Nickname: Sen
Team name: Newcastle Powersports
Race number: 25
Date of birth: 25/07/2004
Hometown/state: Jewells, New South Wales
ProMX class: MXW
ProMX debut: 2022
Career highlight: Second place overall in the state MXW championship, 2022
Make and model of 2025 motorcycle: KTM 250SX-F
Sponsors: Newcastle Powersports, Fox Racing Australia, Unifilter Australia, Will Max Graphics, Strike Seats
First motorcycle: Yamaha PW50
Describe yourself: Sienna is fun, athletic, outgoing, hardworking, bubbly, energetic, determined and driven but easygoing
Fun or interesting fact: Sienna competed in BMX racing for 10 years and represented Australia
Hobbies outside of racing: Golf, wakeboard, and spend time with family
Race preparation: Gym, cycle, golf and practice on the motorcycle
Social media handle: Instagram: @siennagiudice