Jonathan Du
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 23.41 | +0.82s to Sectionals | 2009-11-22 | The Mark J. Braun Fall Classicvenue |
| 100 Freestyle | SCY | 52.65 | +3.66s to Sectionals | 2009-11-21 | The Mark J. Braun Fall Classicvenue |
| 100 Backstroke | SCY | 1:01.71 | +5.62s to Sectionals | The Mark J. Braun Fall Classicvenue | |
| 100 Breaststroke | SCY | 1:00.41 | Sectionals ✓+7.12s to US Open | 2009-11-21 | The Mark J. Braun Fall Classicvenue |
| 200 Breaststroke | SCY | 2:16.80 | Sectionals ✓+20.41s to US Open | The Mark J. Braun Fall Classicvenue | |
| 200 Individual Medley | SCY | 2:08.11 | +7.12s to Sectionals | 2009-11-21 | The Mark J. Braun Fall Classicvenue |
| 50 Freestyle | LCM | 26.45 | +0.46s to Sectionals | The Robert F. Busbey Invitational Swim Meetvenue | |
| 100 Freestyle | LCM | 59.49 | +2.90s to Sectionals | The Robert F. Busbey Invitational Swim Meetvenue | |
| 200 Freestyle | LCM | 2:16.86 | +13.37s to Sectionals | The Robert F. Busbey Invitational Swim Meetvenue | |
| 100 Backstroke | LCM | 1:12.54 | +8.15s to Sectionals | The Robert F. Busbey Invitational Swim Meetvenue | |
| 100 Breaststroke | LCM | 1:11.08 | Sectionals ✓+7.39s to US Open | The Robert F. Busbey Invitational Swim Meetvenue | |
| 200 Breaststroke | LCM | 2:41.38 | +1.59s to Sectionals | The Robert F. Busbey Invitational Swim Meetvenue | |
| 200 Individual Medley | LCM | 2:30.86 | +11.47s to Sectionals | The Robert F. Busbey Invitational Swim Meetvenue |
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 |
|---|---|---|---|---|---|---|
| 100 Freestyle | SCY | 53.11 | flat | 400 Free Relay | 2009-11-21 | The Mark J. Braun Fall Classic |
| 100 Breaststroke | SCY | 1:01.94 | flying | 400 Medley Relay (leg 2) | 2009-11-22 | The Mark J. Braun Fall Classic |
| 100 Freestyle | LCM | 1:04.00 | flying | 400 Free Relay (leg 3) | The Robert F. Busbey Invitational Swim Meet | |
| 100 Breaststroke | LCM | 1:12.66 | flying | 400 Medley Relay (leg 2) | The Robert F. Busbey Invitational Swim 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.
PR splits
100 Backstroke SCY 1:01.71
Front half 29.91s · back half 31.80s
100 Breaststroke SCY 1:00.41
Front half 28.62s · back half 31.79s
200 Breaststroke SCY 2:16.80
Front half 66.06s · back half 70.74s
200 Individual Medley SCY 2:08.11
Front half 61.77s · back half 66.34s
100 Freestyle LCM 59.49
Front half 28.87s · back half 30.62s
200 Freestyle LCM 2:16.86
Front half 65.29s · back half 71.57s
100 Backstroke LCM 1:12.54
Front half 35.15s · back half 37.39s
100 Breaststroke LCM 1:11.08
Front half 32.78s · back half 38.30s
200 Breaststroke LCM 2:41.38
Front half 77.03s · back half 84.35s
200 Individual Medley LCM 2:30.86
Front half 73.78s · back half 77.08s
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.