USADA ends Tom Zirbel's suspension early

Tom Zirbel rides in the Tour de Gruene, a non-sanctioned event.

Tom Zirbel rides in the Tour de Gruene, a non-sanctioned event. (Image credit: John Pierce/Photosport International)

The US Anti-Doping Agency (USADA) has reduced Tom Zirbel's two-year suspension by six months having ended his sanction on March 21, 2011. According to Zirbel, his sanctioning was reduced because he aided the agency in two separate anti-doping cases.

Kirsten Frattini
Deputy Editor

Kirsten Frattini is the Deputy Editor of Cyclingnews, overseeing the global racing content plan.

Kirsten has a background in Kinesiology and Health Science. She has been involved in cycling from the community and grassroots level to professional cycling's biggest races, reporting on the WorldTour, Spring Classics, Tours de France, World Championships and Olympic Games.

She began her sports journalism career with Cyclingnews as a North American Correspondent in 2006. In 2018, Kirsten became Women's Editor – overseeing the content strategy, race coverage and growth of women's professional cycling – before becoming Deputy Editor in 2023.