swimBilly Petrina
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 27.35 | B+0.56s to BB·+4.96s to Sectionals | 2024-12-07 | 2024 TYR NCAT Winter Invite venue |
| 100 Freestyle | SCY | 59.62 | B+0.83s to BB·+11.13s to Sectionals | 2025-02-02 | 2025 AMS BPR Bronze Champs venue |
| 200 Freestyle | SCY | 2:16.20 | B+7.81s to BB·+29.91s to Sectionals | 2025-02-01 | 2025 AMS BPR Bronze Champs venue |
| 50 Backstroke | SCY | 36.53 | +3.84s to B·+12.84s to Futures | 2022-12-04 | 2022 TYR NCAT Winter Invite venue |
| 100 Backstroke | SCY | 1:07.17 | B+2.68s to BB·+12.68s to Sectionals | 2024-12-07 | 2024 TYR NCAT Winter Invite venue |
| 200 Backstroke | SCY | 2:23.02 | B+2.03s to BB·+24.43s to Sectionals | 2025-02-02 | 2025 AMS BPR Bronze Champs venue |
| 100 Individual Medley | SCY | 1:33.20 | 2019-12-08 | Shaker Shark Invitational venue | |
| 200 Individual Medley | SCY | 2:28.77 | B+5.58s to BB·+29.38s to Sectionals | 2025-02-02 | 2025 AMS BPR Bronze Champs venue |
| 50 Freestyle | LCM | 35.32 | +2.03s to B·+9.83s to Sectionals | 2022-07-10 | LSSC Avon Classic venue |
| 100 Freestyle | LCM | 1:18.78 | +6.09s to B·+23.29s to Sectionals | 2022-07-09 | LSSC Avon Classic venue |
| 200 Freestyle | LCM | 2:52.26 | +12.27s to B·+50.97s to Sectionals | 2022-07-10 | LSSC Avon Classic venue |
| 50 Backstroke | LCM | 42.58 | +3.89s to B·+14.69s to Futures | 2022-07-09 | LSSC Avon Classic venue |
| 100 Backstroke | LCM | 1:27.93 | +6.74s to B·+25.94s to Sectionals | 2022-07-10 | LSSC Avon Classic venue |
| 50 Butterfly | LCM | 42.33 | +5.84s to B·+16.04s to Futures | 2022-07-09 | LSSC Avon Classic venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 15.
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 | 27.76 | flat | 200 Free Relay | 2024-12-08 | 2024 TYR NCAT Winter Invite |
| 50 Freestyle | SCY | 35.31 | flying | 200 Free Relay (leg 3) | 2019-12-07 | Shaker Shark Invitational |
| 50 Backstroke | SCY | 41.76 | flat | 200 Medley Relay | 2019-12-08 | Shaker Shark Invitational |
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 15-16 · SCY
903 points (2/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 BK SCY | 2:23.02 | 463 |
| 200 IM SCY | 2:28.77 | 440 |
| 500 FR SCY | — | 0 |
| 200 BR SCY | — | 0 |
| 200 FL SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 15-16 · SCY
1288 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:16.20 | 419 |
| 100 BK SCY | 1:07.17 | 429 |
| 200 IM SCY | 2:28.77 | 440 |
| 100 BR SCY | — | 0 |
| 100 FL SCY | — | 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 59.62
Front half 28.26s · back half 31.36s
200 Freestyle SCY 2:16.20
Front half 64.04s · back half 72.16s
100 Backstroke SCY 1:07.17
Front half 33.16s · back half 34.01s
200 Backstroke SCY 2:23.02
Front half 70.30s · back half 72.72s
100 Individual Medley SCY 1:33.20
Front half 42.75s · back half 50.45s
200 Individual Medley SCY 2:28.77
Front half 69.76s · back half 79.01s
100 Freestyle LCM 1:18.78
Front half 38.00s · back half 40.78s
200 Freestyle LCM 2:52.26
Front half 81.49s · back half 90.77s
100 Backstroke LCM 1:27.93
Front half 42.47s · back half 45.46s
Progression
Faster times are higher. One card per event, all courses & history.