Preston Kolberg
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | LCM | 33.99 | BB+1.90s to A·+7.00s to Sectionals | 2026-05-30 | 2026 AQST Early Birdvenue |
| 100 Freestyle | LCM | 1:19.31 | B+3.12s to BB·+20.32s to Sectionals | 2026-06-13 | 2026 Island Park Invitevenue |
| 400 Freestyle | LCM | 6:10.94 | B+16.95s to BB·+96.55s to Sectionals | 2026-06-14 | 2026 Island Park Invitevenue |
| 50 Backstroke | LCM | 41.98 | B+0.79s to BB·+14.09s to Futures | 2026-06-13 | 2026 Island Park Invitevenue |
| 100 Backstroke | LCM | 1:56.20 | +19.01s to B·+51.01s to Sectionals | 2024-06-22 | 2024 RST Rushmore Classic Swim Meetvenue |
| 50 Breaststroke | LCM | 1:09.12 | +19.33s to B·+38.23s to Futures | 2024-06-21 | 2024 RST Rushmore Classic Swim Meetvenue |
| 50 Butterfly | LCM | 40.12 | B+1.43s to BB·+13.83s to Futures | 2026-05-30 | 2026 AQST Early Birdvenue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 12.
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 | 1:41.98 | flying | 200 Free Relay (leg 3) | 2026-05-30 | 2026 AQST Early Bird |
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 · LCM
679 points (2/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 400 FR LCM | 6:10.94 | 457 |
| 100 BK LCM | 1:56.20 | 222 |
| 100 BR LCM | — | 0 |
| 100 FL LCM | — | 0 |
| 200 IM LCM | — | 0 |
IMR 11-12 · LCM
1039 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 50 BK LCM | 41.98 | 467 |
| 50 BR LCM | 1:09.12 | 142 |
| 50 FL LCM | 40.12 | 430 |
| 200 FR LCM | — | 0 |
| 200 IM LCM | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle LCM 1:19.31
Front half 38.41s · back half 40.90s
400 Freestyle LCM 6:10.94
100 Backstroke LCM 1:56.20
Front half 54.70s · back half 61.50s
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.