Rubuta ci gaba don wannan sakin layi - Constantin kuma ya lashe lambobin yabo takwas a Gasar Cin Kofin Duniya ta ICF Canoe Sprint tare da azurfa (K-2 500 m: 1977) da tagulla bakwai (K-2 500 m: 1978
1979, 1981; K-4 500 m: 1974, 1978, 1979, 1983).