Biography
Jan Michael Bierneza Jr. (-) is a mountainbiker from Philippines. Bierneza Jr. won 0 races in her career. Her top result is 18th at Asia Mountain Bike Series - Passi City in Passi City, Iloilo.
Race Results
Show all wins
| Rank | Race | |
|---|---|---|
| 18 |
Asia Mountain Bike Series - Passi City
30 Mar 2025
Passi City, Iloilo
|
C2 |