London Posthumus
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | LCM | 42.75 | +4.06s to B | 2026-06-20 | 2026 Summer Solstice Meet venue |
| 50 Backstroke | LCM | 58.86 | +13.97s to B | 2026-06-21 | 2026 Summer Solstice Meet venue |
| 100 Backstroke | LCM | 2:02.28 | +21.69s to B | 2026-06-20 | 2026 Summer Solstice Meet venue |
| 50 Breaststroke | LCM | 1:01.23 | +11.44s to B | 2026-06-20 | 2026 Summer Solstice Meet venue |
| 100 Breaststroke | LCM | 2:19.48 | +29.09s to B | 2026-06-21 | 2026 Summer Solstice Meet venue |
| 50 Butterfly | LCM | 1:04.54 | +22.75s to B | 2026-06-21 | 2026 Summer Solstice Meet venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 12.
IMX / IMR
IMX 11-12 · LCM
412 points (2/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK LCM | 2:02.28 | 211 |
| 100 BR LCM | 2:19.48 | 201 |
| 400 FR LCM | — | 0 |
| 100 FL LCM | — | 0 |
| 200 IM LCM | — | 0 |
IMR 11-12 · LCM
527 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 50 BK LCM | 58.86 | 185 |
| 50 BR LCM | 1:01.23 | 227 |
| 50 FL LCM | 1:04.54 | 115 |
| 200 FR LCM | — | 0 |
| 200 IM LCM | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Backstroke LCM 2:02.28
Front half 61.17s · back half 61.11s
100 Breaststroke LCM 2:19.48
Front half 65.47s · back half 74.01s
Progression
Faster times are higher. One card per event, all courses & history.