Ekmanis started his sporting career as a triple jumper , where he became champion of the Latvian SSR in 1980 . In the autumn of the same year he switched to bobsleigh and was one of the most successful Soviet bobsleigh pilots in the 1980s. With his brakeman Vladimir Alexandrov , he won the bronze medal in the two-man bobsleigh at the Winter Olympics in Sarajevo in 1984 . Together with the brakeman Nikolai Schriow Ekmanis won the bronze medal at the 1985 Bobsleigh World Championship - also the first medal for the Soviet bobsleigh team. At the European Bobsleigh Championships Ekmanis was able to win a complete set of medals between 1984 and 1990. In 1984 and 1985 he achieved bronze and gold with Vladimir Alexandrow as a push, in 1990 he came second with Juris Tone . In his second Olympic participation in 1988 in Calgary Ekmanis finished ninth with Aivars Trops . From 1992, after the dissolution of the Soviet Union , he started for Latvia . At the 1992 Winter Olympics in Albertville he was 16 in both two-man and four-man bobsleigh; In 1994 he finished 10th (two) and 13th (four). Furthermore, Ekmanis was third in the overall World Cup of the 1987/88 season . In 1987 and 1990 he was also the Soviet champion and in 1992 the Latvian champion, both in the two-man bobsleigh.
After the end of his active career, Ekmanis worked as Vice President of the Latvian Bobsleigh Federation and commentator for bobsleigh competitions on Latvian national television.