swimRhett Holwerda
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 29.08 | BB+0.99s to A | 2026-03-08 | 2026 Michigan YMCA State Championship fast pool |
| 100 Freestyle | SCY | 1:05.32 | BB+4.03s to A | 2026-03-08 | 2026 Michigan YMCA State Championship fast pool |
| 50 Backstroke | SCY | 33.51 | BB+0.82s to A | 2026-03-07 | 2026 Michigan YMCA State Championship fast pool |
| 100 Backstroke | SCY | 1:12.74 | BB+3.45s to A | 2026-03-07 | 2026 Michigan YMCA State Championship fast pool |
| 200 Backstroke | SCY | 2:06.33 | AAAA | 2026-01-17 | MLA 2026 Big Lake Invite |
| 50 Breaststroke | SCY | 38.86 | BB+2.17s to A | 2025-12-13 | 2025 Holiday Cup venue |
| 100 Breaststroke | SCY | 1:24.85 | BB+6.46s to A | 2026-03-07 | 2026 Michigan YMCA State Championship fast pool |
| 100 Individual Medley | SCY | 1:14.22 | BB+4.23s to A | 2026-03-08 | 2026 Michigan YMCA State Championship fast pool |
| 200 Individual Medley | SCY | 2:26.36 | A+0.77s to AA | 2026-01-17 | MLA 2026 Big Lake Invite |
| 50 Freestyle | LCM | 31.69 | A+0.90s to AA | 2026-05-02 | 2026 Calvin Early Bird Invite LCM |
| 100 Freestyle | LCM | 1:11.89 | BB+1.50s to A | 2026-06-07 | MLA Big Red Challenge fast pool |
| 50 Backstroke | LCM | 38.60 | BB+0.81s to A | 2026-05-23 | 2026 JAWS First Chance Invite slow pool |
| 100 Backstroke | LCM | 1:23.94 | BB+2.05s to A | 2026-05-02 | 2026 Calvin Early Bird Invite LCM venue |
| 50 Breaststroke | LCM | 45.06 | BB+3.07s to A | 2026-05-02 | 2026 Calvin Early Bird Invite LCM venue |
| 100 Breaststroke | LCM | 1:35.98 | BB+4.69s to A | 2026-05-23 | 2026 JAWS First Chance Invite |
| 200 Individual Medley | LCM | 2:58.20 | BB+4.01s to A | 2026-05-23 | 2026 JAWS First Chance Invite slow pool |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 12.
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 | 34.87 | flying | 200 Medley Relay (leg 4) | 2026-03-08 | 2026 Michigan YMCA State 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 11-12 · SCY
1791 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK SCY | 1:12.74 | 547 |
| 100 BR SCY | 1:24.85 | 509 |
| 200 IM SCY | 2:26.36 | 735 |
| 500 FR SCY | — | 0 |
| 100 FL SCY | — | 0 |
IMR 11-12 · LCM
1717 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 50 BK LCM | 38.60 | 601 |
| 50 BR LCM | 45.06 | 513 |
| 200 IM LCM | 2:58.20 | 603 |
| 200 FR LCM | — | 0 |
| 50 FL LCM | — | 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 1:05.32
Front half 30.79s · back half 34.53s
100 Backstroke SCY 1:12.74
Front half 35.05s · back half 37.69s
100 Breaststroke SCY 1:24.85
Front half 40.02s · back half 44.83s
100 Individual Medley SCY 1:14.22
Front half 33.95s · back half 40.27s
100 Freestyle LCM 1:11.89
Front half 34.07s · back half 37.82s
200 Individual Medley LCM 2:58.20
Front half 84.00s · back half 94.20s
Progression
Faster times are higher. One card per event, all courses & history.