In 1993 he tested positive for a banned steroid Metandienone, together with his teammates Franz Ratzenberger, Thomas Renner, and Andreas Berger, and was subsequently banned from competition for two years.
|1992||Olympic Games||Barcelona, Spain||11th||Decathlon|
- Gernot Kellermayr at World Athletics
- Evans, Hilary; Gjerde, Arild; Heijmans, Jeroen; Mallon, Bill; et al. "Gernot Kellermayr". Olympics at Sports-Reference.com. Sports Reference LLC. Archived from the original on 2012-12-13.