If you’re a participant, you can scan your bib number using the Official TCS London Marathon App, powered by TCS, to reveal an inspirational message that will get you excited to take on 26.2 miles together!

Send a Belief Booster

If you know someone who is taking part in the mass event, you can also use the Official TCS London Marathon App to send them a motivational Belief Booster. Simply type out your Belief Booster message of support and, if approved, it will appear on a Big Screen at the Halfway point and on the Finish Gantry on The Mall.

Supporters can also use the Official TCS London Marathon App to:

• follow participants’ progress
• keep up-to-date with the Elite Leaderboard
• and find out results.

Meanwhile, if you’re a participant, you can use the Official TCS London Marathon App to:

• record your 26.2 miles
• track other participants (and invite friends and family to track them too!)
• listen to an inspiring soundtrack
• take selfies to post on social media
• find expert tips and advice
• and much more!

Support your chosen charity

If you're a participant who has signed up on our official fundraising platform, your supporters can donate to your chosen charity via the Official TCS London Marathon App while they cheer you on. A ‘Donate’ button will appear on your tracking page, making it even easier for family and friends to give towards your special cause!

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