Brian Guo
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 27.34 | A+0.35s to AA·+4.95s to Sectionals | 2026-03-15 | 2026 MR SC Junior Metropolitan Championshipsvenue |
| 100 Freestyle | SCY | 1:00.62 | A+1.83s to AA·+12.13s to Sectionals | 2026-01-30 | CPAC January AGQvenue |
| 200 Freestyle | SCY | 2:12.48 | A+4.29s to AA·+26.19s to Sectionals | 2025-12-11 | 2025 East Coast WinterFestvenue |
| 500 Freestyle | SCY | 5:51.07 | A+6.08s to AA·+63.68s to Sectionals | 2025-12-12 | 2025 East Coast WinterFestvenue |
| 50 Backstroke | SCY | 32.48 | A+1.29s to AA·+8.79s to Futures | 2026-01-30 | CPAC January AGQvenue |
| 100 Backstroke | SCY | 1:10.92 | BB+1.63s to A·+16.43s to Sectionals | 2025-11-22 | 2025 MR LIAC Thanksgiving Invitevenue |
| 200 Backstroke | SCY | 2:30.04 | BB+1.85s to A·+31.45s to Sectionals | 2025-11-21 | 2025 MR LIAC Thanksgiving Invitevenue |
| 50 Breaststroke | SCY | 39.39 | BB+2.70s to A·+13.10s to Futures | 2026-02-10 | JW Superbowl Splash ABBC |
| 100 Breaststroke | SCY | 1:22.62 | BB+4.23s to A·+21.13s to Sectionals | 2026-02-10 | JW Superbowl Splash ABBC |
| 200 Breaststroke | SCY | 2:47.36 | A+5.97s to AA·+32.37s to Sectionals | 2026-03-13 | 2026 MR SC Junior Metropolitan Championshipsvenue |
| 50 Butterfly | SCY | 30.20 | A+0.51s to AA·+7.31s to Futures | 2025-12-13 | 2025 East Coast WinterFestvenue |
| 100 Butterfly | SCY | 1:07.01 | A+1.12s to AA·+13.82s to Sectionals | 2025-12-11 | 2025 East Coast WinterFestvenue |
| 200 Butterfly | SCY | 2:28.79 | A+3.60s to AA·+27.60s to Sectionals | 2026-03-14 | 2026 MR SC Junior Metropolitan Championshipsvenue |
| 100 Individual Medley | SCY | 1:10.10 | BB+0.11s to A | 2025-12-13 | 2025 East Coast WinterFestvenue |
| 200 Individual Medley | SCY | 2:24.21 | AA+5.42s to AAA·+24.82s to Sectionals | 2026-03-14 | 2026 MR SC Junior Metropolitan Championshipsvenue |
| 400 Individual Medley | SCY | 5:06.77 | AA+10.28s to AAA·+51.68s to Sectionals | 2026-03-13 | 2026 MR SC Junior Metropolitan Championshipsvenue |
| 50 Freestyle | LCM | 31.44 | A+0.65s to AA·+5.95s to Sectionals | 2026-05-17 | 2026 MR LIAC Spring Kickoff Invitationalvenue |
| 100 Freestyle | LCM | 1:04.42 | AAA+2.83s to AAAA·+8.93s to Sectionals | 2025-06-07 | 2025 MR LIAC Summertime Classic Invitational |
| 200 Freestyle | LCM | 2:30.13 | A+2.94s to AA·+28.84s to Sectionals | 2026-06-13 | 2026 MR LIAC Summer Splash Invitationalvenue |
| 400 Freestyle | LCM | 6:06.65 | B+12.66s to BB·+109.06s to Sectionals | 2024-06-23 | 2024 MR LIAC Summer Fun Invitationalvenue |
| 800 Freestyle | LCM | 10:57.14 | AA+26.55s to AAA·+118.75s to Sectionals | 2026-04-24 | 2026 MR LIAC Speedo Long Island Challengevenue |
| 50 Backstroke | LCM | 36.57 | A+0.48s to AA·+8.68s to Futures | 2026-06-14 | 2026 MR LIAC Summer Splash Invitationalvenue |
| 100 Backstroke | LCM | 1:20.23 | A+2.14s to AA·+18.24s to Sectionals | 2026-06-13 | 2026 MR LIAC Summer Splash Invitationalvenue |
| 200 Backstroke | LCM | 2:53.74 | A+7.05s to AA·+38.95s to Sectionals | 2026-05-16 | 2026 MR LIAC Spring Kickoff Invitationalvenue |
| 50 Breaststroke | LCM | 50.75 | +0.96s to B·+19.86s to Futures | 2024-05-11 | 2024 MR LIAC Spring Kickoff Invitationalvenue |
| 100 Breaststroke | LCM | 1:29.44 | A+2.25s to AA·+19.75s to Sectionals | 2025-07-18 | 2025 MR LC Junior Mets Championship |
| 50 Butterfly | LCM | 33.36 | AA+1.37s to AAA·+7.07s to Futures | 2026-06-14 | 2026 MR LIAC Summer Splash Invitationalvenue |
| 100 Butterfly | LCM | 1:15.12 | AA+3.43s to AAA·+14.93s to Sectionals | 2025-07-18 | 2025 MR LC Junior Mets Championship |
| 200 Butterfly | LCM | 2:53.08 | A+4.29s to AA·+36.79s to Sectionals | 2026-05-16 | 2026 MR LIAC Spring Kickoff Invitationalvenue |
| 200 Individual Medley | LCM | 2:48.74 | A+2.25s to AA·+32.55s to Sectionals | 2026-04-26 | 2026 MR LIAC Speedo Long Island Challengevenue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 12.
