Mika Noodt took up triathlon at the age of 13 at VfL Wolfsburg.[2] Since 2018, he competed for the team of DSW Darmstadt in the Triathlon Bundesliga.[3] In July 2021, he won Ironman 70.3 Les Sables d’Olonne, his first middle distance race.[4]
In April 2021, at the age of 21, Noodt won Challenge Gran Canaria. At the beginning of May 2022, he announced via his Instagram channel that he had suffered a pelvic injury and would be unable to compete in any competitions until further notice.[5]
In October 2022, Mika Noodt finished fourth at the Ironman 70.3 World Championship in St. George.[6]
In August 2025, he came second at the London T100[7] and subsequently took the lead in the overall 2025 T100 standings, having previously finished third at both the San Francisco T100 and the Vancouver T100.