Jack Chamberlain
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 33.38 | +0.59s to B | 2025-12-07 | 2025 TYDE Winter Championship venue |
| 50 Backstroke | SCY | 40.55 | +2.06s to B | 2025-12-07 | 2025 TYDE Winter Championship venue |
| 50 Breaststroke | SCY | 45.34 | +1.85s to B | 2025-09-20 | TYDE FALL KICK OFF 2025 slow pool |
| 100 Individual Medley | SCY | 1:32.84 | +10.95s to B | 2025-11-01 | Phyllis Steimel Invitational 2025 venue |
| 50 Freestyle | LCM | 42.79 | +5.40s to B | 2025-06-21 | 2025 Planet Swim Summer Championships venue |
| 100 Freestyle | LCM | 1:38.74 | +16.65s to B | 2025-06-22 | 2025 Planet Swim Summer Championships venue |
| 100 Backstroke | LCM | 2:02.84 | +25.65s to B | 2025-06-20 | 2025 Planet Swim Summer Championships venue |
| 100 Breaststroke | LCM | 1:55.63 | +7.84s to B | 2025-06-22 | 2025 Planet Swim Summer Championships venue |
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
IMX 11-12 · LCM
506 points (2/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK LCM | 2:02.84 | 188 |
| 100 BR LCM | 1:55.63 | 318 |
| 400 FR LCM | — | 0 |
| 100 FL LCM | — | 0 |
| 200 IM LCM | — | 0 |
IMR 11-12 · SCY
954 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 50 BK SCY | 40.55 | 335 |
| 50 BR SCY | 45.34 | 335 |
| 100 IM SCY | 1:32.84 | 284 |
| 200 FR SCY | — | 0 |
| 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 Individual Medley SCY 1:32.84
Front half 45.50s · back half 47.34s
100 Freestyle LCM 1:38.74
Front half 46.49s · back half 52.25s
100 Backstroke LCM 2:02.84
Front half 57.12s · back half 65.72s
100 Breaststroke LCM 1:55.63
Front half 54.05s · back half 61.58s
Progression
Faster times are higher. One card per event, all courses & history.