The 2027 TCS London Marathon promises to be an unforgettable journey through the vibrant streets of one of the world's most iconic cities. Set for April 23, 2027, this annual race attracts runners from around the globe with its rich history and scenic course that showcases some of London’s most celebrated landmarks. Runners will start in Blackheath Park and make their way through historic Greenwich before crossing Tower Bridge and passing along The Mall. As participants weave past Buckingham Palace and continue towards Westminster Abbey and Big Ben, they are treated to a panoramic view of the city's historical architecture and bustling energy. The marathon concludes on The Strand with an exhilarating finish line at The Mall outside Buckingham Palace Gardens. This route not only challenges runners physically but also immerses them in London’s cultural heritage. Alongside the main event, Friday Night Lights offers participants the opportunity to experience a unique pre-race atmosphere as they run through parts of central London under the stars. The TCS London Marathon is more than just a race; it's an immersive celebration of sport and community, with thousands cheering on runners at every turn. Whether you are looking for personal bests or simply enjoying the journey, this marathon offers an unforgettable experience for all levels of runner. Participants can also look forward to post-race festivities that include live music, food stalls, and a warm welcome from fellow athletes and spectators alike. The event is renowned not only for its challenging course but also for its supportive community spirit, making it a must-run destination on any marathon enthusiast's list.
Races Offered
TCS London Marathon & Friday Night Lights 5K
Apr 23, 2027
straighten
Distance —
5K
terrain
Type —
Running
timer
18:45
sell
£45.00
Weather History
These values represent the 3-year monthly averages for April in London.
thermostatTemperature
6.3° / 14.8°
wb_sunnyFeels like
2.5° / 10.4°
light_mode
Avg sunshine hours
9h 19m
water_drop
Avg rainfall
1.8 mm
ac_unit
Avg snowfall
—
air
Avg wind speed
14.2 km/h (Gentle breeze)
opacity
Sweat loss rate
Low
terrain
Course conditions
Firm and slightly soft
sunny
Max UV Index
Moderate (3.5)
humidity_mid
Humidity
71.1%
wb_twilight
Sunrise
06:03
nightlight
Sunset
19:57
About London
Learn more about the host city, London.
London is the capital and largest city of England and the United Kingdom, with a population of 9.14 million people in 2025. Its wider metropolitan area is the largest in Western Europe, with a population of 15.4 million. London stands on the River Thames in southeast England, at the head of a 50-mile (80 km) tidal estuary down to the North Sea, and has been a major settlement for nearly 2,000 years. Its ancient core and financial centre, the City of London, was founded by the Romans as Londinium and has retained its medieval boundaries. The City of Westminster, to the west of the City of London, has been the site of the national government and parliament for centuries. London grew rapidly in the 19th century, becoming the world's largest city at the time. Since the 19th century the name "London" has referred to the metropolis around the City of London, historically split among the counties of Middlesex, Essex, Surrey, Kent and Hertfordshire. Since 1965 it has largely comprised the administrative area of Greater London, governed by 33 local authorities and the Greater London Authority.
