Mary Birchfield
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 30.07 | BB+2.08s to A | 2026-01-18 | 2026 TYR Mardi Gras Invite venue |
| 100 Freestyle | SCY | 1:06.10 | B+0.21s to BB | 2026-01-17 | 2026 TYR Mardi Gras Invite venue |
| 200 Freestyle | SCY | 2:24.61 | B+1.72s to BB | 2026-02-06 | 2026 SES Region 3 Champions |
| 50 Backstroke | SCY | 37.81 | +1.22s to B | 2026-01-16 | 2026 TYR Mardi Gras Invite venue |
| 100 Backstroke | SCY | 1:15.55 | B+3.86s to BB | 2026-02-07 | 2026 SES Region 3 Champions venue |
| 200 Backstroke | SCY | 2:49.82 | +1.93s to B | 2025-10-04 | 2025 SE War Eagle Invitational venue |
| 50 Breaststroke | SCY | 47.71 | +5.62s to B | 2025-01-19 | 2025 GPAC Winter Invitational venue |
| 100 Breaststroke | SCY | 1:36.49 | +7.80s to B | 2025-10-04 | 2025 SE War Eagle Invitational venue |
| 50 Butterfly | SCY | 34.94 | B+1.55s to BB | 2026-02-08 | 2026 SES Region 3 Champions venue |
| 100 Butterfly | SCY | 1:25.77 | +8.88s to B | 2026-01-18 | 2026 TYR Mardi Gras Invite venue |
| 100 Individual Medley | SCY | 1:29.50 | 2024-10-18 | 2024 SE War Eagle Invitational venue | |
| 200 Individual Medley | SCY | 2:44.87 | B+4.68s to BB | 2026-01-17 | 2026 TYR Mardi Gras Invite venue |
| 50 Freestyle | LCM | 33.03 | BB+1.04s to A | 2026-06-26 | 2026 SE Richard Quick Invitational |
| 100 Freestyle | LCM | 1:13.42 | BB+3.83s to A | 2026-01-01 | 2026 se bsl carson muir cowgirl classic full results |
| 200 Freestyle | LCM | 2:44.94 | B+1.95s to BB | 2026-06-26 | 2026 SE Richard Quick Invitational |
| 400 Freestyle | LCM | 5:52.44 | B+9.95s to BB | 2026-01-01 | 2026 se bsl carson muir cowgirl classic full results |
| 50 Backstroke | LCM | 48.95 | +6.26s to B | 2024-05-11 | 2024 PCST Speedo Long Course May Invite slow pool |
| 100 Backstroke | LCM | 1:25.48 | B+1.89s to BB | 2026-06-26 | 2026 SE Richard Quick Invitational |
| 200 Backstroke | LCM | 3:26.86 | +12.87s to B | 2025-04-12 | 2025 SE BSL Carson Muir Cowgirl Classic venue |
| 100 Breaststroke | LCM | 1:46.78 | +4.39s to B | 2026-05-17 | 2026 Opelika Open venue |
| 50 Butterfly | LCM | 40.85 | +0.86s to B | 2026-05-17 | 2026 Opelika Open venue |
| 100 Butterfly | LCM | 1:36.30 | +8.91s to B | 2026-05-16 | 2026 Opelika Open venue |
| 200 Individual Medley | LCM | 3:15.06 | B+11.77s to BB | 2026-04-19 | 2026 Carson Muir Cowgirl Classic venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 14.
Pool tags are a venue speed heuristic (median deviation of all swims there vs each swimmer's typical time) — see the venue page for the method.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 30.68 | flat | 200 Free Relay | 2026-02-08 | 2026 SES Region 3 Champions |
| 50 Butterfly | SCY | 35.73 | flying | 200 Medley Relay (leg 3) | 2026-02-07 | 2026 SES Region 3 Champions |
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
1259 points (3/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 400 FR LCM | 5:52.44 | 480 |
| 200 BK LCM | 3:26.86 | 344 |
| 200 IM LCM | 3:15.06 | 435 |
| 200 BR LCM | — | 0 |
| 200 FL LCM | — | 0 |
| 400 IM LCM | — | 0 |
IMR 13-14 · LCM
2112 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:44.94 | 506 |
| 100 BK LCM | 1:25.48 | 487 |
| 100 BR LCM | 1:46.78 | 371 |
| 100 FL LCM | 1:36.30 | 313 |
| 200 IM LCM | 3:15.06 | 435 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
200 Freestyle SCY 2:24.61 split/total mismatch
100 Backstroke SCY 1:15.55
Front half 37.08s · back half 38.47s
200 Backstroke SCY 2:49.82
Front half 83.00s · back half 86.82s
100 Breaststroke SCY 1:36.49
Front half 43.74s · back half 52.75s
100 Butterfly SCY 1:25.77
Front half 37.86s · back half 47.91s
100 Individual Medley SCY 1:29.50
Front half 39.85s · back half 49.65s
200 Individual Medley SCY 2:44.87
Front half 76.44s · back half 88.43s
200 Freestyle LCM 2:44.94
Front half 78.64s · back half 86.30s
400 Freestyle LCM 5:52.44 split/total mismatch
100 Backstroke LCM 1:25.48
Front half 41.87s · back half 43.61s
200 Backstroke LCM 3:26.86
Front half 100.39s · back half 106.47s
100 Breaststroke LCM 1:46.78
Front half 50.99s · back half 55.79s
100 Butterfly LCM 1:36.30
Front half 42.70s · back half 53.60s
200 Individual Medley LCM 3:15.06
Front half 90.55s · back half 104.51s
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.