David Zimmerman
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 22.24 | AAA+0.85s to AAAA·Sectionals ✓+0.95s to Futures | 2025-11-02 | 2025 CA Tom Hamilton Memorial Invitevenue |
| 100 Freestyle | SCY | 47.42 | AAA+0.63s to AAAA·Sectionals ✓+1.03s to Futures | 2026-05-09 | 2026 CIF CENTRAL SECTION D1 CHAMPIONSHIPS -venue |
| 200 Freestyle | SCY | 1:44.30 | AAA+2.11s to AAAA·Sectionals ✓+2.71s to Futures | 2026-05-08 | 2026 TYR GO Challengevenue |
| 500 Freestyle | SCY | 4:50.16 | AAA+12.37s to AAAA·Sectionals ✓+13.07s to Futures | 2025-05-10 | 2025 CIF CENTRAL SECTION D1 CHAMPIONSHIPSvenue |
| 1000 Freestyle | SCY | 10:04.78 | AAA+25.89s to AAAA·Sectionals ✓+30.49s to Futures | 2025-11-21 | 2025 CANY Cranberryvenue |
| 1650 Freestyle | SCY | 17:42.92 | A+6.03s to AA·+6.03s to Sectionals | 2025-11-23 | 2025 CANY Cranberryvenue |
| 100 Backstroke | SCY | 54.90 | AA+1.61s to AAA·Sectionals ✓+3.41s to Futures | 2025-05-10 | 2025 CIF CENTRAL SECTION D1 CHAMPIONSHIPSvenue |
| 200 Backstroke | SCY | 2:07.05 | A+5.06s to AA·+5.76s to Sectionals | 2025-02-17 | 2025 CCS SCY AGCvenue |
| 100 Breaststroke | SCY | 1:08.41 | BB+2.42s to A·+5.22s to Sectionals | 2025-01-19 | Fresno Dolphins Swim Team Senior Prelim-Finalvenue |
| 50 Butterfly | SCY | 24.06 | AAA+0.27s to AAAA·+1.17s to Futures | 2025-11-01 | 2025 CA Tom Hamilton Memorial Invitevenue |
| 200 Individual Medley | SCY | 2:09.99 | BB+0.30s to A·+6.00s to Sectionals | 2025-02-17 | 2025 CCS SCY AGCvenue |
| 50 Freestyle | LCM | 25.20 | AAA+0.41s to AAAA·Sectionals ✓+0.61s to Futures | 2025-07-20 | Renee and Jim Patterson Meet 2025venue |
| 100 Freestyle | LCM | 55.49 | AAA+1.60s to AAAA·Sectionals ✓+1.90s to Futures | 2026-01-01 | WZ Group B - 2026-07-28 to 2026-08-01 |
| 200 Freestyle | LCM | 2:02.39 | AAA+4.40s to AAAA·Sectionals ✓+4.60s to Futures | 2025-07-18 | Renee and Jim Patterson Meet 2025venue |
| 400 Freestyle | LCM | 4:26.75 | AA+3.06s to AAA·Sectionals ✓+16.76s to Futures | 2026-07-18 | 2026 CA/NV Summer Speedo Sectionals @ BREA -venue |
| 800 Freestyle | LCM | 9:19.04 | AA+12.55s to AAA·Sectionals ✓+38.35s to Futures | 2025-07-20 | Renee and Jim Patterson Meet 2025venue |
| 100 Backstroke | LCM | 1:04.30 | AA+1.81s to AAA·Sectionals ✓+3.71s to Futures | 2025-07-17 | Renee and Jim Patterson Meet 2025venue |
| 50 Breaststroke | LCM | 33.08 | AA+0.19s to AAA·+2.19s to Futures | 2026-01-01 | Finals - WZ LCM Senior Champs 2026 - copied - 2026-07-28 to 2026-08-01 |
| 100 Breaststroke | LCM | 1:19.46 | BB+2.47s to A·+5.76s to Sectionals | 2025-06-21 | SLOS 2025 Firecracker Invitationalvenue |
| 50 Butterfly | LCM | 27.19 | AAA+0.30s to AAAA·+0.90s to Futures | 2026-01-01 | Finals - WZ LCM Senior Champs 2026 - copied - 2026-07-28 to 2026-08-01 |
| 100 Butterfly | LCM | 1:01.92 | AA+1.43s to AAA·Sectionals ✓+3.93s to Futures | 2025-07-18 | Renee and Jim Patterson Meet 2025venue |
| 200 Individual Medley | LCM | 2:20.76 | AA+2.07s to AAA·Sectionals ✓+7.97s to Futures | 2026-07-17 | 2026 CA/NV Summer Speedo Sectionals @ BREA -venue |
| 400 Individual Medley | LCM | 5:09.58 | A+0.59s to AA·+1.79s to Sectionals | 2026-06-21 | 2026 SLOS Firecracker Invitationalvenue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 16.
