:17.31
Front half 97.33s · back half 99.98s
100 Freestyle LCM 1:28.84
Front half 41.92s · back half 46.92s
200 Freestyle LCM 3:17.82
Front half 96.91s · back half 100.91s
400 Freestyle LCM 6:46.71
Front half 200.01s · back half 206.70s
50 Backstroke LCM 46.42 split/total mismatch
Front half 40.91s · back half 5.51s
100 Backstroke LCM 1:48.44
Front half 52.73s · back half 55.71s
Progression
Faster times are higher. One card per event, all courses & history.