| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:06.40 | Border City Invitational 2025 | 2025-12-05 |
| 100m Butterfly | 1:07.20 | 2026 MMST GTA Skins | 2026-02-13 |
| 100m Freestyle | 59.21 | 2026 MMST GTA Skins | 2026-02-13 |
| 100m Freestyle | 58.16 | BAC SC Fall Invitational | 2025-11-07 |
| 100m IM | 1:06.18 | 2025 MMST Dash 4 Cash | 2025-10-18 |
| 1500m Freestyle | 16:29.66 | Border City Invitational 2025 | 2025-12-05 |
| 200m Backstroke | 2:25.15 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 200m Butterfly | 2:29.98 | 2025 Central Region Div 1 LC Championships | 2025-06-20 |
| 200m Butterfly | 2:22.79 | BBST Fall Invitational 2025 | 2025-11-21 |
| 200m Freestyle | 2:07.26 | 2026 MMST GTA Skins | 2026-02-13 |
| 200m Freestyle | 2:01.65 | Border City Invitational 2025 | 2025-12-05 |
| 200m IM | 2:27.58 | 2026 MMST GTA Skins | 2026-02-13 |
| 200m IM | 2:24.18 | BBST Fall Invitational 2025 | 2025-11-21 |
| 400m Freestyle | 4:26.36 | 2025 Central Region Div 1 LC Championships | 2025-06-20 |
| 400m Freestyle | 4:15.43 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 400m IM | 5:13.42 | 2025 Central Region Div 1 LC Championships | 2025-06-20 |
| 400m IM | 5:02.01 | BAC SC Fall Invitational | 2025-11-07 |
| 50m Backstroke | 32.28 | 2026 MMST GTA Skins | 2026-02-13 |
| 50m Backstroke | 32.03 | 2025 MMST Club Champs | 2025-05-31 |
| 50m Breaststroke | 42.47 | 2025 MMST Club Champs | 2025-05-31 |
| 50m Butterfly | 30.17 | BBST Fall Invitational 2025 | 2025-11-21 |
| 50m Freestyle | 29.79 | 2025 MMST Club Champs | 2025-05-31 |
| 800m Freestyle | 8:43.66 | Border City Invitational 2025 | 2025-12-05 |
Quintana, Myles's top personal bests include 100m Backstroke (1:06.40), 100m Butterfly (1:07.20), 100m Freestyle (59.21), 100m Freestyle (58.16), 100m IM (1:06.18).
Quintana, Myles swims for Milton Marlin Swim Team.
Quintana, Myles has competed in 8 meets.