Over 200 Noidawallahs participated in a promo run event of Noidathon held in the city recently. The 10 kilomete-run started from a mall in Sector 25 and ended with a plantation drive in Noida stadium. According to the organisers, the aim of the event was to promote environmental sustainability, greenery and healthy lifestyle in Noida. All participants took a pledge of making Noida green and clean.