London 10K

London, UK, England · July 11, 2027

63°·65° high·Breezy·Dry

Weather

London 10K race day weather

63°at start

69° high

Breezy

Dry

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Mild start, slight wind factor

Runners will face temperatures starting at 63°F, rising to 65°F by race end. With a light west wind peaking at 9 mph, runners should be aware of occasional gusts. Humidity is moderate at 68%, so starting conservatively is advisable to manage heat. No rain is expected, but a throwaway layer may be useful pre-race.

Race day forecast available in 228 days

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Distance: 6.2mi

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About the London 10K

The London 10K is an annual 10-kilometer road race held each July through central London on closed roads. The course starts on Piccadilly and finishes on Whitehall, passing Piccadilly Circus, Trafalgar Square, Big Ben, the London Eye, and Buckingham Palace. First run in 2005, the race draws around 20,000 entrants.

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Course Map

London 10K FAQ

When is the 2027 London 10K?

The 2027 London 10K will be held on Sunday July 11, 2027.

What is the time limit for the London 10K?

The time limit for the London 10K is 2.75 hours.

What will the weather be like for the 2027 London 10K?

The forecast calls for a high of 71°F and a low of 56°F with a 9% chance of rain.

What is the weather usually like for the London 10K?

Over the 21 years racecast.io has race-day weather for (2005 to 2026), it averaged 65°F at the start and 67°F by a typical finish. It has not rained during race hours in any of those years.

What was the hottest London 10K?

Of the 21 years on record, 2013 was the warmest, reaching 75°F during race hours. The coldest start was 2008, at 59°F.

What was the windiest London 10K?

Of the 21 years on record, 2008 was the windiest, with wind averaging 16 mph during race hours. The calmest was 2018, at 3 mph.

London 10K weather history

Based on 21 years of data

Avg Temp

66°F

L:65° H:67°

RunScore

Conditions

Rain Freq

0 of 21 yrs

Wind8mph

Dew57°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Low / High	Rain	Dew Point
2026 London 10K Clearing in the afternoon. 2026	67°/72°	-	59°
2025 London 10K Clearing in the afternoon. 2025	64°/65°	-	58°
2024 London 10K Partly cloudy throughout the day. 2024	62°/66°	-	52°
2023 London 10K Partly cloudy throughout the day. 2023	73°/75°	-	61°
2022 London 10K Clear conditions throughout the day. 2022	68°/71°	-	53°
2021 London 10K Partly cloudy throughout the day with late afternoon rain. 2021	65°/65°	-	60°
2020 London 10K Partly cloudy throughout the day. 2020	66°/67°	-	54°
2019 London 10K Partly cloudy throughout the day. 2019	64°/68°	-	55°
2018 London 10K Clear conditions throughout the day. 2018	72°/75°	-	54°
2017 London 10K Partly cloudy throughout the day. 2017	70°/72°	-	57°
2016 London 10K Partly cloudy throughout the day. 2016	65°/66°	-	60°
2015 London 10K Partly cloudy throughout the day with rain. 2015	64°/67°	-	56°
2014 London 10K Partly cloudy throughout the day with a chance of rain throughout the day. 2014	64°/67°	-	62°
2013 London 10K Partly cloudy throughout the day. 2013	71°/75°	-	61°
2012 London 10K Partly cloudy throughout the day with a chance of rain throughout the day. 2012	59°/60°	-	58°
2011 London 10K Partly cloudy throughout the day. 2011	61°/64°	-	54°
2010 London 10K Partly cloudy throughout the day. 2010	70°/72°	-	61°
2009 London 10K Partly cloudy throughout the day with early morning rain. 2009	63°/65°	-	56°
2008 London 10K Partly cloudy throughout the day with rain. 2008	59°/60°	-	52°
2007 London 10K Partly cloudy throughout the day with a chance of rain throughout the day. 2007	59°/60°	-	57°
2005 London 10K Partly cloudy throughout the day. 2005	64°/64°	-	55°

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