Landan Groenenboom
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 34.32 | B+1.73s to BB | 2025-01-24 | 2025 CIA Winter Blues Buster |
| 100 Freestyle | SCY | 1:12.61 | B+2.02s to BB | 2025-03-29 | 2025 MN MYAS Midwest Regional Swim Meet slow pool |
| 200 Freestyle | SCY | 2:35.90 | B+1.21s to BB | 2025-03-30 | 2025 MN MYAS Midwest Regional Swim Meet slow pool |
| 500 Freestyle | SCY | 6:52.89 | BB+30.40s to A | 2025-03-29 | 2025 MN MYAS Midwest Regional Swim Meet slow pool |
| 1000 Freestyle | SCY | 14:34.07 | B+2.38s to BB | 2025-07-14 | 1632517 |
| 50 Backstroke | SCY | 41.07 | B+2.98s to BB | 2025-07-14 | 1632517 |
| 100 Backstroke | SCY | 1:21.60 | BB+6.01s to A | 2025-02-21 | 2025 IASI Age Group Championships |
| 50 Breaststroke | SCY | 43.82 | B+0.63s to BB | 2025-01-24 | 2025 CIA Winter Blues Buster |
| 100 Breaststroke | SCY | 1:33.89 | B+1.30s to BB | 2025-03-29 | 2025 MN MYAS Midwest Regional Swim Meet slow pool |
| 100 Butterfly | SCY | 1:30.25 | B+7.26s to BB | 2025-02-21 | 2025 IASI Age Group Championships |
| 100 Individual Medley | SCY | 1:22.89 | B+1.20s to BB | 2025-01-24 | 2025 CIA Winter Blues Buster |
| 200 Individual Medley | SCY | 2:51.98 | BB+8.29s to A | 2025-03-30 | 2025 MN MYAS Midwest Regional Swim Meet slow pool |
| 200 Freestyle | LCM | 3:00.06 | B+3.87s to BB | 2024-07-25 | 2024 IA Long Course Championships |
| 50 Backstroke | LCM | 46.44 | B+2.45s to BB | 2024-07-27 | 2024 IA Long Course Championships venue |
| 50 Breaststroke | LCM | 52.93 | B+3.74s to BB | 2024-07-25 | 2024 IA Long Course Championships |
| 100 Breaststroke | LCM | 1:52.47 | B+4.28s to BB | 2024-07-25 | 2024 IA Long Course Championships |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 11.
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 11-12 · SCY
1940 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 6:52.89 | 444 |
| 100 BK SCY | 1:21.60 | 387 |
| 100 BR SCY | 1:33.89 | 376 |
| 100 FL SCY | 1:30.25 | 280 |
| 200 IM SCY | 2:51.98 | 453 |
IMR 11-12 · SCY
1516 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:35.90 | 422 |
| 50 BK SCY | 41.07 | 323 |
| 50 BR SCY | 43.82 | 371 |
| 100 IM SCY | 1:22.89 | 400 |
| 50 FL 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 1:12.61
Front half 34.96s · back half 37.65s
200 Freestyle SCY 2:35.90
Front half 75.82s · back half 80.08s
500 Freestyle SCY 6:52.89
Front half 206.83s · back half 206.06s
100 Backstroke SCY 1:21.60 split/total mismatch
Front half 40.77s · back half 40.83s
100 Breaststroke SCY 1:33.89
Front half 45.30s · back half 48.59s
100 Butterfly SCY 1:30.25 split/total mismatch
Front half 40.17s · back half 50.08s
200 Individual Medley SCY 2:51.98
Front half 82.14s · back half 89.84s
200 Freestyle LCM 3:00.06 split/total mismatch
Progression
Faster times are higher. One card per event, all courses & history.