Juntunen was introduced to cycling by his father, who ran a local cycling club, and his brother, who was also a cyclist.[5] He rode for French development team Remy Meder Haguenau as a junior,[6] before moving to Estonian team Tartu2024–BalticChainCycling.com for the 2020 season.[1] In 2020, he won the Finnish National Road Race Championships.[4]
Major results
2016
1st Time trial, National Junior Road Championships
2017
9th Overall La Coupe du Président de la Ville de Grudziądz