The document promotes the Airtel Delhi Half Marathon 2011, which will take place on November 27th, 2011. It encourages running to support the nonprofit organization Sukarya, which works to improve healthcare access for underprivileged communities in India. Key details include the distances for the half marathon, 6km, 4.3km, and wheelchair events, as well as categories for high-fundraising individuals and teams. The event aims to support Sukarya's work empowering women and children's health.