Tcs London Marathon 2024 App. The official tcs london marathon app, with all its fantastic features, is your perfect companion to the 2024 tcs london marathon on sunday 21 april. Hit “add participant” to follow them around the course map on the day.

The official tcs london marathon app, powered by new title partner tata consultancy services (tcs), is available to download on all devices from today. ‎the official tcs london marathon app, with all its fantastic features, is your perfect companion to the 2022 tcs london marathon on sunday 2 october.