![There Have Been 121 Positive Doping Tests and Counting From 2012 Olympics There Have Been 121 Positive Doping Tests and Counting From 2012 Olympics](https://www.si.com/.image/c_fill,w_1080,ar_16:9,f_auto,q_auto,g_auto/MTY4MDA3OTU0NTEwNTIxNzI4/olympic-stadium-london-2012jpg.jpg)
![Michael Shapiro and Chris Chavez Michael Shapiro and Chris Chavez](https://images2.minutemediacdn.com/image/upload/c_fill,w_180,ar_1:1,f_auto,q_auto,g_auto/shape/cover/entertainment/mm-user-avatar-male-c5a9b6db28d293c7381495271bdda4ad.png)
Michael Shapiro and Chris Chavez
Joined: Jun 17, 2015
An avid runner, Chris Chavez covers track and field, marathons and the Olympics for Sports Illustrated.
![There Have Been 121 Positive Doping Tests and Counting From 2012 Olympics There Have Been 121 Positive Doping Tests and Counting From 2012 Olympics](https://www.si.com/.image/c_fill,w_1080,ar_16:9,f_auto,q_auto,g_auto/MTY4MDA3OTU0NTEwNTIxNzI4/olympic-stadium-london-2012jpg.jpg)
An avid runner, Chris Chavez covers track and field, marathons and the Olympics for Sports Illustrated.