Jacob YU
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 25 Freestyle | SCY | 15.59 | 2024-01-01 | Metropolitan Swimming Club | |
| 50 Freestyle | SCY | 29.85 | AA+1.06s to AAA | 2025-11-29 | 2025 MR LIE Thanksgiving Invitational venue |
| 100 Freestyle | SCY | 1:04.00 | AAA+2.91s to AAAA | 2026-05-31 | 2026 MR FREE Summer Splash - SCY day 2 |
| 200 Freestyle | SCY | 2:17.40 | AAA+4.61s to AAAA | 2026-01-17 | 2026 MR AGUA MLK Invitational venue |
| 500 Freestyle | SCY | 6:19.61 | AA+9.62s to AAA | 2025-10-05 | 2025 MR FLY Flushing Y Distance Meet venue |
| 25 Backstroke | SCY | 19.11 | 2024-01-01 | Metropolitan Swimming Club | |
| 50 Backstroke | SCY | 35.41 | AA+1.22s to AAA | 2026-03-13 | 2026 MR SC Junior Metropolitan Championships venue |
| 100 Backstroke | SCY | 1:16.08 | AA+3.29s to AAA | 2026-01-10 | 2026 MR WEST Chris Dewey Trophy Meet venue |
| 25 Breaststroke | SCY | 21.43 | 2024-01-01 | Metropolitan Swimming Club | |
| 50 Breaststroke | SCY | 40.46 | A+0.27s to AA | 2026-05-31 | 2026 MR FREE Summer Splash - SCY day 2 |
| 100 Breaststroke | SCY | 1:25.82 | AA+2.13s to AAA | 2026-05-31 | 2026 MR FREE Summer Splash - SCY day 2 |
| 25 Butterfly | SCY | 1:10.85 | 2024-01-01 | Metropolitan Swimming Club | |
| 50 Butterfly | SCY | 31.60 | AAA+0.81s to AAAA | 2026-01-31 | 2026 MR LIE Second Chance Invitational venue |
| 100 Butterfly | SCY | 1:08.18 | AAAA | 2026-05-31 | 2026 MR FREE Summer Splash - SCY day 2 venue |
| 100 Individual Medley | SCY | 1:14.59 | AA+1.40s to AAA | 2026-01-01 | Metropolitan Swimming Club |
| 200 Individual Medley | SCY | 2:35.48 | AAA+4.59s to AAAA | 2026-01-10 | 2026 MR WEST Chris Dewey Trophy Meet venue |
| 400 Freestyle | SCM | 5:18.08 | AAA+9.09s to AAAA | 2026-05-30 | 2026 MR FREE Summer Splash - SCM venue |
| 50 Butterfly | SCM | 34.71 | AAA+0.62s to AAAA | 2026-05-30 | 2026 MR FREE Summer Splash - SCM venue |
| 100 Butterfly | SCM | 1:15.56 | AAAA | 2026-05-30 | 2026 MR FREE Summer Splash - SCM venue |
| 50 Freestyle | LCM | 32.93 | AAA+1.24s to AAAA | 2026-05-08 | lie 8may2026 |
| 100 Freestyle | LCM | 1:31.91 | B+1.22s to BB | 2024-05-26 | 2024 MR AGUA Memorial Day Invitational venue |
| 400 Freestyle | LCM | 5:57.51 | A+5.62s to AA | 2025-05-09 | lie 09may2025 |
| 50 Backstroke | LCM | 42.31 | A+1.22s to AA | 2025-01-01 | lie 12july2025 |
| 100 Backstroke | LCM | 1:38.97 | BB+6.68s to A | 2024-06-22 | 2024 MR RED Tails International Invitational venue |
| 50 Breaststroke | LCM | 51.20 | BB+3.31s to A | 2025-01-01 | Metropolitan Swimming Club |
| 100 Breaststroke | LCM | 1:39.41 | AA+2.92s to AAA | 2026-05-09 | 2026 MR LIE May Extravaganza Invitational venue |
| 50 Butterfly | LCM | 35.26 | AAA+0.57s to AAAA | 2026-05-08 | 2026 MR LIE May Extravaganza Invitational |
| 100 Butterfly | LCM | 1:19.18 | AAAA | 2026-05-09 | 2026 MR LIE May Extravaganza Invitational venue |
| 200 Individual Medley | LCM | 3:01.82 | AA+0.73s to AAA | 2025-01-01 | Metropolitan Swimming Club |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 10.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Butterfly | SCY | 33.96 | flying | 200 Medley Relay (leg 3) | 2026-01-11 | 2026 MR WEST Chris Dewey Trophy Meet |
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 · SCY
4404 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:17.40 | 900 |
| 100 BK SCY | 1:16.08 | 745 |
| 100 BR SCY | 1:25.82 | 773 |
| 100 FL SCY | 1:08.18 | 1072 |
| 200 IM SCY | 2:35.48 | 914 |
IMR 10 & under · SCY
4074 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 100 FR SCY | 1:04.00 | 852 |
| 50 BK SCY | 35.41 | 751 |
| 50 BR SCY | 40.46 | 727 |
| 50 FL SCY | 31.60 | 925 |
| 100 IM SCY | 1:14.59 | 819 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:04.00
Front half 30.58s · back half 33.42s
200 Freestyle SCY 2:17.40
Front half 67.44s · back half 69.96s
500 Freestyle SCY 6:19.61
Front half 188.33s · back half 191.28s
100 Backstroke SCY 1:16.08
Front half 36.90s · back half 39.18s
100 Breaststroke SCY 1:25.82
Front half 41.92s · back half 43.90s
100 Butterfly SCY 1:08.18
Front half 31.94s · back half 36.24s
100 Individual Medley SCY 1:14.59
Front half 36.13s · back half 38.46s
200 Individual Medley SCY 2:35.48
Front half 74.42s · back half 81.06s
400 Freestyle SCM 5:18.08
Front half 158.56s · back half 159.52s
100 Butterfly SCM 1:15.56
Front half 36.89s · back half 38.67s
100 Freestyle LCM 1:31.91
Front half 43.64s · back half 48.27s
400 Freestyle LCM 5:57.51
Front half 179.12s · back half 178.39s
100 Backstroke LCM 1:38.97
Front half 48.48s · back half 50.49s
100 Breaststroke LCM 1:39.41
Front half 49.50s · back half 49.91s
100 Butterfly LCM 1:19.18
Front half 37.52s · back half 41.66s
200 Individual Medley LCM 3:01.82
Front half 85.75s · back half 96.07s
Progression
Faster times are higher. One card per event, all courses & history.