The Official TCS London Marathon App, with all its fantastic features, is your perfect companion to the 2023 TCS London Marathon on Sunday 23 April.

We recommend that you download and try out the Official App now so you can familiarise yourself with all its special features before the big day.

New for 2023! If you’re a participant, you can scan your bib number using the Official App to reveal an inspirational message that will get you excited to take on 26.2 miles together.

Participants can use the Official App to:
• record their marathon miles
• track other participants (and invite friends and family to track them too!)
• listen to a motivating soundtrack
• take selfies to post on social media
• find expert tips and advice
• and much more.

Supporters can also use the Official App to:
• follow participants’ progress
• check out results
• and send ‘belief booster’ messages of support to chosen participants!

Don’t miss your chance to take advantage of the Official TCS London Marathon App and have the best possible Marathon Day experience.