swimJacob Zimmerman
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 21.03 | 2024-05-04 | 2024 CIF CENTRAL SECTION D1 CHAMPIONSHIPS venue | |
| 100 Freestyle | SCY | 46.62 | 2024-05-04 | 2024 CIF CENTRAL SECTION D1 CHAMPIONSHIPS venue | |
| 200 Freestyle | SCY | 1:52.78 | 2025-10-11 | SMSC 47th Fall Invite venue | |
| 100 Butterfly | SCY | 51.06 | 2025-05-09 | 2025 CIF CENTRAL SECTION D1 CHAMPIONSHIPS venue | |
| 200 Individual Medley | SCY | 2:16.86 | 2023-01-15 | 2023 Clovis Swim Club Winter Open fast pool | |
| 50 Freestyle | LCM | 24.43 | 2025-06-28 | 2025 TYR GO Challenge venue | |
| 100 Freestyle | LCM | 55.67 | 2025-06-29 | 2025 TYR GO Challenge venue | |
| 200 Freestyle | LCM | 2:10.82 | 2024-01-01 | 5 Oka-Fedder, Sophia K 15 Fresno Dolphins Swim Team-CC 9:36.51 9:23.86 | |
| 400 Freestyle | LCM | 4:27.64 | 2024-03-01 | 2024 CA/NV Speedo Sectional venue | |
| 50 Butterfly | LCM | 25.59 | 2025-06-28 | 2025 TYR GO Challenge venue | |
| 100 Butterfly | LCM | 59.15 | 2024-01-01 | 5 Oka-Fedder, Sophia K 15 Fresno Dolphins Swim Team-CC 9:36.51 9:23.86 |
Pool tags are a venue speed heuristic (median deviation of all swims there vs each swimmer's typical time) — see the venue page for the method.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 20.15 | flying | 200 Medley Relay (leg 4) | 2024-05-04 | 2024 CIF CENTRAL SECTION D1 CHAMPIONSHIPS |
| 50 Freestyle | SCY | 20.35 | flying | 200 Free Relay (leg 4) | 2025-05-10 | 2025 CIF CENTRAL SECTION D1 CHAMPIONSHIPS |
| 50 Butterfly | SCY | 22.17 | flying | 200 Medley Relay (leg 3) | 2025-05-10 | 2025 CIF CENTRAL SECTION D1 CHAMPIONSHIPS |
| 100 Freestyle | LCM | 55.53 | flying | 400 Medley Relay (leg 4) | 2024-03-01 | 2024 CA/NV Speedo Sectional |
| 100 Freestyle | LCM | 57.75 | flying | 400 Free Relay (leg 2) | 2024-03-03 | 2024 CA/NV Speedo Sectional |
| 200 Freestyle | LCM | 2:09.06 | flying | 800 Free Relay (leg 2) | 2024-02-29 | 2024 CA/NV Speedo Sectional |
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
100 Freestyle SCY 46.62
Front half 22.62s · back half 24.00s
200 Freestyle SCY 1:52.78
Front half 52.63s · back half 60.15s
100 Butterfly SCY 51.06
Front half 23.53s · back half 27.53s
200 Individual Medley SCY 2:16.86
Front half 64.01s · back half 72.85s
400 Freestyle LCM 4:27.64
Front half 131.86s · back half 135.78s
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.
Progression
Faster times are higher. One card per event, all courses & history.