Mason Bayless
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 25 Freestyle | SCY | 32.03 | 2020-02-24 | 2020 UT HAST SC Last Chance venue | |
| 50 Freestyle | SCY | 23.37 | AAA+0.98s to AAAA | 2026-03-07 | 2026 SC UTAGS Championships venue |
| 100 Freestyle | SCY | 53.22 | AA+2.03s to AAA | 2026-03-06 | 2026 SC UTAGS Championships venue |
| 200 Freestyle | SCY | 2:04.09 | BB+1.90s to A | 2025-03-06 | 2025 Short Course UTAGS Championships venue |
| 500 Freestyle | SCY | 6:41.06 | +15.07s to B | 2023-11-17 | 2023 UT HAST Fall Back Bash venue |
| 1650 Freestyle | SCY | 24:36.21 | +132.92s to B | 2023-11-18 | 2023 UT HAST Fall Back Bash venue |
| 25 Backstroke | SCY | 27.23 | 2020-02-24 | 2020 UT HAST SC Last Chance venue | |
| 50 Backstroke | SCY | 27.81 | A+0.12s to AA | 2026-03-06 | 2026 SC UTAGS Championships venue |
| 100 Backstroke | SCY | 1:00.09 | A+1.50s to AA | 2026-03-05 | 2026 SC UTAGS Championships venue |
| 200 Backstroke | SCY | 2:10.80 | A+3.31s to AA | 2026-03-07 | 2026 SC UTAGS Championships venue |
| 50 Breaststroke | SCY | 34.66 | BB+1.57s to A | 2025-11-14 | 2025 UT HAST Fall Back Bash venue |
| 100 Breaststroke | SCY | 1:12.54 | BB+3.45s to A | 2026-01-30 | 2026 UVRays Heart Attack Open venue |
| 50 Butterfly | SCY | 25.53 | AAA+0.64s to AAAA | 2026-03-05 | 2026 SC UTAGS Championships venue |
| 100 Individual Medley | SCY | 1:01.13 | 2026-03-07 | 2026 SC UTAGS Championships venue | |
| 200 Individual Medley | SCY | 2:19.55 | BB+4.16s to A | 2026-01-31 | 2026 UVRays Heart Attack Open venue |
| 50 Freestyle | LCM | 27.61 | AA+0.72s to AAA | 2025-07-19 | 2025 UTAGS LC Championships venue |
| 100 Freestyle | LCM | 1:00.88 | AA+1.89s to AAA | 2025-07-17 | 2025 UTAGS LC Championships venue |
| 200 Freestyle | LCM | 2:22.22 | BB+1.63s to A | 2026-06-11 | 2026 UT CHAT INVITATIONAL venue |
| 400 Freestyle | LCM | 6:33.93 | +44.04s to B | 2023-05-12 | 2023 HAST Janet Oles LC Classic venue |
| 50 Backstroke | LCM | 31.97 | AA+0.88s to AAA | 2025-07-19 | 2025 UTAGS LC Championships venue |
| 100 Backstroke | LCM | 1:11.07 | A+2.38s to AA | 2026-06-12 | 2026 UT CHAT INVITATIONAL venue |
| 200 Backstroke | LCM | 2:39.40 | BB+3.41s to A | 2026-06-13 | 2026 UT CHAT INVITATIONAL venue |
| 50 Breaststroke | LCM | 42.51 | B+1.52s to BB | 2025-06-23 | 2025 UT HAST RWB BC Medals Meet venue |
| 100 Breaststroke | LCM | 1:39.29 | +5.30s to B | 2024-06-22 | 2024 UT HAST RWB Invitational venue |
| 50 Butterfly | LCM | 29.85 | AA+0.56s to AAA | 2026-06-30 | 2026 UT HAST RWB Invitational venue |
| 100 Butterfly | LCM | 1:13.55 | BB+4.66s to A | 2026-06-30 | 2026 UT HAST RWB BC Medals Meet venue |
| 200 Individual Medley | LCM | 2:43.19 | BB+6.30s to A | 2025-05-09 | 2025 HAST Janet Oles LC Classic venue |
| 400 Individual Medley | LCM | 7:36.07 | +64.68s to B | 2023-06-27 | 2023 UT HAST RWB BC Medals Meet venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 14.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 28.10 | flying | 200 Free Relay (leg 2) | 2024-02-29 | 2024 UTAGS Short Course 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.
IMX / IMR
IMX 13-14 · LCM
1775 points (4/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 400 FR LCM | 6:33.93 | 291 |
| 200 BK LCM | 2:39.40 | 625 |
| 200 IM LCM | 2:43.19 | 594 |
| 400 IM LCM | 7:36.07 | 265 |
| 200 BR LCM | — | 0 |
| 200 FL LCM | — | 0 |
IMR 13-14 · LCM
2833 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:22.22 | 646 |
| 100 BK LCM | 1:11.07 | 689 |
| 100 BR LCM | 1:39.29 | 354 |
| 100 FL LCM | 1:13.55 | 550 |
| 200 IM LCM | 2:43.19 | 594 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 53.22
Front half 25.20s · back half 28.02s
200 Freestyle SCY 2:04.09
Front half 59.02s · back half 65.07s
500 Freestyle SCY 6:41.06
Front half 200.19s · back half 200.87s
1650 Freestyle SCY 24:36.21
Front half 645.86s · back half 830.35s
100 Backstroke SCY 1:00.09
Front half 28.93s · back half 31.16s
200 Backstroke SCY 2:10.80
Front half 64.10s · back half 66.70s
100 Breaststroke SCY 1:12.54
Front half 33.21s · back half 39.33s
100 Individual Medley SCY 1:01.13
Front half 27.65s · back half 33.48s
200 Individual Medley SCY 2:19.55
Front half 63.49s · back half 76.06s
100 Freestyle LCM 1:00.88
Front half 28.35s · back half 32.53s
200 Freestyle LCM 2:22.22
Front half 68.41s · back half 73.81s
400 Freestyle LCM 6:33.93
Front half 192.54s · back half 201.39s
100 Backstroke LCM 1:11.07
Front half 33.68s · back half 37.39s
200 Backstroke LCM 2:39.40
Front half 76.49s · back half 82.91s
100 Breaststroke LCM 1:39.29
Front half 46.86s · back half 52.43s
100 Butterfly LCM 1:13.55
Front half 34.00s · back half 39.55s
200 Individual Medley LCM 2:43.19
Front half 77.84s · back half 85.35s
400 Individual Medley LCM 7:36.07
Front half 233.02s · back half 223.05s
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.