Mikkola is from
Tampere and took part in many sports as a child, trying
high jump for the first time at around the age of eight yesrs-old. She studies sports at Sampo Central High School. She competes as a member of Tampere Pyrintö and began to be coached by Laura Moisio in her early teens. She placed fourth at the
2024 European Athletics U18 Championships in Slovakia. In June 2025, she set a new personal best height of 1.85 metres at the Keuruu Midsummer Games. In July 2025, she improved her personal best to 1.87 metres whilst jumping at the Lempäälä Jumping Carnival to move to second behind Katja Kilpi on the Finnish all-time U20 list, and second in the European U20 year rankings. At the start of August 2025, she won the senior
Finnish Athletics Championships title at the age of 17 years-old, jumping an under-20 national record of 1.90 metres in
Espoo. Later that month, she won a silver medal at the
2025 European Athletics U20 Championships in
Tampere, Finland, after recording a 1.89 metres clearance. On 1 March 2026, she won the high jump with a clearance of 1.85 metres at the Finish Indoor Championships in Espoo. == References ==