swimDavid Grunzke
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 41.35 | +13.26s to B·+18.76s to Sectionals | 2018-11-10 | WFF Krista Rust 2018 |
| 100 Freestyle | SCY | 1:41.13 | +39.74s to B·+52.14s to Sectionals | 2018-11-10 | WFF Krista Rust 2018 |
| 50 Backstroke | SCY | 49.15 | +17.96s to B·+24.66s to Sectionals | 2018-11-10 | WFF Krista Rust 2018 |
| 50 Breaststroke | SCY | 1:05.92 | +29.93s to B·+38.73s to Sectionals | 2018-11-10 | WFF Krista Rust 2018 |
| 50 Freestyle | LCM | 40.30 | +7.81s to B·+14.31s to Sectionals | 2021-06-05 | 2021 Aquastorm Early Bird Meetvenue |
| 100 Freestyle | LCM | 1:06.90 | B+1.21s to BB·+10.31s to Sectionals | 2026-06-13 | 2026 Island Park Invitevenue |
| 50 Backstroke | LCM | 35.19 | B+0.50s to BB·+6.50s to Sectionals | 2026-06-13 | 2026 Island Park Invitevenue |
| 100 Backstroke | LCM | 1:15.85 | B+2.76s to BB·+11.46s to Sectionals | 2026-06-13 | 2026 Island Park Invitevenue |
| 50 Butterfly | LCM | 49.79 | +14.60s to B·+22.40s to Sectionals | 2021-06-05 | 2021 Aquastorm Early Bird Meetvenue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 17.
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 | 39.68 | flat | 200 Free Relay | 2021-06-05 | 2021 Aquastorm Early Bird Meet |
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
IMR 17-18 · LCM
451 points (1/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK LCM | 1:15.85 | 451 |
| 200 FR LCM | — | 0 |
| 100 BR LCM | — | 0 |
| 100 FL 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 SCY 1:41.13 split/total mismatch
Front half 48.32s · back half 52.81s
100 Freestyle LCM 1:06.90
Front half 32.22s · back half 34.68s
100 Backstroke LCM 1:15.85
Front half 37.97s · back half 37.88s
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.