swimMackenzie Heffernan
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 400 Freestyle | LCM | 5:08.72 | A+5.73s to AA·+31.03s to Sectionals | 2011-05-21 | GRYM Marlins Summer Qualifier 2011 |
| 100 Backstroke | LCM | 1:20.73 | BB+3.64s to A·+12.84s to Sectionals | 2012-05-12 | grym051212rslts |
| 200 Backstroke | LCM | 2:48.15 | BB+1.86s to A·+21.96s to Sectionals | 2011-05-21 | GRYM Marlins Summer Qualifier 2011 |
| 100 Breaststroke | LCM | 1:24.83 | A+0.64s to AA·+6.94s to Sectionals | 2011-05-21 | GRYM Marlins Summer Qualifier 2011 |
| 200 Breaststroke | LCM | 3:06.74 | A+5.35s to AA·+17.35s to Sectionals | 2011-05-21 | GRYM Marlins Summer Qualifier 2011 |
| 200 Butterfly | LCM | 2:40.94 | AA+6.35s to AAA·+11.85s to Sectionals | 2011-05-21 | GRYM Marlins Summer Qualifier 2011 |
| 400 Individual Medley | LCM | 5:34.60 | AA+5.81s to AAA·+14.11s to Sectionals | 2011-05-21 | GRYM Marlins Summer Qualifier 2011 |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 14.
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.
IMX / IMR
IMX 13-14 · LCM
3629 points (5/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 400 FR LCM | 5:08.72 | 715 |
| 200 BK LCM | 2:48.15 | 641 |
| 200 BR LCM | 3:06.74 | 693 |
| 200 FL LCM | 2:40.94 | 758 |
| 400 IM LCM | 5:34.60 | 822 |
| 200 IM LCM | — | 0 |
IMR 13-14 · LCM
1320 points (2/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK LCM | 1:20.73 | 579 |
| 100 BR LCM | 1:24.83 | 741 |
| 200 FR LCM | — | 0 |
| 100 FL LCM | — | 0 |
| 200 IM LCM | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Backstroke LCM 1:20.73
Front half 38.16s · back half 42.57s
200 Backstroke LCM 2:48.15
Front half 82.39s · back half 85.76s
100 Breaststroke LCM 1:24.83
Front half 43.10s · back half 41.73s
200 Butterfly LCM 2:40.94
400 Individual Medley LCM 5:34.60
Front half 161.02s · back half 173.58s
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.