London Posthumus
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 37.87 | +3.78s to B | 2026-05-16 | 2026 LAC Spring Tune-UP venue |
| 100 Freestyle | SCY | 1:26.88 | +12.19s to B | 2026-05-16 | 2026 LAC Spring Tune-UP venue |
| 50 Backstroke | SCY | 48.57 | +9.78s to B | 2026-05-16 | 2026 LAC Spring Tune-UP venue |
| 50 Breaststroke | SCY | 57.50 | +13.51s to B | 2026-05-16 | 2026 LAC Spring Tune-UP venue |
| 50 Butterfly | SCY | 50.54 | +13.55s to B | 2026-05-16 | 2026 LAC Spring Tune-UP venue |
| 50 Freestyle | LCM | 43.25 | +4.56s to B | 2026-05-23 | 2026 JAWS First Chance Invite slow pool |
| 100 Freestyle | LCM | 1:38.28 | +12.59s to B | 2026-05-23 | 2026 JAWS First Chance Invite slow pool |
| 50 Backstroke | LCM | 55.98 | +11.09s to B | 2026-05-23 | 2026 JAWS First Chance Invite slow pool |
| 50 Breaststroke | LCM | 1:06.72 | +16.93s to B | 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.
IMX / IMR
IMR 11-12 · SCY
566 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 50 BK SCY | 48.57 | 214 |
| 50 BR SCY | 57.50 | 188 |
| 50 FL SCY | 50.54 | 164 |
| 200 FR SCY | — | 0 |
| 100 IM 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 LCM 1:38.28
Front half 46.81s · back half 51.47s
Progression
Faster times are higher. One card per event, all courses & history.