swimGuillermo Mantilla
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 22.15 | Sectionals ✓+2.46s to US Open | 2025-12-11 | 35th Annual Winter Championships |
| 100 Freestyle | SCY | 47.40 | Sectionals ✓+4.31s to US Open | 2026-03-08 | 2026 FG Age Group SCY Championshipsvenue |
| 200 Freestyle | SCY | 1:43.62 | Sectionals ✓+8.63s to US Open | 2026-10-10 | 2026 BCAA Swimming and Diving Championshipsvenue |
| 500 Freestyle | SCY | 4:47.37 | +1.28s to Sectionals | 2026-03-06 | 2026 FG Age Group SCY Championshipsvenue |
| 50 Backstroke | SCY | 25.14 | Sectionals ✓+3.65s to US Open | 2026-03-08 | 2026 FG Age Group SCY Championshipsvenue |
| 100 Backstroke | SCY | 53.44 | Sectionals ✓+6.45s to US Open | 2026-03-07 | 2026 FG Age Group SCY Championshipsvenue |
| 200 Backstroke | SCY | 1:55.18 | Sectionals ✓+11.89s to US Open | 2026-03-06 | 2026 FG Age Group SCY Championshipsvenue |
| 50 Breaststroke | SCY | 34.18 | +4.69s to Sectionals | 2024-02-09 | PST/CANES/CSSC/SOFLO Quadvenue |
| 100 Breaststroke | SCY | 1:14.34 | +11.65s to Sectionals | 2024-02-10 | PST/CANES/CSSC/SOFLO Quadvenue |
| 200 Breaststroke | SCY | 2:31.73 | +12.44s to Sectionals | 2024-10-05 | SoFlo TYR Distance IMX/IMR Challengevenue |
| 50 Butterfly | SCY | 27.93 | +3.64s to Sectionals | 2024-02-09 | PST/CANES/CSSC/SOFLO Quadvenue |
| 100 Butterfly | SCY | 1:02.59 | +9.90s to Sectionals | 2024-09-15 | 2024 Michael's Memorial Meetvenue |
| 200 Butterfly | SCY | 2:15.15 | +16.66s to Sectionals | 2025-11-21 | 2025 SoFlo Last Chance and Holiday Classicvenue |
| 100 Individual Medley | SCY | 58.36 | 34th Annual Winter Championshipsvenue | ||
| 200 Individual Medley | SCY | 2:01.66 | +2.27s to Sectionals | 2025-03-07 | 2025 FG Age Group SCY Championshipsvenue |
| 400 Individual Medley | SCY | 4:28.99 | +17.00s to Sectionals | 2026-10-02 | 2026 Speedo SOFLO Distance Challengevenue |
| 50 Freestyle | LCM | 25.42 | Sectionals ✓+2.13s to US Open | 2025-07-18 | 2025 Summer FGC Age Group Championshipsvenue |
| 100 Freestyle | LCM | 54.35 | Sectionals ✓+3.46s to US Open | 2026-06-07 | 2026 FL SZSS Sectional Championshipsvenue |
| 200 Freestyle | LCM | 1:59.01 | Sectionals ✓+7.02s to US Open | 2026-06-05 | 2026 FL SZSS Sectional Championshipsvenue |
| 400 Freestyle | LCM | 4:21.30 | +2.21s to Sectionals | 2025-07-19 | 2025 Summer FGC Age Group Championshipsvenue |
| 800 Freestyle | LCM | 9:38.61 | +43.02s to Sectionals | 2024-04-19 | 3rd Annual SoFlo White & Blue Dual Meetvenue |
| 50 Backstroke | LCM | 29.52 | Sectionals ✓+3.43s to US Open | 2026-06-04 | 2026 FL SZSS Sectional Championshipsvenue |
| 100 Backstroke | LCM | 1:04.07 | Sectionals ✓+7.18s to US Open | 2025-07-19 | 2025 Summer FGC Age Group Championshipsvenue |
| 200 Backstroke | LCM | 2:19.19 | Sectionals ✓+14.60s to US Open | 2026-06-07 | 2026 FL SZSS Sectional Championshipsvenue |
| 100 Breaststroke | LCM | 1:25.18 | +12.79s to Sectionals | 2024-06-14 | SoFlo TYR Last Chance Summer Invitevenue |
| 50 Butterfly | LCM | 29.60 | +1.81s to Sectionals | 2026-01-16 | January Central Park Seriesvenue |
| 100 Butterfly | LCM | 1:08.45 | +7.96s to Sectionals | 2026-01-17 | January Central Park Seriesvenue |
| 200 Individual Medley | LCM | 2:20.67 | +2.98s to Sectionals | 2025-06-13 | 2025 SoFlo Last Chance Summer Invitevenue |
| 400 Individual Medley | LCM | 5:06.43 | +12.54s to Sectionals | 2025-06-14 | 2025 SoFlo Last Chance Summer Invitevenue |