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 | 21.73 | flat | 200 Free Relay | 2026-05-09 | 2026 CIF CENTRAL SECTION D1 CHAMPIONSHIPS - |
| 100 Freestyle | SCY | 48.43 | flying | 400 Medley Relay (leg 4) | 2025-12-05 | 2025 Holiday Swim Festival |
| 100 Freestyle | SCY | 47.08 | flying | 400 Free Relay (leg 4) | 2026-05-09 | 2026 CIF CENTRAL SECTION D1 CHAMPIONSHIPS - |
| 50 Butterfly | SCY | 24.54 | flying | 200 Medley Relay (leg 3) | 2025-12-06 | 2025 Holiday Swim Festival |
| 50 Freestyle | LCM | 25.17 | flying | 200 Free Relay (leg 2) | 2025-07-19 | Renee and Jim Patterson Meet 2025 |
| 100 Freestyle | LCM | 1:01.91 | flying | 400 Free Relay (leg 3) | 2024-06-30 | Arena Grand Challenge 2024 |
| 100 Backstroke | LCM | 1:12.00 | flat | 400 Medley Relay | 2024-06-29 | Arena Grand Challenge 2024 |
| 50 Breaststroke | LCM | 34.30 | flying | 200 Medley Relay (leg 2) | 2025-07-19 | Renee and Jim Patterson Meet 2025 |
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 15-16 · LCM
2403 points (3/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 400 FR LCM | 4:26.75 | 829 |
| 200 IM LCM | 2:20.76 | 826 |
| 400 IM LCM | 5:09.58 | 748 |
| 200 BK LCM | — | 0 |
| 200 BR LCM | — | 0 |
| 200 FL LCM | — | 0 |
IMR 15-16 · LCM
3906 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:02.39 | 884 |
| 100 BK LCM | 1:04.30 | 791 |
| 100 BR LCM | 1:19.46 | 601 |
| 100 FL LCM | 1:01.92 | 804 |
| 200 IM LCM | 2:20.76 | 826 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 47.42
Front half 22.78s · back half 24.64s
200 Freestyle SCY 1:44.30
Front half 50.22s · back half 54.08s
500 Freestyle SCY 4:50.16
Front half 141.83s · back half 148.33s
1000 Freestyle SCY 10:04.78
Front half 297.37s · back half 307.41s
1650 Freestyle SCY 17:42.92
100 Backstroke SCY 54.90
Front half 26.37s · back half 28.53s
200 Backstroke SCY 2:07.05
Front half 61.49s · back half 65.56s
100 Breaststroke SCY 1:08.41
Front half 31.16s · back half 37.25s
200 Individual Medley SCY 2:09.99
Front half 59.91s · back half 70.08s
50 Freestyle LCM 25.20
100 Freestyle LCM 55.49
Front half 26.43s · back half 29.06s
200 Freestyle LCM 2:02.39
400 Freestyle LCM 4:26.75 RT 0.73s
Front half 129.12s · back half 137.63s
800 Freestyle LCM 9:19.04
100 Backstroke LCM 1:04.30
100 Breaststroke LCM 1:19.46
Front half 36.51s · back half 42.95s
100 Butterfly LCM 1:01.92
Front half 37.99s · back half 23.93s
200 Individual Medley LCM 2:20.76
Front half 64.45s · back half 76.31s
400 Individual Medley LCM 5:09.58
Front half 147.80s · back half 161.78s
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.