The Mumbai Walkathon will be flagged off at Jamnabai Narsee School Ground and will take participants past Amitabh Bachchan's residence, leading to Juhu Beach and back. Walkers can choose from three categories: 10km Pro Walk (registration fee Rs 999), 5km Family Walk (registration fee 899), and 3km Fun Walk (registration fee 799), as per a press release from Mumbai Walkathon 2025.