swimMacKenzie Margroum
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | LCM | 28.11 | AAAA·Sectionals ✓+0.72s to Futures | 2016-06-12 | 2016 NBAC Long Course Championshipsvenue |
| 100 Freestyle | LCM | 1:01.06 | AAAA·Sectionals ✓+1.77s to Futures | 2011-07-24 | Central Zone Sectional 3venue |
| 200 Freestyle | LCM | 2:15.00 | AAAA·+1.91s to Sectionals | 2011-07-22 | Central Zone Sectional 3venue |
| 400 Freestyle | LCM | 4:38.25 | AAAA·Sectionals ✓+9.46s to Futures | 2011-07-23 | Central Zone Sectional 3venue |
| 50 Backstroke | LCM | 36.98 | A+0.09s to AA·+5.49s to Sectionals | 2008-01-01 | cz in 2008 results |
| 50 Butterfly | LCM | 33.54 | AA+0.65s to AAA·+3.25s to Sectionals | 2008-01-01 | cz in 2008 results |
| 100 Butterfly | LCM | 1:07.55 | AAAA·Sectionals ✓+2.86s to Futures | 2011-07-22 | Central Zone Sectional 3venue |
| 200 Individual Medley | LCM | 2:30.15 | AAAA·Sectionals ✓+3.96s to Futures | 2011-07-24 | Central Zone Sectional 3venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 12.
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 | LCM | 1:00.24 | flying | 400 Free Relay (leg 4) | 2011-07-22 | Central Zone Sectional 3 |
| 200 Freestyle | LCM | 2:11.71 | flying | 800 Free Relay (leg 2) | 2011-07-21 | Central Zone Sectional 3 |
| 100 Butterfly | LCM | 1:06.37 | flying | 400 Medley Relay (leg 3) | 2011-07-24 | Central Zone Sectional 3 |
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 · LCM
3300 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 400 FR LCM | 4:38.25 | 1100 |
| 100 FL LCM | 1:07.55 | 1100 |
| 200 IM LCM | 2:30.15 | 1100 |
| 100 BK LCM | — | 0 |
| 100 BR LCM | — | 0 |
IMR 11-12 · LCM
3768 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:15.00 | 1100 |
| 50 BK LCM | 36.98 | 749 |
| 50 FL LCM | 33.54 | 819 |
| 200 IM LCM | 2:30.15 | 1100 |
| 50 BR LCM | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle LCM 1:01.06
Front half 29.55s · back half 31.51s
200 Freestyle LCM 2:15.00
Front half 64.44s · back half 70.56s
400 Freestyle LCM 4:38.25
Front half 135.52s · back half 142.73s
100 Butterfly LCM 1:07.55
Front half 31.40s · back half 36.15s
200 Individual Medley LCM 2:30.15
Front half 69.18s · back half 80.97s
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.