swimJeffrey Gu
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 30.98 | BB+0.89s to A | 2025-11-28 | 2025 MR LIE Thanksgiving Invitational |
| 100 Freestyle | SCY | 1:24.63 | +8.54s to B | 2025-11-30 | 2025 MR LIE Thanksgiving Invitational venue |
| 500 Freestyle | SCY | 8:41.18 | +74.99s to B | 2025-10-05 | 2025 MR FLY Flushing Y Distance Meet venue |
| 50 Backstroke | SCY | 45.80 | +4.61s to B | 2026-01-24 | 2026 MR FLY Fran Schnarr Sprint Pentathlon Me venue |
| 100 Backstroke | SCY | 1:21.90 | BB+6.31s to A | 2025-10-18 | 2025 MR Flushing Y Junior Swim Championships |
| 50 Breaststroke | SCY | 37.88 | A+0.19s to AA | 2025-01-01 | Sanction #: 251170-AP |
| 50 Butterfly | SCY | 49.35 | +9.26s to B | 2026-01-01 | Metropolitan Swimming Club |
| 100 Butterfly | SCY | 2:04.10 | +33.61s to B | 2025-11-28 | 2025 MR LIE Thanksgiving Invitational |
| 100 Individual Medley | SCY | 1:20.58 | BB+5.29s to A | 2026-01-01 | Sanction #: 20270-AP-260270APT |
| 400 Individual Medley | SCY | 5:11.32 | AAA+10.13s to AAAA | 2025-10-05 | 2025 MR FLY Flushing Y Distance Meet |
| 50 Freestyle | LCM | 38.10 | B+1.01s to BB | 2026-05-29 | 2026 MR LIE May Spectacular Invitational |
| 50 Backstroke | LCM | 48.55 | +0.96s to B | 2026-05-30 | 2026 MR LIE May Spectacular Invitational venue |
| 50 Breaststroke | LCM | 57.91 | +4.52s to B | 2026-05-31 | 2026 MR LIE May Spectacular Invitational venue |
| 50 Butterfly | LCM | 47.83 | +2.54s to B | 2026-05-29 | 2026 MR LIE May Spectacular Invitational |
| 100 Butterfly | LCM | 1:34.76 | BB+8.27s to A | 2025-06-06 | 2025 MR LIE June Jumpoff Invitational |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 11.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Breaststroke | SCY | 59.67 | flying | 200 Medley Relay (leg 2) | 2025-10-19 | 2025 MR Flushing Y Junior Swim Championships |
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 11-12 · SCY
710 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 8:41.18 | 220 |
| 100 BK SCY | 1:21.90 | 383 |
| 100 FL SCY | 2:04.10 | 107 |
| 100 BR SCY | — | 0 |
| 200 IM SCY | — | 0 |
IMR 11-12 · SCY
1400 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 50 BK SCY | 45.80 | 233 |
| 50 BR SCY | 37.88 | 574 |
| 50 FL SCY | 49.35 | 158 |
| 100 IM SCY | 1:20.58 | 435 |
| 200 FR 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 SCY 1:24.63
Front half 38.72s · back half 45.91s
500 Freestyle SCY 8:41.18
Front half 252.37s · back half 268.81s
100 Butterfly SCY 2:04.10
Front half 55.07s · back half 69.03s
400 Individual Medley SCY 5:11.32
100 Butterfly LCM 1:34.76 split/total mismatch
Front half 44.27s · back half 50.49s
Progression
Faster times are higher. One card per event, all courses & history.