swimJacob Liu
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 25 Freestyle | SCY | 18.10 | 2024-07-07 | 2024 Metro Committee Summer Festival venue | |
| 50 Freestyle | SCY | 34.64 | BB+3.45s to A | 2025-10-19 | 2025 CA OC Gold Aquatics Fall Invitational venue |
| 100 Freestyle | SCY | 1:13.76 | BB+3.57s to A | 2025-12-07 | 2025 CA Trident Swim Club SC Dec Meet venue |
| 200 Freestyle | SCY | 2:36.47 | BB+4.78s to A | 2025-12-13 | 2025 CA GWSC Winter Age Group Invitational venue |
| 25 Backstroke | SCY | 21.35 | 2024-07-07 | 2024 Metro Committee Summer Festival venue | |
| 50 Backstroke | SCY | 35.57 | AA+1.38s to AAA | 2026-03-13 | 2026 SCS Spring Age Group Champs @ RMDA - cop venue |
| 100 Backstroke | SCY | 1:16.51 | A+0.22s to AA | 2026-03-15 | 2026 SCS Spring Age Group Champs @ RMDA - cop venue |
| 25 Breaststroke | SCY | 25.09 | 2024-07-07 | 2024 Metro Committee Summer Festival venue | |
| 50 Breaststroke | SCY | 43.49 | BB+1.40s to A | 2026-02-15 | 2026 Metro Champs @ La Mirada Armada venue |
| 100 Breaststroke | SCY | 1:33.99 | BB+2.30s to A | 2026-03-08 | 2026 CA Arcadia Riptides "Last Ditch" Meet fast pool |
| 25 Butterfly | SCY | 20.19 | 2024-07-07 | 2024 Metro Committee Summer Festival venue | |
| 50 Butterfly | SCY | 36.37 | BB+0.28s to A | 2025-12-06 | 2025 CA Trident Swim Club SC Dec Meet venue |
| 100 Butterfly | SCY | 1:18.62 | AA+3.73s to AAA | 2026-03-08 | 2026 CA Arcadia Riptides "Last Ditch" Meet fast pool |
| 100 Individual Medley | SCY | 1:22.07 | BB+2.18s to A | 2025-12-13 | 2025 CA GWSC Winter Age Group Invitational venue |
| 200 Individual Medley | SCY | 2:48.34 | A+2.45s to AA | 2026-03-15 | 2026 SCS Spring Age Group Champs @ RMDA - cop venue |
| 200 Freestyle | LCM | 2:54.59 | BB+0.90s to A | 2026-06-11 | ARMADA-2026 SCS June AG Invite venue |
| 50 Backstroke | LCM | 41.13 | A+0.04s to AA | 2026-04-26 | CA 2026 NOVApril Intrasquad Meet venue |
| 100 Backstroke | LCM | 1:27.13 | AA+3.04s to AAA | 2026-06-14 | ARMADA-2026 SCS June AG Invite venue |
| 50 Breaststroke | LCM | 52.63 | BB+4.74s to A | 2025-06-15 | 2025 CA SCS RAA June Age Group Championships venue |
| 100 Breaststroke | LCM | 1:48.22 | BB+2.63s to A | 2026-04-26 | CA 2026 NOVApril Intrasquad Meet venue |
| 50 Butterfly | LCM | 40.61 | BB+0.02s to A | 2026-06-12 | ARMADA-2026 SCS June AG Invite venue |
| 100 Butterfly | LCM | 1:29.25 | AA+4.06s to AAA | 2026-06-11 | ARMADA-2026 SCS June AG Invite venue |
| 200 Individual Medley | LCM | 3:09.55 | AA+8.46s to AAA | 2026-06-12 | ARMADA-2026 SCS June AG Invite venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 10.
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 Breaststroke | SCY | 44.30 | flying | 200 Medley Relay (leg 2) | 2024-07-14 | 2024 Metro Champs @LKWD |
| 50 Freestyle | LCM | 37.72 | flat | 200 Free Relay | 2025-07-25 | 2025 CA SCS/RAA Summer A/G Champs |
| 50 Backstroke | LCM | 41.50 | flat | 200 Medley Relay | 2025-07-25 | 2025 CA SCS/RAA Summer A/G Champs |
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 10 & under · LCM
3494 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:54.59 | 655 |
| 100 BK LCM | 1:27.13 | 773 |
| 100 BR LCM | 1:48.22 | 608 |
| 100 FL LCM | 1:29.25 | 709 |
| 200 IM LCM | 3:09.55 | 749 |
IMR 10 & under · SCY
3103 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 100 FR SCY | 1:13.76 | 557 |
| 50 BK SCY | 35.57 | 741 |
| 50 BR SCY | 43.49 | 585 |
| 50 FL SCY | 36.37 | 606 |
| 100 IM SCY | 1:22.07 | 614 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:13.76
Front half 35.73s · back half 38.03s
200 Freestyle SCY 2:36.47
Front half 75.78s · back half 80.69s
100 Backstroke SCY 1:16.51
Front half 37.44s · back half 39.07s
100 Breaststroke SCY 1:33.99
Front half 45.60s · back half 48.39s
100 Butterfly SCY 1:18.62
Front half 36.30s · back half 42.32s
100 Individual Medley SCY 1:22.07
Front half 38.31s · back half 43.76s
200 Individual Medley SCY 2:48.34
Front half 79.87s · back half 88.47s
200 Freestyle LCM 2:54.59
Front half 87.01s · back half 87.58s
100 Breaststroke LCM 1:48.22
Front half 52.26s · back half 55.96s
200 Individual Medley LCM 3:09.55
Front half 87.95s · back half 101.60s
Progression
Faster times are higher. One card per event, all courses & history.