Kassin first appeared internationally at the Nordic Junior World Ski Championships in 1989 in Vang . There he won the gold medal with the relay. He ran his first of a total of 54 individual World Cup races in March 1991 in Lahti , which he finished in 47th place over 30 km freestyle . In the 1991/92 season he came three times in the points and achieved 32nd place in the overall World Cup, his best overall placement. He achieved his best individual placement in the World Cup with fifth place in the 30 km freestyle in Thunder Bay . His best results at the 1992 Winter Olympics in Albertville were 18th in the pursuit and tenth in the relay. At the World Championships in Falun in March 1993 , he came in 46th place over 10 km classic , 35th place in pursuit and 29th place over 50 km freestyle. With the season he ran there in 15th place. His best results at the Winter Olympics in Lillehammer the following year were 16th in the 30 km freestyle and 11th in the relay. At the 1995 World Championships in Thunder Bay, he finished 56th in the pursuit, 49th place over 10 km classic and 34th place over 50 km freestyle. His best results at the 1997 World Championships in Trondheim were 32nd place in the pursuit and 11th place in the relay. He completed his last international competitions at the 1998 Winter Olympics in Nagano . There he ran on the 58th place over 10 km classic, on the 43rd place in the subsequent pursuit race and on the tenth place with the relay.
Participation in World Championships and Olympic Winter Games
Olympic games
1992 Albertville : 10th place relay, 18th place 15 km pursuit, 22nd place 10 km classic, 45th place 50 km freestyle
1994 Lillehammer : 11th place relay, 16th place 30 km freestyle, 25th place 15 km pursuit, 33rd place 10 km classic
1998 Nagano : 10th place relay, 43rd place 15 km pursuit, 58th place 10 km classic
Nordic World Ski Championships
1993 Falun : 15th place relay, 29th place 50 km freestyle, 35th place 15 km pursuit, 46th place 10 km classic
1995 Thunder Bay : 34th place 50 km freestyle, 49th place 10 km classic, 56th place 15 km pursuit
1997 Trondheim : 11th place relay, 32nd place 15 km pursuit, 50th place 10 km classic, 57th place 30 km freestyle
Placements in the World Cup
World Cup Statistics
The table shows the placements achieved in detail.
1st – 3rd place: Number of podium placements
Top 10: Number of places in the top ten
Points ranks: Number of placements within the point ranks
Starts: Number of races run in the respective discipline
Note: In the distance races, the classification is based on the FIS.