Nottle has been riding BMX for 13 years which has taken him all over Australia and the World. He is the current Australian Junior Elite BMX Champion. His other achievements include; 2009 13-boys National Champion and World #3, 2012 National Champion 16-boys and again in 2013 National Champion Junior Elite, his first year in the Junior Elite class.
He obtained his coaching accreditation and enjoys coaching younger riders. He has even travelled to Darwin to share his knowledge. Aaron plans to make his International World Cup debut in 2014 and attend the World Championships to gain experience and exposure before moving up to the Senior Elite ranks in 2015. He also plans to compete at all the National Series rounds, National Championships and hopes to retain as many of his 2013 Titles as possible. Nottle recently won the Santini Junior Male BMX Cyclist of the Year Award at the Cycling Australia Awards.