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 | 22.39 | flat | 200 Free Relay | 2025-03-09 | 2025 FG Age Group SCY Championships |
| 50 Freestyle | SCY | 23.83 | flying | 200 Medley Relay (leg 4) | 2024-02-10 | PST/CANES/CSSC/SOFLO Quad |
| 50 Freestyle | SCY | 21.57 | flying | 200 Free Relay (leg 4) | 2026-10-10 | 2026 BCAA Swimming and Diving Championships |
| 100 Freestyle | SCY | 55.55 | flat | 400 Free Relay | 2025-03-07 | 2025 FG Age Group SCY Championships |
| 100 Freestyle | SCY | 54.73 | flying | 400 Medley Relay (leg 4) | 2025-12-13 | 35th Annual Winter Championships |
| 100 Freestyle | SCY | 47.25 | flying | 400 Free Relay (leg 4) | 2025-12-14 | 35th Annual Winter Championships |
| 50 Backstroke | SCY | 26.00 | flat | 200 Medley Relay | 2026-03-08 | 2026 FG Age Group SCY Championships |
| 100 Backstroke | SCY | 55.52 | flat | 400 Medley Relay | 2025-12-12 | 35th Annual Winter Championships |
| 50 Freestyle | LCM | 24.88 | flying | 200 Free Relay (leg 4) | 2026-07-23 | 2026 FG Senior LCM Championships |
| 50 Freestyle | LCM | 25.38 | flying | 200 Medley Relay (leg 4) | 2025-07-20 | 2025 Summer FGC Age Group Championships |
| 100 Freestyle | LCM | 55.09 | flat | 400 Free Relay | 2025-07-18 | 2025 Summer FGC Age Group Championships |
| 100 Freestyle | LCM | 53.83 | flying | 400 Free Relay (leg 3) | 2026-06-05 | 2026 FL SZSS Sectional Championships |
| 100 Freestyle | LCM | 55.15 | flying | 400 Medley Relay (leg 4) | 2026-02-14 | 2026 SZSS Spring Championships |
| 200 Freestyle | LCM | 1:58.87 | flying | 800 Free Relay (leg 2) | 2026-06-04 | 2026 FL SZSS Sectional Championships |
| 50 Backstroke | LCM | 29.50 | flat | 200 Medley Relay | 2026-06-05 | 2026 FL SZSS Sectional Championships |
| 100 Backstroke | LCM | 1:03.80 | flat | 400 Medley Relay | 2026-06-06 | 2026 FL SZSS Sectional 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.
PR splits
100 Freestyle SCY 47.40
Front half 23.11s · back half 24.29s
200 Freestyle SCY 1:43.62
Front half 50.47s · back half 53.15s
500 Freestyle SCY 4:47.37
Front half 140.73s · back half 146.64s
100 Backstroke SCY 53.44
Front half 26.31s · back half 27.13s
200 Backstroke SCY 1:55.18
Front half 56.14s · back half 59.04s
100 Breaststroke SCY 1:14.34
Front half 35.30s · back half 39.04s
200 Breaststroke SCY 2:31.73
Front half 74.45s · back half 77.28s
100 Butterfly SCY 1:02.59
Front half 29.02s · back half 33.57s
200 Butterfly SCY 2:15.15
Front half 61.99s · back half 73.16s
200 Individual Medley SCY 2:01.66
400 Individual Medley SCY 4:28.99
Front half 132.65s · back half 136.34s
100 Freestyle LCM 54.35 · 480.0 min after 200 Backstroke
Front half 26.52s · back half 27.83s
200 Freestyle LCM 1:59.01 · 480.0 min after 200 Freestyle
Front half 57.86s · back half 61.15s
400 Freestyle LCM 4:21.30
Front half 128.04s · back half 133.26s
800 Freestyle LCM 9:38.61
100 Backstroke LCM 1:04.07
Front half 30.90s · back half 33.17s
200 Backstroke LCM 2:19.19
Front half 68.28s · back half 70.91s
100 Breaststroke LCM 1:25.18
Front half 41.17s · back half 44.01s
200 Individual Medley LCM 2:20.67
400 Individual Medley LCM 5:06.43
Front half 148.62s · back half 157.81s
Reaction time
From electronically-timed starts only (~2% of corpus swims carry a reaction time). PRs with a recorded reaction show an RT chip in the splits section above.
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.