Margaux Byrne
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 25 Freestyle | SCY | 18.63 | 2023-10-07 | 2023 BD Del Norte 1venue | |
| 50 Freestyle | SCY | 30.42 | +5.53s to Sectionals | 2026-03-01 | 2026 BD SCY Border Champsvenue |
| 100 Freestyle | SCY | 1:06.85 | +12.76s to Sectionals | 2025-11-07 | 2025 Santa Fe Veteran's Day Invitational |
| 25 Backstroke | SCY | 21.57 | 2023-10-07 | 2023 BD Del Norte 1venue | |
| 50 Backstroke | SCY | 37.92 | +9.33s to Sectionals | 2025-12-21 | 2025 BD Leo Cancellare Memorial Swim Meetvenue |
| 100 Backstroke | SCY | 1:20.48 | +19.69s to Sectionals | 2026-03-01 | 2026 BD SCY Border Champsvenue |
| 50 Breaststroke | SCY | 44.40 | +10.81s to Sectionals | 2026-01-23 | 2026 BD JCAT IMX 2026 |
| 100 Breaststroke | SCY | 1:39.21 | +28.32s to Sectionals | 2026-02-14 | 2026 BD Arctic BLAST Swim Meetvenue |
| 25 Butterfly | SCY | 26.37 | 2023-10-07 | 2023 BD Del Norte 1venue | |
| 50 Butterfly | SCY | 42.06 | +14.67s to Sectionals | 2025-10-26 | 2025 BD SWAToberfest Sprintacularvenue |
| 100 Individual Medley | SCY | 1:21.51 | 2026-03-01 | 2026 BD SCY Border Champsvenue | |
| 200 Individual Medley | SCY | 3:41.70 | +89.11s to Sectionals | 2024-09-20 | 2024 LCAT Daniel France Memorial PecanClassic |
| 50 Freestyle | LCM | 1:07.96 | +39.57s to Sectionals | 2022-04-23 | 2022 BD BAT Spring Flingvenue |
| 50 Backstroke | LCM | 1:10.36 | +37.47s to Sectionals | 2022-04-24 | 2022 BD BAT Spring Flingvenue |
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 | 35.17 | flat | 200 Free Relay | 2025-03-02 | 2025 BD Border Championship |
| 50 Freestyle | SCY | 32.02 | flying | 200 Medley Relay (leg 4) | 2026-02-28 | 2026 BD SCY Border Champs |
| 50 Freestyle | SCY | 31.45 | flying | 200 Free Relay (leg 4) | 2026-03-01 | 2026 BD SCY Border Champs |
| 50 Backstroke | SCY | 40.04 | flat | 200 Medley Relay | 2025-10-25 | 2025 BD SWAToberfest Sprintacular |
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 10 & under · SCY
1525 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK SCY | 1:20.48 | 674 |
| 100 BR SCY | 1:39.21 | 528 |
| 200 IM SCY | 3:41.70 | 323 |
| 200 FR SCY | — | 0 |
| 100 FL SCY | — | 0 |
IMR 10 & under · SCY
3067 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 100 FR SCY | 1:06.85 | 789 |
| 50 BK SCY | 37.92 | 634 |
| 50 BR SCY | 44.40 | 573 |
| 50 FL SCY | 42.06 | 411 |
| 100 IM SCY | 1:21.51 | 660 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Backstroke SCY 1:20.48
Front half 38.71s · back half 41.77s
100 Breaststroke SCY 1:39.21
Front half 47.89s · back half 51.32s
100 Individual Medley SCY 1:21.51
Front half 39.25s · back half 42.26s
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.
Swim history
Every recorded swim, newest first
| Date | Event | Course | Time | Age | Round | Meet |
|---|
Individual swims with a recorded date and time — including disqualifications — plus reconstructed relay legs (marked). Assembled in the browser from this page’s data.
Progression
Faster times are higher. One card per event, all courses & history.