Ian Guo
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 26.18 | 2026-03-22 | 2026 RMSC Spring Finale fast pool | |
| 100 Freestyle | SCY | 56.95 | 2026-03-21 | 2026 RMSC Spring Finale fast pool | |
| 200 Freestyle | SCY | 2:14.31 | 2025-11-15 | 2025 RMSC November Dual Meet venue | |
| 50 Backstroke | SCY | 34.35 | 2025-11-16 | 2025 RMSC November Dual Meet venue | |
| 100 Backstroke | SCY | 1:14.71 | 2025-10-18 | 2025 RMSC October Kick-Off Classic venue | |
| 50 Breaststroke | SCY | 32.89 | 2026-03-22 | 2026 RMSC Spring Finale fast pool | |
| 100 Breaststroke | SCY | 1:11.87 | 2026-03-21 | 2026 RMSC Spring Finale fast pool | |
| 200 Breaststroke | SCY | 2:37.32 | 2026-03-22 | 2026 RMSC Spring Finale fast pool | |
| 50 Butterfly | SCY | 28.17 | 2026-03-21 | 2026 RMSC Spring Finale fast pool | |
| 100 Butterfly | SCY | 1:03.23 | 2026-01-18 | 2026 RMSC January Intrasquad Meet venue | |
| 200 Individual Medley | SCY | 2:24.37 | 2025-12-07 | 2025 Christmas Championships venue | |
| 100 Freestyle | LCM | 1:03.63 | 2026-05-30 | Maryland State LC Championship venue | |
| 100 Breaststroke | LCM | 1:25.07 | 2026-05-31 | Maryland State LC Championship venue | |
| 50 Butterfly | LCM | 31.41 | 2026-05-29 | Maryland State LC Championship venue | |
| 100 Butterfly | LCM | 1:13.02 | 2026-05-31 | Maryland State LC Championship venue |
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.
PR splits
100 Freestyle SCY 56.95
Front half 26.89s · back half 30.06s
200 Freestyle SCY 2:14.31
Front half 64.41s · back half 69.90s
100 Backstroke SCY 1:14.71
Front half 36.43s · back half 38.28s
100 Breaststroke SCY 1:11.87
Front half 34.27s · back half 37.60s
200 Breaststroke SCY 2:37.32
Front half 77.05s · back half 80.27s
100 Butterfly SCY 1:03.23
Front half 29.25s · back half 33.98s
200 Individual Medley SCY 2:24.37
Front half 68.46s · back half 75.91s
100 Freestyle LCM 1:03.63
Front half 30.69s · back half 32.94s
100 Breaststroke LCM 1:25.07
Front half 41.78s · back half 43.29s
100 Butterfly LCM 1:13.02
Front half 33.50s · back half 39.52s
Progression
Faster times are higher. One card per event, all courses & history.