swimMateusz Stelmaszak
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 21.63 | 2024-03-13 | 1466378 | |
| 100 Butterfly | SCY | 49.70 | 2024-03-13 | 1466378 | |
| 50 Freestyle | LCM | 24.17 | 2025-08-02 | 2025 LC Illinois Senior Championships venue | |
| 100 Freestyle | LCM | 52.62 | 2025-08-03 | 2025 LC Illinois Senior Championships venue | |
| 50 Breaststroke | LCM | 31.99 | 2024-07-28 | 2024 LC Illinois Senior Championships venue | |
| 50 Butterfly | LCM | 25.97 | 2024-07-27 | 2024 LC Illinois Senior Championships venue | |
| 100 Butterfly | LCM | 57.09 | 2025-08-01 | 2025 LC Illinois Senior Championships venue |
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | LCM | 23.94 | flying | 200 Medley Relay (leg 4) | 2024-07-28 | 2024 LC Illinois Senior Championships |
| 50 Freestyle | LCM | 23.93 | flying | 200 Free Relay (leg 4) | 2024-07-27 | 2024 LC Illinois Senior 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.
PR splits
100 Freestyle LCM 52.62 RT 0.67s
Front half 25.33s · back half 27.29s
100 Butterfly LCM 57.09 RT 0.67s
Front half 26.52s · back half 30.57s
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.