Obirit's coach, Dathan Ritzenhein, is confident that the Boston and NYC champ is ready to go. "We feel pretty confident that her fitness is the best it’s been for a marathon."
Kenya: Obiri Back to Defend Title As Boston Marathon Announces Field allafrica.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from allafrica.com Daily Mail and Mail on Sunday newspapers.