swimMackenzie Eby
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 25 Freestyle | SCY | 14.96 | 2024-02-04 | 2024 ANSC Mini Champs slow pool | |
| 50 Freestyle | SCY | 28.42 | AAA+0.03s to AAAA | 2026-03-08 | 2026 AMS Age Group Championships - copied fast pool |
| 100 Freestyle | SCY | 1:00.80 | AAAA | 2026-03-06 | 2026 AMS Age Group Championships - copied fast pool |
| 200 Freestyle | SCY | 2:10.28 | AAAA | 2026-03-07 | 2026 AMS Age Group Championships - copied fast pool |
| 500 Freestyle | SCY | 5:34.64 | AAAA | 2026-03-05 | 2026 AMS Age Group Championships - copied fast pool |
| 25 Backstroke | SCY | 18.26 | 2024-02-03 | 2024 ANSC Mini Champs slow pool | |
| 50 Backstroke | SCY | 30.64 | AAAA | 2026-03-08 | 2026 AMS Age Group Championships - copied fast pool |
| 100 Backstroke | SCY | 1:06.66 | AAAA | 2026-01-24 | 2026 USAS IMX Games fast pool |
| 25 Breaststroke | SCY | 20.78 | 2024-02-04 | 2024 ANSC Mini Champs slow pool | |
| 50 Breaststroke | SCY | 39.89 | AA+1.00s to AAA | 2025-10-04 | PTSC First Splash 2025 |
| 100 Breaststroke | SCY | 1:21.25 | AAA+1.06s to AAAA | 2026-03-07 | 2026 AMS Age Group Championships - copied fast pool |
| 25 Butterfly | SCY | 16.55 | 2024-02-03 | 2024 ANSC Mini Champs slow pool | |
| 50 Butterfly | SCY | 32.98 | AAA+1.69s to AAAA | 2024-12-14 | Club Mountaineer Speedo Invite venue |
| 100 Butterfly | SCY | 1:08.71 | AAAA | 2026-03-08 | 2026 AMS Age Group Championships - copied fast pool |
| 100 Individual Medley | SCY | 1:08.89 | AAAA | 2026-03-07 | 2026 AMS Age Group Championships - copied fast pool |
| 200 Individual Medley | SCY | 2:24.73 | AAAA | 2026-03-06 | 2026 AMS Age Group Championships - copied fast pool |
| 50 Freestyle | LCM | 32.83 | AAA+0.64s to AAAA | 2025-08-06 | 2025 EZ LC Age Group Championship |
| 100 Freestyle | LCM | 1:10.86 | AAAA | 2025-08-06 | 2025 EZ LC Age Group Championship |
| 200 Freestyle | LCM | 2:32.66 | AAAA | 2025-08-06 | 2025 EZ LC Age Group Championship |
| 400 Freestyle | LCM | 5:18.89 | AAAA | 2025-08-06 | 2025 EZ LC Age Group Championship |
| 50 Backstroke | LCM | 36.20 | AAAA | 2025-08-06 | 2025 EZ LC Age Group Championship |
| 100 Backstroke | LCM | 1:16.79 | AAAA | 2025-08-06 | 2025 EZ LC Age Group Championship |
| 200 Backstroke | LCM | 3:05.50 | 2024-06-14 | 2024 AM LC MLAC Summer Celebration slow pool | |
| 50 Breaststroke | LCM | 48.73 | A+2.24s to AA | 2024-07-06 | 2024 AM LC AMS Summer Champs venue |
| 100 Breaststroke | LCM | 1:46.21 | A+2.82s to AA | 2024-07-07 | 2024 AM LC AMS Summer Champs venue |
| 50 Butterfly | LCM | 38.85 | AA+1.56s to AAA | 2024-07-13 | 2024 AM WV LCM Age Group Championships venue |
| 100 Butterfly | LCM | 1:23.75 | AAA+2.76s to AAAA | 2025-08-06 | 2025 EZ LC Age Group Championship |
| 200 Individual Medley | LCM | 2:55.59 | AAAA | 2025-08-06 | 2025 EZ LC Age Group Championship |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 10.
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 | 32.80 | flying | 200 Free Relay (leg 3) | 2023-11-19 | The 2023 Mark J. Braun Fall Classic |
| 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 | 37.93 | flying | 200 Medley Relay (leg 3) | 2023-11-18 | The 2023 Mark J. Braun Fall Classic |
| 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 |
| 100 Freestyle | LCM | 1:10.39 | flying | 400 Free Relay (leg 4) | 2025-08-08 | 2025 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 | 1:17.53 | flat | 400 Medley Relay | 2025-08-07 | 2025 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 10 & under · SCY
5359 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:10.28 | 1100 |
| 100 BK SCY | 1:06.66 | 1100 |
| 100 BR SCY | 1:21.25 | 961 |
| 100 FL SCY | 1:08.71 | 1098 |
| 200 IM SCY | 2:24.73 | 1100 |
IMR 10 & under · SCY
4887 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 100 FR SCY | 1:00.80 | 1049 |
| 50 BK SCY | 30.64 | 1100 |
| 50 BR SCY | 39.89 | 790 |
| 50 FL SCY | 32.98 | 854 |
| 100 IM SCY | 1:08.89 | 1094 |
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 Breaststroke LCM 1:46.21
Front half 50.59s · back half 55.62s
Progression
Faster times are higher. One card per event, all courses & history.