Sylvia Petersen
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 28.06 | BB+0.07s to A | 2026-03-28 | 2026 Sun Kissed Invitational Jr/Sr Champs - c venue |
| 100 Freestyle | SCY | 1:00.79 | A+2.50s to AA | 2026-03-29 | 2026 Sun Kissed Invitational Jr/Sr Champs - c venue |
| 1000 Freestyle | SCY | 12:39.62 | BB+29.23s to A | 2025-07-18 | 2025 ISI Summer ACAD Regional venue |
| 50 Backstroke | SCY | 30.51 | A+0.52s to AA | 2026-03-27 | 2026 Sun Kissed Invitational Jr/Sr Champs - c venue |
| 100 Backstroke | SCY | 1:05.95 | A+2.56s to AA | 2026-03-01 | 2026 Winter ISI Regionals- PAC fast pool |
| 200 Backstroke | SCY | 2:21.64 | A+3.75s to AA | 2026-02-28 | 2026 Winter ISI Regionals- PAC fast pool |
| 50 Breaststroke | SCY | 49.91 | +7.82s to B | 2024-01-07 | LFSC Windy City Open slow pool |
| 100 Breaststroke | SCY | 1:46.42 | +17.73s to B | 2024-01-06 | LFSC Windy City Open slow pool |
| 50 Butterfly | SCY | 30.63 | A+1.04s to AA | 2026-03-26 | 2026 Sun Kissed Invitational Jr/Sr Champs - c venue |
| 50 Freestyle | LCM | 34.39 | BB+2.40s to A | 2026-01-01 | LFSC SwimFest, Presented by The Lake Forest Swim Club, 4-5/Ju, S#: WI2024-504S |
| 100 Backstroke | LCM | 1:24.58 | B+0.99s to BB | 2026-01-01 | LFSC SwimFest, Presented by The Lake Forest Swim Club, 4-5/Ju, S#: WI2024-504S |
| 200 Individual Medley | LCM | 3:14.97 | B+11.68s to BB | 2026-01-01 | LFSC SwimFest, Presented by The Lake Forest Swim Club, 4-5/Ju, S#: WI2024-504S |
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 Backstroke | SCY | 30.71 | flat | 200 Medley Relay | 2026-02-28 | 2026 Winter ISI Regionals- PAC |
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 · SCY
683 points (1/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 BK SCY | 2:21.64 | 683 |
| 500 FR SCY | — | 0 |
| 200 BR SCY | — | 0 |
| 200 FL SCY | — | 0 |
| 200 IM SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 13-14 · LCM
939 points (2/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK LCM | 1:24.58 | 503 |
| 200 IM LCM | 3:14.97 | 436 |
| 200 FR LCM | — | 0 |
| 100 BR LCM | — | 0 |
| 100 FL LCM | — | 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 1:00.79
Front half 29.29s · back half 31.50s
1000 Freestyle SCY 12:39.62
Front half 383.51s · back half 376.11s
100 Backstroke SCY 1:05.95
Front half 32.73s · back half 33.22s
200 Backstroke SCY 2:21.64
Front half 70.52s · back half 71.12s
100 Breaststroke SCY 1:46.42
Front half 52.18s · back half 54.24s
Progression
Faster times are higher. One card per event, all courses & history.