swimMackenzie Atkins
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 25 Freestyle | SCY | 17.66 | 2025-09-20 | Kiefer - Speedo Fall Invitational venue | |
| 50 Freestyle | SCY | 35.58 | 2026-02-28 | 2026 Spring Area 3 Championships venue | |
| 100 Freestyle | SCY | 1:21.81 | 2025-12-13 | 2025 HARRY MEISEL WEST venue | |
| 200 Freestyle | SCY | 3:04.10 | 2025-11-22 | SPA - PYP NOVEMBER 2025 venue | |
| 25 Backstroke | SCY | 20.85 | 2025-06-21 | West Coast B Champtionships fast pool | |
| 50 Backstroke | SCY | 44.12 | 2025-09-21 | Kiefer - Speedo Fall Invitational venue | |
| 100 Backstroke | SCY | 1:36.53 | 2026-02-28 | 2026 Spring Area 3 Championships venue | |
| 25 Breaststroke | SCY | 24.96 | 2025-10-17 | FRIDAY NITE RACES OCT 2025 venue | |
| 25 Butterfly | SCY | 18.71 | 2025-11-22 | SPA - PYP NOVEMBER 2025 venue | |
| 50 Butterfly | SCY | 45.38 | 2025-10-17 | FRIDAY NITE RACES OCT 2025 venue | |
| 100 Butterfly | SCY | 1:43.86 | 2025-12-12 | 2025 HARRY MEISEL WEST | |
| 100 Individual Medley | SCY | 1:36.34 | 2025-11-23 | SPA - PYP NOVEMBER 2025 venue | |
| 50 Freestyle | LCM | 36.75 | 2026-05-15 | 2026 SAINT PETE'S 2nd LONG COURSE MEET | |
| 100 Freestyle | LCM | 1:36.27 | 2026-04-19 | 2026 SAINT PETE'S 1st LONG COURSE MEET venue | |
| 200 Freestyle | LCM | 3:48.48 | 2025-07-05 | 2025 SPA'S SEMINOLE SUNRISE LANES SWIM MEET venue | |
| 50 Backstroke | LCM | 51.54 | 2026-04-18 | 2026 SAINT PETE'S 1st LONG COURSE MEET venue | |
| 100 Backstroke | LCM | 1:48.16 | 2026-04-19 | 2026 SAINT PETE'S 1st LONG COURSE MEET venue | |
| 50 Breaststroke | LCM | 1:02.90 | 2026-04-19 | 2026 SAINT PETE'S 1st LONG COURSE MEET venue | |
| 50 Butterfly | LCM | 58.27 | 2026-05-16 | 2026 SAINT PETE'S 2nd LONG COURSE MEET venue |
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 Butterfly | SCY | 46.44 | flying | 200 Medley Relay (leg 3) | 2025-05-03 | 2025 Berkeley May Double Header |
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
1112 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 3:04.10 | 404 |
| 100 BK SCY | 1:36.53 | 391 |
| 100 FL SCY | 1:43.86 | 317 |
| 100 BR SCY | — | 0 |
| 200 IM SCY | — | 0 |
IMR 10 & under · SCY
1560 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 FR SCY | 1:21.81 | 430 |
| 50 BK SCY | 44.12 | 403 |
| 50 FL SCY | 45.38 | 327 |
| 100 IM SCY | 1:36.34 | 400 |
| 50 BR SCY | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:21.81
Front half 37.31s · back half 44.50s
200 Freestyle SCY 3:04.10
Front half 85.31s · back half 98.79s
100 Backstroke SCY 1:36.53
Front half 47.84s · back half 48.69s
100 Individual Medley SCY 1:36.34
Front half 44.96s · back half 51.38s
100 Freestyle LCM 1:36.27
Front half 44.46s · back half 51.81s
200 Freestyle LCM 3:48.48
100 Backstroke LCM 1:48.16
Front half 52.38s · back half 55.78s
Progression
Faster times are higher. One card per event, all courses & history.