swimJack Dahlgren
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 200 Freestyle | SCY | 1:35.02 | Futures ✓+0.03s to US Open | 2024-12-20 | King Marlin Pro-Am Classicvenue |
| 50 Backstroke | SCY | 22.39 | Futures ✓+0.90s to US Open | 2024-12-20 | King Marlin Pro-Am Classicvenue |
| 100 Butterfly | SCY | 48.14 | Futures ✓+1.45s to US Open | 2024-12-20 | King Marlin Pro-Am Classicvenue |
| 50 Freestyle | LCM | 22.68 | Nationals ✓ | 2025-06-07 | 2025 National Championshipsvenue |
| 100 Freestyle | LCM | 49.84 | US Open ✓+0.15s to Nationals | 2024-07-13 | Region VIII Speedo Summer Sectionalsvenue |
| 200 Freestyle | LCM | 1:46.58 | Nationals ✓ | 2025-06-04 | 2025 National Championshipsvenue |
| 800 Freestyle | LCM | 9:07.97 | Sectionals ✓+44.88s to Futures | 2014-08-01 | 2014 OK Central Zone 14 & U Championship |
| 50 Backstroke | LCM | 26.07 | US Open ✓+0.58s to Nationals | 2024-07-10 | 2024 MV CZ Region VIII Speedo Summer |
| 100 Backstroke | LCM | 54.50 | Nationals ✓ | 2025-06-06 | 2025 National Championshipsvenue |
| 200 Backstroke | LCM | 2:01.22 | Nationals ✓ | 2024-07-10 | Region VIII Speedo Summer Sectionalsvenue |
| 100 Butterfly | LCM | 52.15 | Nationals ✓ | 2025-06-05 | 2025 National Championshipsvenue |
| 200 Butterfly | LCM | 1:55.16 | Nationals ✓ | 2026-01-01 | 2026 Toyota National Championships |
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 | LCM | 22.34 | flying | 200 Free Relay (leg 4) | 2024-07-11 | Region VIII Speedo Summer Sectionals |
| 100 Freestyle | LCM | 48.14 | flying | 400 Free Relay (leg 4) | 2024-07-12 | Region VIII Speedo Summer Sectionals |
| 50 Backstroke | LCM | 25.98 | flat | 200 Medley Relay | 2024-07-11 | Region VIII Speedo Summer Sectionals |
| 100 Backstroke | LCM | 55.38 | flat | 400 Medley Relay | 2024-07-13 | Region VIII Speedo Summer Sectionals |
Reconstructed from relay split marks. Flat = lead-off (comparable to individual times); flying starts run ~0.5–0.7s fast and are not PRs.
PR splits
200 Freestyle SCY 1:35.02
Front half 46.73s · back half 48.29s
100 Butterfly SCY 48.14
Front half 22.66s · back half 25.48s
100 Freestyle LCM 49.84 RT 0.68s
Front half 24.17s · back half 25.67s
200 Freestyle LCM 1:46.58 RT 0.69s
Front half 51.26s · back half 55.32s
100 Backstroke LCM 54.50 RT 0.59s
Front half 26.26s · back half 28.24s
200 Backstroke LCM 2:01.22
Front half 58.68s · back half 62.54s
100 Butterfly LCM 52.15 RT 0.66s
Front half 24.35s · back half 27.80s
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.