Mackenzie Eby
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 25 Freestyle | SCY | 14.96 | 2024-02-04 | 2024 ANSC Mini Champsslow pool | |
| 50 Freestyle | SCY | 28.42 | AA+0.33s to AAA·+3.63s to Sectionals | 2026-03-08 | 2026 AMS Age Group Championships - copiedfast pool |
| 100 Freestyle | SCY | 1:00.80 | AAA+2.51s to AAAA·+7.71s to Sectionals | 2026-03-06 | 2026 AMS Age Group Championships - copiedfast pool |
| 200 Freestyle | SCY | 2:10.28 | AAA+3.39s to AAAA·+15.29s to Sectionals | 2026-03-07 | 2026 AMS Age Group Championships - copiedfast pool |
| 500 Freestyle | SCY | 5:34.64 | AAAA·+25.85s to Sectionals | 2026-03-05 | 2026 AMS Age Group Championships - copiedfast pool |
| 25 Backstroke | SCY | 18.26 | 2024-02-03 | 2024 ANSC Mini Champsslow pool | |
| 50 Backstroke | SCY | 30.64 | AAA+0.15s to AAAA·+4.35s to Futures | 2026-03-08 | 2026 AMS Age Group Championships - copiedfast pool |
| 100 Backstroke | SCY | 1:06.66 | AAA+0.97s to AAAA·+7.37s to Sectionals | 2026-01-24 | 2026 USAS IMX Gamesvenue |
| 25 Breaststroke | SCY | 20.78 | 2024-02-04 | 2024 ANSC Mini Champsslow pool | |
| 50 Breaststroke | SCY | 39.89 | BB+0.90s to A·+10.10s to Futures | 2025-10-04 | PTSC First Splash 2025 |
| 100 Breaststroke | SCY | 1:21.25 | AA+3.16s to AAA·+13.06s to Sectionals | 2026-03-07 | 2026 AMS Age Group Championships - copiedfast pool |
| 25 Butterfly | SCY | 16.55 | 2024-02-03 | 2024 ANSC Mini Champsslow pool | |
| 50 Butterfly | SCY | 32.98 | A+0.99s to AA·+7.29s to Futures | 2024-12-14 | Club Mountaineer Speedo Invitevenue |
| 100 Butterfly | SCY | 1:08.71 | AAA+3.32s to AAAA·+10.22s to Sectionals | 2026-03-08 | 2026 AMS Age Group Championships - copiedfast pool |
| 100 Individual Medley | SCY | 1:08.89 | AAA+2.40s to AAAA | 2026-03-07 | 2026 AMS Age Group Championships - copiedfast pool |
| 200 Individual Medley | SCY | 2:24.73 | AAA+0.14s to AAAA·+14.04s to Sectionals | 2026-03-06 | 2026 AMS Age Group Championships - copiedfast pool |
| 50 Freestyle | LCM | 32.83 | AA+0.84s to AAA·+4.54s to Sectionals | 2025-08-09 | 2025 EZ LC Age Group Championshipvenue |
| 100 Freestyle | LCM | 1:10.86 | AA+0.77s to AAA·+10.17s to Sectionals | 2025-08-06 | 2025 EZ LC Age Group Championshipvenue |
| 200 Freestyle | LCM | 2:32.66 | AA+0.97s to AAA·+21.77s to Sectionals | 2025-08-07 | 2025 EZ LC Age Group Championshipvenue |
| 400 Freestyle | LCM | 5:06.96 | AAA+0.37s to AAAA·+29.27s to Sectionals | 2026-07-31 | 2026 EZ LC Age Group Championshipfast pool |
| 50 Backstroke | LCM | 35.07 | AAAA·+4.18s to Futures | 2026-08-01 | 2026 EZ LC Age Group Championshipfast pool |
| 100 Backstroke | LCM | 1:12.87 | AAAA·+4.98s to Sectionals | 2026-07-30 | 2026 EZ LC Age Group Championshipfast pool |
| 200 Backstroke | LCM | 2:33.49 | AAAA·+7.30s to Sectionals | 2026-07-31 | 2026 EZ LC Age Group Championshipfast pool |
| 50 Breaststroke | LCM | 48.73 | B+0.14s to BB·+13.94s to Futures | 2024-07-06 | 2024 AM LC AMS Summer Champsvenue |
| 100 Breaststroke | LCM | 1:46.21 | BB+7.42s to A·+28.32s to Sectionals | 2024-07-07 | 2024 AM LC AMS Summer Champsvenue |
| 50 Butterfly | LCM | 38.85 | BB+1.46s to A·+9.36s to Futures | 2024-07-13 | 2024 AM WV LCM Age Group Championshipsvenue |
| 100 Butterfly | LCM | 1:23.75 | A+1.06s to AA·+17.46s to Sectionals | 2025-08-06 | 2025 EZ LC Age Group Championshipvenue |
| 200 Individual Medley | LCM | 2:41.82 | AAAA·+13.43s to Sectionals | 2026-07-29 | 2026 EZ LC Age Group Championshipfast pool |
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.
