Updated On: 11 September, 2025 09:10 AM IST | Mumbai | Devashish Kamble
Sign up for a preparatory year-end running challenge that will pit you against fitness enthusiasts from across Mumbai, leading up to the 2026 Mumbai Marathon

Members of the running club during a previous challenge; PICS COURTESY/KDR
Being an athlete in the financial capital means fitness goals and Excel sheets inadvertently cross paths at some point along the way. “We would manually enter data from each runner into the sheet to keep track of who was leading our pre-marathon running challenges. It was primitive, and undoubtedly an ordeal,” recalls Suraj Shetty of the Kalyan Dombivli Runners (KDR) group. Ahead of the 2026 Tata Mumbai Marathon (TMM), the club has an ‘app’solutely ingenious prospect: Lace up your running shoes, log into an app, and let the tech decide how well you’re training for the big day.

A section of the under-redevelopment app