swimMack Peterson IV
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 28.34 | 2024-05-18 | 2024 USSC Spring Into Summer venue | |
| 100 Freestyle | SCY | 1:04.75 | 2024-05-18 | 2024 USSC Spring Into Summer venue | |
| 200 Freestyle | SCY | 2:26.58 | 2024-10-18 | 2024 Grab Bag Classic | |
| 50 Backstroke | SCY | 34.47 | 2024-12-12 | USSC Holiday Intersquad venue | |
| 100 Backstroke | SCY | 1:11.65 | 2024-11-09 | 2024 Fall Fiesta venue | |
| 50 Breaststroke | SCY | 39.07 | 2024-05-18 | 2024 USSC Spring Into Summer venue | |
| 100 Breaststroke | SCY | 1:12.97 | 2024-06-01 | Stoney Summer Spectacular | |
| 100 Butterfly | SCY | 59.64 | 2025-02-21 | SLA Senior Cup | |
| 100 Individual Medley | SCY | 1:13.60 | 2025-02-23 | SLA Senior Cup venue | |
| 200 Individual Medley | SCY | 2:46.80 | 2024-11-09 | 2024 Fall Fiesta venue | |
| 50 Freestyle | LCM | 33.02 | 2024-06-29 | 2024 PCC June Invite venue | |
| 50 Backstroke | LCM | 38.12 | 2024-06-29 | 2024 PCC June Invite venue | |
| 100 Breaststroke | LCM | 1:40.22 | 2024-06-29 | 2024 PCC June Invite venue |
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 27.06 | flying | 200 Medley Relay (leg 4) | 2026-02-06 | 2026 Boys Macomb County Championship/Invite |
| 50 Freestyle | SCY | 27.53 | flying | 200 Free Relay (leg 2) | 2026-02-06 | 2026 Boys Macomb County Championship/Invite |
| 100 Freestyle | SCY | 1:05.95 | flying | 400 Free Relay (leg 3) | 2026-02-06 | 2026 Boys Macomb County Championship/Invite |
Reconstructed from relay split marks. Flat = lead-off (comparable to individual times); flying starts run ~0.5–0.7s fast and are not PRs.
PR splits
100 Individual Medley SCY 1:13.60
Front half 33.55s · back half 40.05s
100 Breaststroke LCM 1:40.22
Front half 45.76s · back half 54.46s
Progression
Faster times are higher. One card per event, all courses & history.