She won her first international Gold medal at the 1971 European Athletics Championships as a member of the 4 × 100 m relay team, where she placed 4th in the 100 metre final. She took a silver as the anchor of the 4 × 100 m relay squad in the 1974 European Championships in Rome.
Helten set a world record for 100 meters in June 1976, with an 11.04 clocking; she competed for West Germany at the 1976 Summer Olympics held in Montreal, Quebec, Canada in the 100 metres, winning a bronze medal behind teammate Annegret Richter and East German Renate Stecher. She place 5th in the 200 meter final, where the top 5 women were German. She then joined with Annegret and fellow West Germans Elvira Possekel and Annegret Kroniger in the 4 × 100 m relay, where they won the silver medal behind the East Germans in 42.59 to 42.55.
| Women's 100 m World Record Holder
June 13, 1976 – July 25, 1976
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