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.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 30.82 | flat | 200 Free Relay | 2025-01-19 | 2025 MA AMS Tri State Cup |
| 50 Freestyle | SCY | 30.20 | flying | 200 Free Relay (leg 4) | 2025-01-18 | 2025 MA AMS Tri State Cup |
| 100 Freestyle | SCY | 1:02.57 | flying | 400 Free Relay (leg 4) | 2026-03-08 | 2026 AMS Age Group Championships - copied |
| 50 Breaststroke | SCY | 40.08 | flying | 200 Medley Relay (leg 2) | 2026-03-07 | 2026 AMS Age Group Championships - copied |
| 50 Butterfly | SCY | 34.01 | flying | 200 Medley Relay (leg 3) | 2025-01-19 | 2025 MA AMS Tri State Cup |
| 100 Butterfly | SCY | 1:08.95 | flying | 400 Medley Relay (leg 3) | 2026-03-06 | 2026 AMS Age Group Championships - copied |
| 50 Freestyle | LCM | 32.63 | flying | 200 Free Relay (leg 4) | 2025-08-06 | 2025 EZ LC Age Group Championship |
| 50 Freestyle | LCM | 34.65 | flying | 200 Medley Relay (leg 4) | 2024-08-10 | 2024 EZ LC Age Group Championship |
| 100 Freestyle | LCM | 1:16.19 | flat | 400 Free Relay | 2024-08-09 | 2024 EZ LC Age Group Championship |
| 100 Freestyle | LCM | 1:07.88 | flying | 400 Free Relay (leg 3) | 2026-07-31 | 2026 EZ LC Age Group Championship |
| 50 Backstroke | LCM | 37.46 | flat | 200 Medley Relay | 2025-08-09 | 2025 EZ LC Age Group Championship |
| 100 Backstroke | LCM | 1:13.46 | flat | 400 Medley Relay | 2026-07-30 | 2026 EZ LC Age Group Championship |
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
4041 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 5:34.64 | 938 |
| 100 BK SCY | 1:06.66 | 831 |
| 100 BR SCY | 1:21.25 | 681 |
| 100 FL SCY | 1:08.71 | 727 |
| 200 IM SCY | 2:24.73 | 864 |
IMR 11-12 · SCY
3626 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:10.28 | 818 |
| 50 BK SCY | 30.64 | 855 |
| 50 BR SCY | 39.89 | 565 |
| 50 FL SCY | 32.98 | 591 |
| 100 IM SCY | 1:08.89 | 797 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:00.80
Front half 29.23s · back half 31.57s
200 Freestyle SCY 2:10.28
Front half 63.10s · back half 67.18s
500 Freestyle SCY 5:34.64
Front half 166.00s · back half 168.64s
100 Backstroke SCY 1:06.66
Front half 32.32s · back half 34.34s
100 Breaststroke SCY 1:21.25
Front half 38.29s · back half 42.96s
100 Butterfly SCY 1:08.71
Front half 32.02s · back half 36.69s
100 Individual Medley SCY 1:08.89
Front half 30.92s · back half 37.97s
200 Individual Medley SCY 2:24.73
Front half 66.54s · back half 78.19s
100 Freestyle LCM 1:10.86
Front half 33.53s · back half 37.33s
200 Freestyle LCM 2:32.66
Front half 72.47s · back half 80.19s
400 Freestyle LCM 5:06.96
Front half 153.30s · back half 153.66s
100 Backstroke LCM 1:12.87
Front half 35.53s · back half 37.34s
200 Backstroke LCM 2:33.49
Front half 74.84s · back half 78.65s
100 Breaststroke LCM 1:46.21
Front half 50.59s · back half 55.62s
100 Butterfly LCM 1:23.75
Front half 37.90s · back half 45.85s
200 Individual Medley LCM 2:41.82
Front half 76.49s · back half 85.33s
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.