Mckenzie Osterbrock
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 32.36 | BB+1.87s to A·+7.47s to Sectionals | 2025-10-17 | 24th Annual Chattahoochee Gold Invitationalvenue |
| 100 Freestyle | SCY | 1:15.08 | B+2.89s to BB·+20.99s to Sectionals | 2025-10-18 | 24th Annual Chattahoochee Gold Invitationalvenue |
| 200 Freestyle | SCY | 2:34.01 | BB+9.02s to A·+37.32s to Sectionals | 2026-01-11 | 2026 New Year's Kickoff - copiedvenue |
| 500 Freestyle | SCY | 6:34.80 | BB+5.61s to A·+84.91s to Sectionals | 2026-01-09 | 2026 New Year's Kickoff - copiedvenue |
| 50 Backstroke | SCY | 35.85 | BB+1.06s to A·+7.26s to Sectionals | 2025-10-18 | 24th Annual Chattahoochee Gold Invitationalvenue |
| 100 Backstroke | SCY | 1:18.14 | BB+1.75s to A·+17.35s to Sectionals | 2025-10-19 | 24th Annual Chattahoochee Gold Invitationalvenue |
| 200 Backstroke | SCY | 2:46.32 | BB+3.73s to A·+33.03s to Sectionals | 2026-01-11 | 2026 New Year's Kickoff - copiedvenue |
| 50 Breaststroke | SCY | 43.10 | B+0.81s to BB·+9.51s to Sectionals | 2026-01-11 | 2026 New Year's Kickoff - copiedvenue |
| 100 Breaststroke | SCY | 1:34.23 | B+1.34s to BB·+23.34s to Sectionals | 2026-01-10 | 2026 New Year's Kickoff - copiedvenue |
| 50 Butterfly | SCY | 40.78 | +1.89s to B·+13.39s to Sectionals | 2026-01-10 | 2026 New Year's Kickoff - copiedvenue |
| 100 Butterfly | SCY | 1:53.35 | +22.56s to B·+54.26s to Sectionals | 2025-01-19 | 2025 Athens New Year's Kickoffvenue |
| 100 Individual Medley | SCY | 1:26.21 | B+3.92s to BB | 2025-10-18 | 24th Annual Chattahoochee Gold Invitationalvenue |
| 200 Individual Medley | SCY | 3:14.15 | +1.36s to B·+61.56s to Sectionals | 2025-03-14 | 2025 Northwestern Divisional Championship |
| 400 Individual Medley | SCY | 6:29.18 | B+6.49s to BB·+110.49s to Sectionals | 2025-10-17 | 24th Annual Chattahoochee Gold Invitationalvenue |
| 50 Freestyle | LCM | 43.94 | +3.55s to B·+15.55s to Sectionals | 2024-07-19 | 2024 GA AG LC Championship July 18-21 2024venue |
| 100 Freestyle | LCM | 1:33.02 | +3.83s to B·+31.73s to Sectionals | 2025-06-27 | Gold Summer Invite 2025 |
| 200 Freestyle | LCM | 3:12.76 | B+13.57s to BB·+60.67s to Sectionals | 2025-06-27 | Gold Summer Invite 2025 |
| 400 Freestyle | LCM | 6:45.26 | B+25.77s to BB·+126.47s to Sectionals | 2025-06-27 | Gold Summer Invite 2025 |
| 50 Backstroke | LCM | 44.72 | B+1.23s to BB·+11.83s to Sectionals | 2024-07-21 | 2024 GA AG LC Championship July 18-21 2024venue |
| 100 Backstroke | LCM | 1:37.87 | B+0.38s to BB·+28.08s to Sectionals | 2025-06-27 | Gold Summer Invite 2025 |
| 50 Breaststroke | LCM | 54.78 | +2.49s to B·+16.49s to Sectionals | 2025-06-27 | Gold Summer Invite 2025 |
| 100 Breaststroke | LCM | 1:43.62 | BB+4.83s to A·+23.03s to Sectionals | 2025-05-31 | 2025 Betsy Dunbar LC Meet |
| 50 Butterfly | LCM | 51.49 | +7.90s to B·+20.20s to Sectionals | 2025-05-31 | 2025 Betsy Dunbar LC Meet |
| 100 Butterfly | LCM | 2:03.32 | +19.93s to B·+55.93s to Sectionals | 2025-05-31 | 2025 Betsy Dunbar LC Meet |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 11.
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 Backstroke | LCM | 45.00 | flat | 200 Medley Relay | 2024-07-21 | 2024 GA AG LC Championship July 18-21 2024 |
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 11-12 · SCY
2042 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 6:34.80 | 571 |
| 100 BK SCY | 1:18.14 | 516 |
| 100 BR SCY | 1:34.23 | 436 |
| 100 FL SCY | 1:53.35 | 161 |
| 200 IM SCY | 3:14.15 | 358 |
IMR 11-12 · SCY
2197 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:34.01 | 495 |
| 50 BK SCY | 35.85 | 534 |
| 50 BR SCY | 43.10 | 448 |
| 50 FL SCY | 40.78 | 313 |
| 100 IM SCY | 1:26.21 | 407 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:15.08
Front half 34.59s · back half 40.49s
200 Freestyle SCY 2:34.01 RT 0.94s
Front half 76.85s · back half 77.16s
500 Freestyle SCY 6:34.80
Front half 195.78s · back half 199.02s
100 Backstroke SCY 1:18.14
Front half 37.17s · back half 40.97s
200 Backstroke SCY 2:46.32 RT 0.71s
Front half 82.06s · back half 84.26s
100 Breaststroke SCY 1:34.23 RT 0.89s
Front half 45.06s · back half 49.17s
100 Butterfly SCY 1:53.35 RT 0.76s
Front half 54.13s · back half 59.22s
100 Individual Medley SCY 1:26.21
Front half 40.67s · back half 45.54s
400 Individual Medley SCY 6:29.18
Front half 195.98s · back half 193.20s
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.