National cuts (Sectionals → Nationals) are the current-season meet qualifying times for the swimmer's zone and age group; ✓ marks the hardest cut already achieved.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 27.69 | flying | 200 Medley Relay (leg 4) | 2026-03-14 | 2026 MR SC Junior Metropolitan Championships |
| 50 Freestyle | SCY | 28.30 | flying | 200 Free Relay (leg 3) | 2025-12-12 | 2025 East Coast WinterFest |
| 100 Freestyle | SCY | 1:00.83 | flying | 400 Free Relay (leg 3) | 2026-03-13 | 2026 MR SC Junior Metropolitan Championships |
| 50 Butterfly | SCY | 23.02 | flying | 200 Medley Relay (leg 3) | 2025-12-11 | 2025 East Coast WinterFest |
| 100 Butterfly | SCY | 1:06.84 | flying | 400 Medley Relay (leg 3) | 2026-03-15 | 2026 MR SC Junior Metropolitan Championships |
| 50 Freestyle | LCM | 35.35 | flying | 200 Free Relay (leg 2) | 2024-07-20 | 2024 Metropolitan LC Junior Met Championships |
| 100 Freestyle | LCM | 1:22.04 | flying | 400 Free Relay (leg 4) | 2024-07-21 | 2024 Metropolitan LC Junior Met Championships |
| 50 Butterfly | LCM | 38.81 | flying | 200 Medley Relay (leg 3) | 2024-07-21 | 2024 Metropolitan LC Junior Met 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
3317 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 5:51.07 | 722 |
| 100 BK SCY | 1:10.92 | 590 |
| 100 BR SCY | 1:22.62 | 552 |
| 100 FL SCY | 1:07.01 | 685 |
| 200 IM SCY | 2:24.21 | 768 |
IMR 11-12 · LCM
3241 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:30.13 | 717 |
| 50 BK LCM | 36.57 | 707 |
| 50 BR LCM | 50.75 | 359 |
| 50 FL LCM | 33.36 | 748 |
| 200 IM LCM | 2:48.74 | 710 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:00.62 split/total mismatch
200 Freestyle SCY 2:12.48
Front half 64.45s · back half 68.03s
500 Freestyle SCY 5:51.07
Front half 173.44s · back half 177.63s
100 Backstroke SCY 1:10.92
Front half 34.63s · back half 36.29s
200 Backstroke SCY 2:30.04
Front half 73.17s · back half 76.87s
100 Breaststroke SCY 1:22.62
Front half 39.93s · back half 42.69s
200 Breaststroke SCY 2:47.36
Front half 81.39s · back half 85.97s
100 Butterfly SCY 1:07.01
Front half 32.09s · back half 34.92s
200 Butterfly SCY 2:28.79
Front half 70.89s · back half 77.90s
100 Individual Medley SCY 1:10.10
Front half 31.90s · back half 38.20s
200 Individual Medley SCY 2:24.21
Front half 69.19s · back half 75.02s
400 Individual Medley SCY 5:06.77
Front half 149.15s · back half 157.62s
200 Freestyle LCM 2:30.13
Front half 71.88s · back half 78.25s
400 Freestyle LCM 6:06.65
Front half 183.07s · back half 183.58s
800 Freestyle LCM 10:57.14
Front half 323.80s · back half 333.34s
100 Backstroke LCM 1:20.23
Front half 39.07s · back half 41.16s
200 Backstroke LCM 2:53.74
Front half 85.29s · back half 88.45s
100 Breaststroke LCM 1:29.44 split/total mismatch
Front half 42.53s · back half 46.91s
200 Butterfly LCM 2:53.08
Front half 79.61s · back half 93.47s
200 Individual Medley LCM 2:48.74
Front half 80.07s · back half 88.67s
Swim history
Every recorded swim, newest first
| Date | Event | Course | Time | Age | Round | Meet |
|---|
Individual swims with a recorded date and time — including disqualifications — plus reconstructed relay legs (marked). Assembled in the browser from this page’s data.
Progression
Faster times are higher. One card per event, all courses & history.