RACE DAY WEATHER UPDATE The forecast for Race Day on Sunday is currently predicted to be one of the hottest London Marathons ever – please read our advice for warm weather running READ MORE
RUNNER INFO Runners must bring their registration email to the Virgin Money London Marathon Expo to collect their running number. Find out what you need to do here FIND OUT MORE
HOW TO FOLLOW THE RACE Make sure you don't miss a thing at the 2018 Virgin Money London Marathon with our how-to-follow guide to all the coverage of the race MORE INFO
The London Marathon is one of the biggest distance-running events in the world, bringing together people of all ages and abilities on one course.
Such an epic 26-mile undertaking means that entrants need all the support they can get, and thanks to advances in technology it's now a great deal easier to track your friends' progress than it was back in 1981, when the Marathon was born.
So whether you're at home, on the go, or spectating around the course, here are a few tips on how to follow your runners throughout the day.
Official app and online tracker
The Virgin Money London Marathon ran its own mobile app for the first time in 2015, to make it easier for friends and family of participants to track the race as it progresses.
The service was available on Android for the first time in 2017, having previously been an iPhone exclusive.
The tracking facility is also accessible via the official website. Timing intervals are every five kilometres and you can search both by a runner's name and their race number.
The app has been redesigned for 2018 and handily includes a list of pubs located along the race route, along with all drink stations and first aid points on an interactive map.
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London Marathon runners were today pounding the streets of the capital in the gruelling 26.2 mile race.
The mass race kicked off at 10 am and temperatures were predicted to reach up to 23C - which could make it the hottest London Marathon on record.
Runners faced uncomfortable conditions, but the sunshine and warm weather was expected to lead to one of the biggest crowds ever turning out to cheer on the 47,000 runners.
Follow our live blog for all the latest updates here.
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