swimJack Jacobsen
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 25 Freestyle | SCY | 22.82 | 2025-01-01 | Hardin Otters Swim Team | |
| 50 Freestyle | SCY | 51.27 | +28.08s to Sectionals | 2025-10-12 | 2025 MT HLST Jamie Turner Memorialvenue |
| 100 Freestyle | SCY | 1:17.11 | +26.12s to Sectionals | 2026-01-01 | Montana Swimming |
| 200 Freestyle | SCY | 3:28.38 | +96.59s to Sectionals | 2025-01-01 | 2025 MT Arena BAC Last Chance Invite |
| 25 Backstroke | SCY | 22.60 | 2026-01-01 | Montana Swimming | |
| 50 Backstroke | SCY | 35.61 | +11.92s to Futures | 2026-01-01 | Montana Swimming |
| 100 Backstroke | SCY | 1:28.40 | +32.91s to Sectionals | 2025-01-01 | 2025 MT Arena BAC Last Chance Invite |
| 25 Breaststroke | SCY | 25.52 | 2025-01-01 | 2025 BOZ TEDDY BEAR CLASSIC | |
| 50 Breaststroke | SCY | 46.78 | +20.49s to Futures | 2025-01-01 | 2025 MT Swimming BC Championships |
| 100 Breaststroke | SCY | 2:08.99 | +65.80s to Sectionals | 2025-12-13 | 2025 MT BOZ TEDDY BEAR CLASSICvenue |
| 25 Butterfly | SCY | 29.63 | 2025-12-14 | 2025 MT BOZ TEDDY BEAR CLASSICvenue | |
| 50 Freestyle | LCM | 50.40 | +23.41s to Sectionals | 2026-07-12 | 2026 MT HLST Last Chance Invitationalvenue |
| 100 Freestyle | LCM | 1:55.01 | +56.02s to Sectionals | 2026-01-01 | 2026 MT Swimming LC Championships |
| 50 Backstroke | LCM | 50.94 | +23.05s to Futures | 2026-07-11 | 2026 MT HLST Last Chance Invitationalvenue |
| 100 Backstroke | LCM | 1:57.32 | +52.13s to Sectionals | 2026-01-01 | 2026 MT Swimming LC Championships |
| 50 Breaststroke | LCM | 58.07 | +27.18s to Futures | 2026-01-01 | 2026 MT Swimming LC Championships |
| 100 Breaststroke | LCM | 2:08.79 | +55.09s to Sectionals | 2026-07-11 | 2026 MT HLST Last Chance Invitationalvenue |
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 | 33.24 | flying | 200 Free Relay (leg 2) | 2024-11-10 | 2024 MT BYSC Mining City Classic |
| 50 Backstroke | SCY | 55.39 | flat | 200 Medley Relay | 2025-11-22 | 2025 MT HOT Sugar Beet Splash |
| 50 Freestyle | LCM | 49.10 | flying | 200 Free Relay (leg 3) | 2024-06-21 | 2024 MT MAC 43rd Annual Firecracker Classic |
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 10 & under · SCY
960 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 3:28.38 | 258 |
| 100 BK SCY | 1:28.40 | 475 |
| 100 BR SCY | 2:08.99 | 227 |
| 100 FL SCY | — | 0 |
| 200 IM SCY | — | 0 |
IMR 10 & under · SCY
1695 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 FR SCY | 1:17.11 | 487 |
| 50 BK SCY | 35.61 | 738 |
| 50 BR SCY | 46.78 | 470 |
| 50 FL SCY | — | 0 |
| 100 IM SCY | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Breaststroke SCY 2:08.99
Front half 62.38s · back half 66.61s
Reaction time
From electronically-timed starts only (~2% of corpus swims carry a reaction time). PRs with a recorded reaction show an RT chip in the splits section above.
Swim history
Every recorded swim, newest first
| Date | Event | Course | Time | Age | Round | Meet |
|---|
Individual swims with a recorded date and time — including disqualifications — plus reconstructed relay legs (marked). Assembled in the browser from this page’s data.
Progression
Faster times are higher. One card per event, all courses & history.