swimMackenzie Chen
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 25.47 | AA+0.08s to AAA·+0.58s to Sectionals | 2026-02-27 | Meet Results for |
| 100 Freestyle | SCY | 57.40 | AA+2.31s to AAA·+3.31s to Sectionals | 2024-12-08 | 2024 Gulf Age Group Championships venue |
| 200 Freestyle | SCY | 2:00.33 | AA+1.44s to AAA·+3.64s to Sectionals | 2026-02-27 | Meet Results for |
| 500 Freestyle | SCY | 5:25.10 | AA+4.41s to AAA·+15.21s to Sectionals | 2025-01-01 | 2025 Southern Senior Championships |
| 100 Backstroke | SCY | 1:14.40 | B+3.91s to BB·+13.61s to Sectionals | 2024-09-21 | 2024 FCST Red v Blue Challenge venue |
| 200 Backstroke | SCY | 2:29.59 | BB+8.30s to A·+16.30s to Sectionals | 2024-10-19 | 2024 FCST Oct Tri Meet venue |
| 50 Breaststroke | SCY | 33.76 | AA+0.87s to AAA·+0.17s to Sectionals | 2025-02-28 | 2025 Gulf 13 & Over Champs (PEAK) fast pool |
| 100 Breaststroke | SCY | 1:09.54 | AA+0.85s to AAA·Sectionals ✓+4.05s to Futures | 2025-01-01 | 2025 Southern Senior Championships |
| 200 Breaststroke | SCY | 2:28.85 | AA+0.96s to AAA·Sectionals ✓+6.16s to Futures | 2026-03-05 | LAC Spring Speedo Sectionals |
| 100 Butterfly | SCY | 1:08.37 | BB+3.38s to A·+9.28s to Sectionals | 2024-09-22 | 2024 FCST Red v Blue Challenge venue |
| 200 Butterfly | SCY | 2:33.84 | BB+9.65s to A·+21.65s to Sectionals | 2024-10-19 | 2024 FCST Oct Tri Meet venue |
| 200 Individual Medley | SCY | 2:14.65 | AA+1.96s to AAA·+2.06s to Sectionals | 2026-02-27 | Meet Results for |
| 400 Individual Medley | SCY | 4:56.36 | AA+11.27s to AAA·+17.67s to Sectionals | 2024-02-02 | 2024 Fleet Mardi Gras Extravaganza venue |
| 50 Freestyle | LCM | 28.97 | AAA+1.38s to AAAA·+0.58s to Sectionals | 2025-07-29 | 2025 ISCA Summer Senior Blast |
| 100 Freestyle | LCM | 1:03.99 | AA+1.50s to AAA·+2.70s to Sectionals | 2025-08-02 | 2025 ISCA Summer Senior Blast fast pool |
| 200 Freestyle | LCM | 2:22.17 | A+0.48s to AA·+10.08s to Sectionals | 2024-01-07 | KATY Westpark Tollway Classic slow pool |
| 400 Freestyle | LCM | 5:00.25 | A+2.16s to AA·+21.46s to Sectionals | KATY Westpark Tollway Classic slow pool | |
| 500 Freestyle | LCM | 5:00.25 | 2024-01-05 | KATY Westpark Tollway Classic venue | |
| 800 Freestyle | LCM | 10:41.74 | BB+0.85s to A·+66.05s to Sectionals | 2024-07-14 | 2024 Long Course Gulf Age Group Championships venue |
| 100 Backstroke | LCM | 1:16.63 | BB+0.94s to A·+6.84s to Sectionals | 2025-07-29 | 2025 ISCA Summer Senior Blast |
| 200 Backstroke | LCM | 2:47.86 | BB+5.07s to A·+15.87s to Sectionals | 2025-07-30 | 2025 ISCA Summer Senior Blast fast pool |
| 50 Breaststroke | LCM | 36.62 | AAA+1.33s to AAAA·Sectionals ✓+1.83s to Futures | 2025-08-02 | 2025 ISCA Summer Senior Blast fast pool |
| 100 Breaststroke | LCM | 1:20.52 | AA+1.83s to AAA·Sectionals ✓+4.53s to Futures | 2025-07-30 | 2025 ISCA Summer Senior Blast fast pool |
| 200 Breaststroke | LCM | 2:55.62 | AA+5.33s to AAA·Sectionals ✓+12.23s to Futures | 2026-01-01 | FCST Summer Splash - FULL |
| 100 Butterfly | LCM | 1:07.64 | AA+0.25s to AAA·+0.25s to Sectionals | 2026-01-02 | 2026 KATY January Westpark Tollway Classic venue |
| 200 Butterfly | LCM | 2:36.36 | AA+6.37s to AAA·+5.07s to Sectionals | 2026-01-02 | 2026 KATY January Westpark Tollway Classic venue |
| 200 Individual Medley | LCM | 2:30.75 | AAA+4.86s to AAAA·Sectionals ✓+4.56s to Futures | 2025-01-03 | 2025 KATY January Westpark Tollway Classic venue |
| 400 Individual Medley | LCM | 5:25.32 | AA+0.03s to AAA·+5.63s to Sectionals | 2026-01-01 | FCST Summer Splash - FULL |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 15.
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.
Pool tags are a venue speed heuristic (median deviation of all swims there vs each swimmer's typical time) — see the venue page for the method.
IMX / IMR
IMX 15-16 · LCM
4429 points (6/6 events)
| Event | Time | Points |
|---|---|---|
| 400 FR LCM | 5:00.25 | 698 |
| 200 BK LCM | 2:47.86 | 581 |
| 200 BR LCM | 2:55.62 | 747 |
| 200 FL LCM | 2:36.36 | 731 |
| 200 IM LCM | 2:30.75 | 860 |
| 400 IM LCM | 5:25.32 | 812 |
IMR 15-16 · LCM
3779 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:22.17 | 710 |
| 100 BK LCM | 1:16.63 | 615 |
| 100 BR LCM | 1:20.52 | 775 |
| 100 FL LCM | 1:07.64 | 819 |
| 200 IM LCM | 2:30.75 | 860 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 57.40 RT 0.61s
Front half 27.60s · back half 29.80s
100 Backstroke SCY 1:14.40
Front half 36.21s · back half 38.19s
200 Backstroke SCY 2:29.59
Front half 73.52s · back half 76.07s
200 Breaststroke SCY 2:28.85 split/total mismatch
100 Butterfly SCY 1:08.37
Front half 32.15s · back half 36.22s
200 Butterfly SCY 2:33.84
Front half 70.47s · back half 83.37s
400 Individual Medley SCY 4:56.36
Front half 144.31s · back half 152.05s
100 Freestyle LCM 1:03.99
Front half 30.51s · back half 33.48s
200 Freestyle LCM 2:22.17
Front half 69.15s · back half 73.02s
400 Freestyle LCM 5:00.25
Front half 146.66s · back half 153.59s
800 Freestyle LCM 10:41.74
Front half 318.80s · back half 322.94s
100 Backstroke LCM 1:16.63 split/total mismatch
Front half 36.10s · back half 40.53s
200 Backstroke LCM 2:47.86
Front half 79.78s · back half 88.08s
100 Breaststroke LCM 1:20.52
Front half 37.70s · back half 42.82s
200 Butterfly LCM 2:36.36
Front half 75.07s · back half 81.29s
200 Individual Medley LCM 2:30.75
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.
Progression
Faster times are higher. One card per event, all courses & history.