swimMason McKenzie
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 40.35 | +2.06s to B | 2025-02-16 | 2025 OR CB Valentine Last Chance Invitational slow pool |
| 100 Freestyle | SCY | 1:36.22 | +7.73s to B | 2025-02-16 | 2025 OR CB Valentine Last Chance Invitational slow pool |
| 200 Freestyle | SCY | 3:04.39 | B+13.70s to BB | 2025-11-15 | 2025 OR CB 43rd Annual Animal Meet slow pool |
| 50 Backstroke | SCY | 51.04 | +2.55s to B | 2024-10-13 | 2024 OR HEAT Fall Invitational slow pool |
| 200 Backstroke | SCY | 4:01.83 | 2024-12-20 | 2024 TTSC Holiday Invitational venue | |
| 50 Breaststroke | SCY | 54.05 | +0.56s to B | 2024-12-21 | 2024 TTSC Holiday Invitational venue |
| 50 Butterfly | SCY | 48.18 | +1.69s to B | 2025-11-15 | 2025 OR CB 43rd Annual Animal Meet slow pool |
| 100 Individual Medley | SCY | 1:41.31 | +1.52s to B | 2025-11-15 | 2025 OR CB 43rd Annual Animal Meet slow pool |
| 100 Freestyle | LCM | 1:41.82 | +0.73s to B | 2025-05-31 | LA OPEN 2025 venue |
| 50 Backstroke | LCM | 58.45 | +3.06s to B | 2025-05-31 | LA OPEN 2025 venue |
| 50 Breaststroke | LCM | 1:02.50 | +1.61s to B | 2025-05-31 | LA OPEN 2025 venue |
| 100 Breaststroke | LCM | 2:06.47 | B+7.08s to BB | 2025-07-12 | 2025 OSI Arena Summer LC 10&U Championships venue |
| 50 Butterfly | LCM | 1:04.64 | +12.35s to B | 2025-06-21 | 72nd Annual Ted Walker Invitational venue |
| 200 Individual Medley | LCM | 4:24.71 | +14.82s to B | 2025-06-21 | 72nd Annual Ted Walker Invitational venue |
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.
IMX / IMR
IMX 10 & under · LCM
656 points (2/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BR LCM | 2:06.47 | 381 |
| 200 IM LCM | 4:24.71 | 275 |
| 200 FR LCM | — | 0 |
| 100 BK LCM | — | 0 |
| 100 FL LCM | — | 0 |
IMR 10 & under · SCY
1391 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 100 FR SCY | 1:36.22 | 250 |
| 50 BK SCY | 51.04 | 250 |
| 50 BR SCY | 54.05 | 305 |
| 50 FL SCY | 48.18 | 260 |
| 100 IM SCY | 1:41.31 | 326 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:36.22
Front half 43.29s · back half 52.93s
200 Freestyle SCY 3:04.39
Front half 92.28s · back half 92.11s
100 Individual Medley SCY 1:41.31
Front half 48.79s · back half 52.52s
100 Freestyle LCM 1:41.82
Front half 46.13s · back half 55.69s
100 Breaststroke LCM 2:06.47
Front half 61.12s · back half 65.35s
200 Individual Medley LCM 4:24.71
Front half 132.53s · back half 132.18s
Progression
Faster times are higher. One card per event, all courses & history.