Johannes Kristian Lahti (May 29, 1952 in Turku – March 1, 2017) was a male decathlete from Finland, who was nicknamed "Jonski". He set his personal best (8090 points) in 1978. Lahti became national champion in the decathlon in 1980 and 1982.[1]
| Representing | |||||
|---|---|---|---|---|---|
| 1976 | Montréal, Canada | 11th | 7708 points | ||
| 1980 | Moscow, Soviet Union | 11th | 7765 points | ||