Sean Peterson
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 33.10 | B+0.51s to BB | 2025-07-19 | 2025 ISI Summer Regional Championship - SCST venue |
| 100 Freestyle | SCY | 1:06.14 | BB+0.95s to A | 2026-03-01 | 2026 Winter ISI Regionals- TIDE - copied fast pool |
| 200 Freestyle | SCY | 2:22.71 | A+5.82s to AA | 2026-03-01 | 2026 Winter ISI Regionals- TIDE - copied fast pool |
| 500 Freestyle | SCY | 6:22.44 | A+15.85s to AA | 2026-02-28 | 2026 Winter ISI Regionals- TIDE - copied fast pool |
| 1000 Freestyle | SCY | 13:09.97 | A+18.88s to AA | 2026-02-27 | 2026 Winter ISI Regionals- TIDE - copied fast pool |
| 50 Backstroke | SCY | 34.28 | A+0.89s to AA | 2026-02-28 | 2026 Winter ISI Regionals- TIDE - copied fast pool |
| 100 Backstroke | SCY | 1:11.67 | AA+3.08s to AAA | 2026-03-01 | 2026 Winter ISI Regionals- TIDE - copied fast pool |
| 50 Butterfly | SCY | 36.33 | BB+2.64s to A | 2025-07-20 | 2025 ISI Summer Regional Championship - SCST venue |
| 100 Butterfly | SCY | 1:23.00 | B+0.01s to BB | 2024-11-22 | 2024 Fall Western Great Lakes Open |
| 100 Individual Medley | SCY | 1:21.56 | BB+6.27s to A | 2024-11-22 | 2024 Fall Western Great Lakes Open |
| 200 Individual Medley | SCY | 2:48.91 | BB+5.22s to A | 2026-02-28 | 2026 Winter ISI Regionals- TIDE - copied fast pool |
| 50 Backstroke | LCM | 40.39 | BB+0.10s to A | 2024-07-20 | 2024 IL Swimming LC Age Group Championships venue |
| 100 Backstroke | LCM | 1:27.99 | A+3.90s to AA | 2024-07-19 | 2024 IL Swimming LC Age Group Championships venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 11.
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 | 33.43 | flying | 200 Free Relay (leg 2) | 2024-07-14 | 2024 IL SCST Summer Regional Championships |
| 50 Backstroke | SCY | 33.33 | flat | 200 Medley Relay | 2026-02-28 | 2026 Winter ISI Regionals- TIDE - copied |
| 50 Freestyle | LCM | 35.66 | flying | 200 Free Relay (leg 3) | 2025-08-02 | 2025 ISI LC 10 and Under Age Group Championsh |
| 50 Backstroke | LCM | 40.85 | flat | 200 Medley Relay | 2024-07-19 | 2024 IL Swimming LC Age Group 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 11-12 · SCY
1967 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 6:22.44 | 558 |
| 100 BK SCY | 1:11.67 | 571 |
| 100 FL SCY | 1:23.00 | 360 |
| 200 IM SCY | 2:48.91 | 478 |
| 100 BR SCY | — | 0 |
IMR 11-12 · SCY
1922 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:22.71 | 550 |
| 50 BK SCY | 34.28 | 556 |
| 50 FL SCY | 36.33 | 396 |
| 100 IM SCY | 1:21.56 | 420 |
| 50 BR 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 1:06.14
Front half 32.13s · back half 34.01s
200 Freestyle SCY 2:22.71
Front half 69.73s · back half 72.98s
500 Freestyle SCY 6:22.44
Front half 188.60s · back half 193.84s
1000 Freestyle SCY 13:09.97
Front half 391.26s · back half 398.71s
100 Backstroke SCY 1:11.67
Front half 35.46s · back half 36.21s
200 Individual Medley SCY 2:48.91
Front half 78.21s · back half 90.70s
100 Backstroke LCM 1:27.99
Front half 43.68s · back half 44.31s
Progression
Faster times are higher. One card per event, all courses & history.