swimJulia Petersen
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 25.62 | AA+0.63s to AAA | 2026-02-27 | 2026 MN RSC Minnesota Regional Championship - |
| 100 Freestyle | SCY | 55.30 | AA+1.21s to AAA | 2026-02-27 | 2026 MN RSC Minnesota Regional Championship - |
| 200 Freestyle | SCY | 1:59.69 | AA+2.70s to AAA | 2026-02-27 | 2026 MN RSC Minnesota Regional Championship - |
| 500 Freestyle | SCY | 5:26.13 | AA+10.54s to AAA | 2025-03-07 | 2025 MN EDI Minnesota Regional Championship venue |
| 1000 Freestyle | SCY | 11:20.92 | AA+28.03s to AAA | 2024-03-01 | 2024 MN MTKA Minnesota Regional Championship |
| 1650 Freestyle | SCY | 19:28.13 | A+21.54s to AA | 2025-02-09 | 2025 MN AQJT February Invite venue |
| 100 Backstroke | SCY | 1:07.32 | BB+3.43s to A | 2026-02-14 | 2026 MN RSC President's Day Meet venue |
| 200 Backstroke | SCY | 2:27.58 | BB+9.09s to A | 2025-01-25 | 2025 MN HAST JAN IMX |
| 100 Breaststroke | SCY | 1:13.62 | BB+0.23s to A | 2024-02-17 | 2024 MN RSC President's Day Meet venue |
| 200 Breaststroke | SCY | 2:36.17 | A+2.68s to AA | 2024-03-17 | 2024 MN NSAC 11-14 State Championship venue |
| 50 Butterfly | SCY | 30.54 | BB+0.65s to A | 2025-02-09 | 2025 MN AQJT February Invite venue |
| 100 Butterfly | SCY | 1:04.32 | BB+0.83s to A | 2026-03-01 | 2026 MN RSC Minnesota Regional Championship - fast pool |
| 100 Individual Medley | SCY | 1:04.29 | 2026-02-27 | 2026 MN RSC Minnesota Regional Championship - | |
| 200 Individual Medley | SCY | 2:18.21 | A+1.72s to AA | 2024-03-15 | 2024 MN NSAC 11-14 State Championship venue |
| 400 Individual Medley | SCY | 4:52.32 | A+1.43s to AA | 2024-02-16 | 2024 MN RSC President's Day Meet venue |
| 50 Freestyle | LCM | 29.94 | A+0.25s to AA | 2025-05-31 | 2025 MN WOLF HUFF N PUFF INVITE venue |
| 100 Freestyle | LCM | 1:03.66 | AA+2.17s to AAA | 2024-07-12 | 2024 MN MTKA Minnesota Regional Championship venue |
| 200 Freestyle | LCM | 2:19.68 | A+0.49s to AA | 2024-07-12 | 2024 MN MTKA Minnesota Regional Championship |
| 400 Freestyle | LCM | 4:58.04 | A+4.15s to AA | 2024-07-12 | 2024 MN MTKA Minnesota Regional Championship venue |
| 800 Freestyle | LCM | 10:05.18 | AA+22.69s to AAA | 2024-07-12 | 2024 MN MTKA Minnesota Regional Championship |
| 100 Backstroke | LCM | 1:17.71 | BB+3.12s to A | 2025-05-31 | 2025 MN WOLF HUFF N PUFF INVITE venue |
| 200 Backstroke | LCM | 2:49.74 | BB+8.05s to A | 2025-06-08 | 2025 MN STRM Summer Slam venue |
| 100 Breaststroke | LCM | 1:29.11 | BB+4.92s to A | 2024-04-20 | 2024 MN UOFM Gopher Invite slow pool |
| 200 Breaststroke | LCM | 3:02.48 | A+7.49s to AA | 2024-07-12 | 2024 MN MTKA Minnesota Regional Championship |
| 50 Butterfly | LCM | 33.73 | BB+0.34s to A | 2025-06-08 | 2025 MN STRM Summer Slam venue |
| 100 Butterfly | LCM | 1:19.17 | B+0.88s to BB | 2024-04-20 | 2024 MN UOFM Gopher Invite slow pool |
| 200 Individual Medley | LCM | 2:38.06 | A+1.37s to AA | 2024-07-12 | 2024 MN MTKA Minnesota Regional Championship |
| 400 Individual Medley | LCM | 5:44.26 | A+11.67s to AA | 2024-05-31 | 2024 MN GREAT WOLF HUFF N PUFF INVITE venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 17.
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 | LCM | 28.96 | flying | 200 Medley Relay (leg 4) | 2024-07-13 | 2024 MN MTKA Minnesota Regional Championship |
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 17-18 · SCY
3407 points (5/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 5:26.13 | 758 |
| 200 BK SCY | 2:27.58 | 525 |
| 200 BR SCY | 2:36.17 | 697 |
| 200 IM SCY | 2:18.21 | 699 |
| 400 IM SCY | 4:52.32 | 728 |
| 200 FL SCY | — | 0 |
IMR 17-18 · SCY
3303 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 1:59.69 | 784 |
| 100 BK SCY | 1:07.32 | 545 |
| 100 BR SCY | 1:13.62 | 644 |
| 100 FL SCY | 1:04.32 | 631 |
| 200 IM SCY | 2:18.21 | 699 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
200 Freestyle SCY 1:59.69 split/total mismatch
500 Freestyle SCY 5:26.13
Front half 159.03s · back half 167.10s
1650 Freestyle SCY 19:28.13
100 Backstroke SCY 1:07.32
Front half 32.35s · back half 34.97s
100 Breaststroke SCY 1:13.62
Front half 35.71s · back half 37.91s
200 Breaststroke SCY 2:36.17
Front half 75.57s · back half 80.60s
100 Butterfly SCY 1:04.32
Front half 29.33s · back half 34.99s
100 Individual Medley SCY 1:04.29 split/total mismatch
Front half 29.14s · back half 35.15s
200 Individual Medley SCY 2:18.21
Front half 65.07s · back half 73.14s
400 Individual Medley SCY 4:52.32
Front half 145.11s · back half 147.21s
100 Freestyle LCM 1:03.66
Front half 30.75s · back half 32.91s
200 Freestyle LCM 2:19.68 split/total mismatch
400 Freestyle LCM 4:58.04
Front half 147.97s · back half 150.07s
800 Freestyle LCM 10:05.18 split/total mismatch
100 Backstroke LCM 1:17.71
Front half 37.55s · back half 40.16s
200 Backstroke LCM 2:49.74
Front half 82.73s · back half 87.01s
100 Breaststroke LCM 1:29.11
Front half 41.87s · back half 47.24s
200 Breaststroke LCM 3:02.48 split/total mismatch
100 Butterfly LCM 1:19.17
Front half 36.36s · back half 42.81s
200 Individual Medley LCM 2:38.06 split/total mismatch
400 Individual Medley LCM 5:44.26
Front half 171.45s · back half 172.81s
Progression
Faster times are higher. One card per event, all courses & history.