Mackenzie Richardson
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 35.55 | BB+3.36s to A·+10.66s to Sectionals | 2026-06-20 | West Coast B Champtionshipsvenue |
| 100 Freestyle | SCY | 1:18.53 | BB+7.04s to A·+24.44s to Sectionals | 2026-10-10 | 2026 FAST Pumpkin Plungevenue |
| 200 Freestyle | SCY | 2:53.30 | BB+14.91s to A·+56.61s to Sectionals | 2026-07-24 | 2026 Summer Area 3 Championshipsvenue |
| 500 Freestyle | SCY | 8:24.51 | B+38.82s to BB·+194.62s to Sectionals | 2025-01-03 | Berkeley Training Challangevenue |
| 50 Backstroke | SCY | 47.93 | B+4.64s to BB·+19.34s to Sectionals | 2025-06-22 | West Coast B Champtionshipsvenue |
| 100 Backstroke | SCY | 1:39.92 | B+5.93s to BB·+39.13s to Sectionals | 2025-12-07 | 2025 Speedo Gator Holiday Classicvenue |
| 25 Breaststroke | SCY | 30.86 | 2024-02-24 | 2024 Spring Area 3 Championshipsvenue | |
| 50 Breaststroke | SCY | 49.35 | B+0.66s to BB·+15.76s to Sectionals | 2026-07-25 | 2026 Summer Area 3 Championshipsvenue |
| 100 Breaststroke | SCY | 1:45.31 | BB+11.72s to A·+34.42s to Sectionals | 2026-07-26 | 2026 Summer Area 3 Championshipsvenue |
| 25 Butterfly | SCY | 28.44 | 2024-01-20 | BLOOMIN' FAST SWIM MEETvenue | |
| 50 Butterfly | SCY | 44.32 | B+1.63s to BB·+16.93s to Sectionals | 2026-06-20 | West Coast B Champtionshipsvenue |
| 100 Butterfly | SCY | 1:41.63 | B+0.24s to BB·+42.54s to Sectionals | 2026-10-10 | 2026 FAST Pumpkin Plungevenue |
| 100 Individual Medley | SCY | 1:33.41 | BB+10.82s to A | 2026-06-21 | West Coast B Champtionshipsvenue |
| 200 Individual Medley | SCY | 3:15.42 | BB+19.23s to A·+62.83s to Sectionals | 2026-09-11 | 2026 KAH20 Openvenue |
| 50 Freestyle | LCM | 49.14 | +3.75s to B·+20.75s to Sectionals | 2024-04-20 | 2024 SPA Spring First Long Course Meetvenue |
| 100 Freestyle | LCM | 1:32.85 | BB+10.86s to A·+31.56s to Sectionals | 2026-05-02 | 2026 Stingrays Cinco De Mayo LCM Meetvenue |
| 50 Backstroke | LCM | 59.82 | +4.03s to B·+26.93s to Sectionals | 2024-04-20 | 2024 SPA Spring First Long Course Meetvenue |
| 100 Backstroke | LCM | 1:54.19 | B+5.70s to BB·+44.40s to Sectionals | 2026-04-19 | 2026 SAINT PETE'S 1st LONG COURSE MEETvenue |
| 50 Breaststroke | LCM | 1:01.18 | B+5.69s to BB·+22.89s to Sectionals | 2026-05-02 | 2026 Stingrays Cinco De Mayo LCM Meetvenue |
| 50 Butterfly | LCM | 53.87 | B+5.78s to BB·+22.58s to Sectionals | 2026-05-02 | 2026 Stingrays Cinco De Mayo LCM Meetvenue |
| 200 Individual Medley | LCM | 4:00.43 | B+11.14s to BB·+89.04s to Sectionals | 2026-04-19 | 2026 SAINT PETE'S 1st LONG COURSE MEETvenue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 10.
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.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 37.43 | flying | 200 Free Relay (leg 3) | 2025-06-22 | West Coast B Champtionships |
| 50 Backstroke | SCY | 46.18 | flat | 200 Medley Relay | 2026-06-20 | West Coast B Champtionships |
| 50 Butterfly | SCY | 56.32 | flying | 200 Medley Relay (leg 3) | 2025-06-21 | West Coast B Champtionships |
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
2089 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:53.30 | 485 |
| 100 BK SCY | 1:39.92 | 352 |
| 100 BR SCY | 1:45.31 | 441 |
| 100 FL SCY | 1:41.63 | 339 |
| 200 IM SCY | 3:15.42 | 472 |
IMR 10 & under · SCY
2007 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 100 FR SCY | 1:18.53 | 487 |
| 50 BK SCY | 47.93 | 314 |
| 50 BR SCY | 49.35 | 417 |
| 50 FL SCY | 44.32 | 351 |
| 100 IM SCY | 1:33.41 | 438 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:18.53
Front half 37.48s · back half 41.05s
200 Freestyle SCY 2:53.30
Front half 83.11s · back half 90.19s
500 Freestyle SCY 8:24.51
Front half 250.77s · back half 253.74s
100 Backstroke SCY 1:39.92
Front half 48.61s · back half 51.31s
100 Breaststroke SCY 1:45.31
Front half 50.28s · back half 55.03s
100 Butterfly SCY 1:41.63
Front half 45.89s · back half 55.74s
100 Individual Medley SCY 1:33.41
Front half 45.23s · back half 48.18s
200 Individual Medley SCY 3:15.42
Front half 95.40s · back half 100.02s
100 Backstroke LCM 1:54.19
Front half 56.13s · back half 58.06s
200 Individual Medley LCM 4:00.43
Front half 121.95s · back half 118.48s
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.