swimLucas Guo
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 27.44 | A+0.45s to AA | 2026-03-07 | 2026 Spring SW ISI Divisional Championships - fast pool |
| 100 Freestyle | SCY | 1:01.30 | BB+0.01s to A | 2026-03-08 | 2026 Spring SW ISI Divisional Championships - fast pool |
| 200 Freestyle | SCY | 2:15.83 | BB+2.14s to A | 2026-03-07 | 2026 Spring SW ISI Divisional Championships - fast pool |
| 50 Backstroke | SCY | 30.84 | AA+1.15s to AAA | 2026-03-21 | 2026 IN Swimming Age Group Short Course Champ fast pool |
| 100 Backstroke | SCY | 1:06.54 | A+0.55s to AA | 2026-03-08 | 2026 Spring SW ISI Divisional Championships - fast pool |
| 50 Butterfly | SCY | 29.89 | A+0.20s to AA | 2026-03-08 | 2026 Spring SW ISI Divisional Championships - fast pool |
| 100 Butterfly | SCY | 1:08.02 | A+2.13s to AA | 2026-03-21 | 2026 IN Swimming Age Group Short Course Champ fast pool |
| 50 Backstroke | LCM | 41.00 | BB+3.21s to A | 2024-07-12 | 2024 IN Swimming Swimfest venue |
| 100 Backstroke | LCM | 1:29.14 | BB+7.25s to A | 2024-07-14 | 2024 IN Swimming Swimfest venue |
| 50 Breaststroke | LCM | 50.71 | +0.92s to B | 2024-07-12 | 2024 IN Swimming Swimfest venue |
| 50 Butterfly | LCM | 37.44 | BB+2.15s to A | 2024-07-14 | 2024 IN Swimming Swimfest venue |
| 100 Butterfly | LCM | 1:29.14 | B+1.85s to BB | 2024-07-13 | 2024 IN Swimming Swimfest venue |
| 200 Individual Medley | LCM | 3:16.74 | B+7.15s to BB | 2024-07-13 | 2024 IN Swimming Swimfest 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.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 28.29 | flat | 200 Free Relay | 2026-03-07 | 2026 Spring SW ISI Divisional Championships - |
| 50 Freestyle | SCY | 27.23 | flying | 200 Free Relay (leg 2) | 2026-03-22 | 2026 IN Swimming Age Group Short Course Champ |
| 50 Backstroke | SCY | 31.06 | flat | 200 Medley Relay | 2026-03-21 | 2026 IN Swimming Age Group Short Course Champ |
| 50 Butterfly | SCY | 31.85 | flying | 200 Medley Relay (leg 3) | 2025-03-22 | 2025 IN Swimming Age Group Short Course Champ |
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 · LCM
1379 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK LCM | 1:29.14 | 492 |
| 100 FL LCM | 1:29.14 | 439 |
| 200 IM LCM | 3:16.74 | 448 |
| 400 FR LCM | — | 0 |
| 100 BR LCM | — | 0 |
IMR 11-12 · SCY
2112 points (3/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:15.83 | 638 |
| 50 BK SCY | 30.84 | 763 |
| 50 FL SCY | 29.89 | 711 |
| 50 BR SCY | — | 0 |
| 100 IM 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 1:01.30
Front half 29.18s · back half 32.12s
200 Freestyle SCY 2:15.83
Front half 65.41s · back half 70.42s
100 Backstroke SCY 1:06.54
Front half 32.28s · back half 34.26s
100 Butterfly SCY 1:08.02
Front half 32.96s · back half 35.06s
100 Backstroke LCM 1:29.14
Front half 43.47s · back half 45.67s
100 Butterfly LCM 1:29.14
Front half 41.56s · back half 47.58s
200 Individual Medley LCM 3:16.74
Front half 90.70s · back half 106.04s
Progression
Faster times are higher. One card per event, all courses & history.