Indian ultra-marathon runner Samir Singh sweating-it-out during his mission 10,000. By Daily Excelsior - August 9, 2017 Share FacebookTwitterWhatsAppPinterestLinkedinTelegramEmailTumblrReddItPrint Indian ultra-marathon runner Samir Singh sweating-it-out during his mission 10,000. Indian ultra-marathon runner Samir Singh sweating-it-out during his mission 10,000. Follow our WhatsApp channel