Boston Marathon Kipyokei’s urine sample after winning in Boston in October 2021 had traces of triamcinolone acetonide. Diana Kipyokei had traces of triamcinolone acetonide in her system. Erin Clark/Globe Staff Kenyan marathoner Diana Kipyokei has been banned for six years and stripped of her 2021 Boston Marathon title for doping and tampering, the Athletics Integrity Unit […]