swimJakob Karlsson
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 22.81 | AA+0.72s to AAA | 2026-02-21 | 2026 NCS SC SR Champs venue |
| 100 Freestyle | SCY | 49.42 | AA+1.13s to AAA | 2026-02-22 | 2026 NCS SC SR Champs venue |
| 50 Backstroke | SCY | 27.97 | BB+1.18s to A | 2025-09-21 | Battle of the Houses #1 venue |
| 100 Backstroke | SCY | 56.51 | A+1.62s to AA | 2026-02-21 | 2026 NCS SC SR Champs venue |
| 200 Backstroke | SCY | 2:08.25 | BB+3.06s to A | 2025-12-07 | ATOM Winter Invite 2025 venue |
| 50 Butterfly | SCY | 26.74 | BB+0.05s to A | 2025-09-21 | Battle of the Houses #1 venue |
| 100 Butterfly | SCY | 55.93 | A+1.64s to AA | 2026-02-20 | 2026 NCS SC SR Champs venue |
| 100 Individual Medley | SCY | 56.90 | 2026-02-19 | 2026 NCS SC SR Champs venue | |
| 200 Individual Medley | SCY | 2:05.60 | A+2.71s to AA | 2025-12-05 | ATOM Winter Invite 2025 venue |
| 50 Freestyle | LCM | 26.31 | AA+0.82s to AAA | 2025-07-12 | 2025 NC LC SR Championships venue |
| 100 Freestyle | LCM | 57.83 | AA+2.24s to AAA | 2025-07-13 | 2025 NC LC SR Championships venue |
| 200 Freestyle | LCM | 2:08.30 | A+0.61s to AA | 2025-07-11 | 2025 NC LC SR Championships venue |
| 400 Freestyle | LCM | 4:48.21 | BB+3.92s to A | 2025-05-16 | 2025 EAC Memorial Invite venue |
| 100 Backstroke | LCM | 1:06.27 | A+1.58s to AA | 2025-05-17 | 2025 EAC Memorial Invite venue |
| 200 Backstroke | LCM | 2:29.75 | BB+2.66s to A | 2025-06-08 | 2025 TEAM School's Out Summer Invite venue |
| 100 Breaststroke | LCM | 1:18.29 | BB+2.80s to A | 2025-06-08 | 2025 TEAM School's Out Summer Invite venue |
| 100 Butterfly | LCM | 1:07.17 | BB+1.98s to A | 2025-05-17 | 2025 EAC Memorial Invite venue |
| 200 Individual Medley | LCM | 2:27.99 | A+5.60s to AA | 2025-07-13 | 2025 NC LC SR Championships venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 17.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 23.07 | flying | 200 Free Relay (leg 2) | 2026-02-21 | 2026 NCS SC SR Champs |
| 100 Freestyle | SCY | 49.43 | flying | 400 Medley Relay (leg 4) | 2026-02-22 | 2026 NCS SC SR Champs |
| 100 Freestyle | SCY | 48.91 | flying | 400 Free Relay (leg 3) | 2026-02-20 | 2026 NCS SC SR Champs |
| 50 Backstroke | SCY | 26.34 | flat | 200 Medley Relay | 2026-02-20 | 2026 NCS SC SR Champs |
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 · LCM
1883 points (3/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 400 FR LCM | 4:48.21 | 613 |
| 200 BK LCM | 2:29.75 | 608 |
| 200 IM LCM | 2:27.99 | 662 |
| 200 BR LCM | — | 0 |
| 200 FL LCM | — | 0 |
| 400 IM LCM | — | 0 |
IMR 17-18 · LCM
3206 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:08.30 | 714 |
| 100 BK LCM | 1:06.27 | 677 |
| 100 BR LCM | 1:18.29 | 574 |
| 100 FL LCM | 1:07.17 | 579 |
| 200 IM LCM | 2:27.99 | 662 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 49.42
Front half 23.62s · back half 25.80s
100 Backstroke SCY 56.51
Front half 27.28s · back half 29.23s
200 Backstroke SCY 2:08.25
Front half 62.24s · back half 66.01s
100 Butterfly SCY 55.93
Front half 25.76s · back half 30.17s
100 Individual Medley SCY 56.90
Front half 26.03s · back half 30.87s
200 Individual Medley SCY 2:05.60
Front half 57.88s · back half 67.72s
100 Freestyle LCM 57.83
Front half 27.89s · back half 29.94s
200 Freestyle LCM 2:08.30
Front half 61.68s · back half 66.62s
400 Freestyle LCM 4:48.21
Front half 142.57s · back half 145.64s
100 Backstroke LCM 1:06.27
Front half 32.13s · back half 34.14s
200 Backstroke LCM 2:29.75
Front half 72.18s · back half 77.57s
100 Breaststroke LCM 1:18.29
Front half 36.07s · back half 42.22s
100 Butterfly LCM 1:07.17
Front half 30.94s · back half 36.23s
200 Individual Medley LCM 2:27.99
Progression
Faster times are higher. One card per event, all courses & history.