Zachary Rosborg
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 23.75 | A+0.36s to AA·+1.16s to Sectionals | 2025-11-01 | 2025 Seahawks Fall Invite |
| 100 Freestyle | SCY | 56.39 | BB+2.90s to A·+7.40s to Sectionals | 2025-09-13 | Seahawks Dive Back In |
| 50 Backstroke | SCY | 32.21 | +0.42s to B·+7.72s to Sectionals | 2025-09-13 | Seahawks Dive Back In |
| 100 Backstroke | SCY | 1:06.70 | B+3.81s to BB·+10.61s to Sectionals | 2025-03-08 | Senior Champs 2025venue |
| 50 Breaststroke | SCY | 33.36 | BB+1.87s to A·+6.17s to Sectionals | 2025-10-25 | 2025 METS Splash of the Titansvenue |
| 100 Breaststroke | SCY | 1:12.81 | B+1.32s to BB·+9.22s to Sectionals | 2025-11-01 | 2025 Seahawks Fall Invite |
| 200 Breaststroke | SCY | 2:44.12 | B+8.93s to BB·+25.53s to Sectionals | 2025-11-01 | 2025 Seahawks Fall Invite |
| 50 Butterfly | SCY | 24.44 | AAA+0.65s to AAAA·+0.75s to Sectionals | 2026-01-01 | splash of the titans final results |
| 100 Butterfly | SCY | 1:06.54 | B+4.05s to BB·+12.55s to Sectionals | 2025-11-01 | 2025 Seahawks Fall Invite |
| 100 Individual Medley | SCY | 47.66 | 2026-01-01 | Seahawks Swim Club - IL | |
| 200 Individual Medley | SCY | 2:22.48 | B+1.99s to BB·+21.49s to Sectionals | 2025-11-01 | 2025 Seahawks Fall Invite |
| 50 Freestyle | LCM | 28.51 | BB+0.22s to A·+2.52s to Sectionals | 2025-05-02 | John Traube Memorial 2025venue |
| 100 Freestyle | LCM | 1:06.25 | BB+4.66s to A·+9.66s to Sectionals | 2025-05-04 | John Traube Memorial 2025venue |
| 200 Freestyle | LCM | 3:10.74 | +33.45s to B·+67.25s to Sectionals | 2023-05-05 | 2023 John Traube Memorial Meet |
| 50 Backstroke | LCM | 41.61 | +3.72s to B·+12.92s to Sectionals | 2023-12-16 | 2023 METS Winter Invite |
| 100 Backstroke | LCM | 1:25.02 | +5.53s to B·+20.63s to Sectionals | 2025-05-04 | John Traube Memorial 2025venue |
| 50 Breaststroke | LCM | 42.94 | +1.05s to B·+10.95s to Sectionals | 2023-12-16 | 2023 METS Winter Invite |
| 100 Breaststroke | LCM | 1:45.34 | +15.45s to B·+32.55s to Sectionals | 2023-04-14 | Sanction #: OZ-6209 |
| 200 Breaststroke | LCM | 3:18.49 | +3.10s to B·+38.70s to Sectionals | 2025-05-04 | John Traube Memorial 2025venue |
| 50 Butterfly | LCM | 37.10 | +1.21s to B·+9.71s to Sectionals | 2023-12-16 | 2023 METS Winter Invite |
| 200 Individual Medley | LCM | 2:48.37 | B+4.48s to BB·+28.98s to Sectionals | 2025-05-02 | John Traube Memorial 2025venue |
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 | 23.40 | flying | 200 Medley Relay (leg 4) | 2025-03-08 | Senior Champs 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 · SCY
945 points (2/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 BR SCY | 2:44.12 | 444 |
| 200 IM SCY | 2:22.48 | 501 |
| 500 FR SCY | — | 0 |
| 200 BK SCY | — | 0 |
| 200 FL SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 15-16 · SCY
1870 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK SCY | 1:06.70 | 438 |
| 100 BR SCY | 1:12.81 | 497 |
| 100 FL SCY | 1:06.54 | 434 |
| 200 IM SCY | 2:22.48 | 501 |
| 200 FR SCY | — | 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 56.39 split/total mismatch
Front half 26.73s · back half 29.66s
100 Backstroke SCY 1:06.70
Front half 31.91s · back half 34.79s
100 Breaststroke SCY 1:12.81 split/total mismatch
Front half 34.73s · back half 38.08s
200 Breaststroke SCY 2:44.12 split/total mismatch
100 Butterfly SCY 1:06.54 split/total mismatch
Front half 30.68s · back half 35.86s
200 Individual Medley SCY 2:22.48 split/total mismatch
200 Freestyle LCM 3:10.74
Front half 88.80s · back half 101.94s
200 Breaststroke LCM 3:18.49
Front half 94.73s · back half 103.76s
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.