Half marathon and relay through 4 London boroughs on both banks of the River Thames, 2.3mi race and entertaining run in Greenwich Park


In brief

The marker on the map indicates the city in which the race takes place and does not display the exact start or finish location.

25 April 2021 (Sunday)
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Number of participants: 19.000,
half marathon 2020 — 15.986
Course Record: 1:00:22 (half marathon) Kenenisa Bekele, Ethiopia, 2020
Entry fee:
€51 (£46) half marathon

The London Half Marathon is an annual long-distance running event held in London, United Kingdom. The official name of the event is The Vitality Big Half. About 19.000 athletes take part in half marathon race and other competitions (15.986 completed half marathon in 2020).

The London Marathon (Virgin Money London Marathon) is held in October.

More about London and its attractions you may find here.

London Half Marathon (The Vitality Big Half) 2020

Events and activities

Half Marathon race, 13.1mi/21.097km (The Vitality Big Half)

The half marathon race of 13.1mi/21.097km starts at 9:00 25 April 2021 (Sunday) near Tower Bridge from 2 starting zones: orange and green. The orange start line is on Tower Bridge Road and Tooley Street. The green start line is on Tower Hill.

Age limit: at least 17 years old on race day.

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The course of the London Half Marathon (The Vitality Big Half) 2021 tracks through 4 London boroughs: Southwark, Tower Hamlets, Lewisham and Greenwich, on both banks of the River Thames. The runners cross the Thames over Tower Bridge.

Course of the London Half Marathon (The Vitality Big Half) 2021

Course of the London Half Marathon (The Vitality Big Half) 2021

The start of the London Half Marathon (The Vitality Big Half) 2021 is near Tower Bridge, there are 2 starting zones: orange and green. The orange start line is on Tower Bridge Road and Tooley Street. The green start line is on Tower Hill.

The finish is on the opposite bank of the Thames, by Cutty Sark (King William Walk, London SE10 9HT), a museum ship in a custom-built dry dock at Greenwich.

You may find the official course map of the London Half Marathon (The Vitality Big Half) 2021 here.

The London Half Marathon (The Vitality Big Half) 2021 participants are divided into starting blocks and waves according to the results of the previous races. The starting block is indicated on the bib number.

The pace makers of the London Half Marathon (The Vitality Big Half) 2021 provide the necessary pace in order to finish within a certain time. The pace makers can be recognized by flags marked with the corresponding finish time. Target times for half marathon are 1:30, 1:45, 2:00, 2:15, 2:30, 2:45, 3:00, 3:15, 3:30 hours.

4 water and nutrition stations are located on the half marathon route. The stations provide runners with water, isotonic drink.

Before the start you may leave your personal belongings in the tracks near the start zone. The stuff must be packed in a deposit bag (it is included in your Race Pack along with your bib number and a sticker). The bag is to be marked with the sticker that has your race number on it. The bags are transported to the finish area.


You may sign up for races of the London Half Marathon (The Vitality Big Half) 2021 online.

The online registration is open till the slots last.

The entry fee for the London Half Marathon (The Vitality Big Half) 2021 is €51 (£46).

There are special discounted rates for residents of the four host London boroughs.

If the race is postponed or cancelled for any reason participants will be refunded 100% of the entry fee.

The time is measured by multiuse electronic chip which is fixed on the shoe. If you don’t return the chip in 30 days after the race you will be charged additional €11 (£10).

Your Half Marathon Race Entry includes:

  • Bib number and time measuring chip
  • Goody bag
  • Race T-shirt
  • Bag deposit and transfer from start to finish
  • Food and beverages stations, toilets along the course and after the race
  • Pace maker service
  • Music and performance groups along the course
  • Finisher medal
  • Changing facilities
  • Recovery massage on first-come, first-served basis
  • Online race results
  • Digital race diploma with indicated finish time
  • Medical aid if necessary

Instructions, explaining how to collect your Race Pack with your bib number, will be emailed to you.

No health certificate is required to enter any race of the London Half Marathon (The Vitality Big Half) 2021.

Race Results 2020*

Men (half marathon)
1. Kenenisa Bekele (ETH) 01:00:22
2. Chris Thompson (GBR) 01:01:07
3. Jake Smith (GBR) 01:02:00

Women (half marathon)
1. Lily Partridge (GBR) 01:08:20
2. Samantha Harrison (GBR) 01:08:20
3. Stephanie Davis (GBR) 01:08:24

* Source: mikatiming.com

Find your result and the results of your friends and companions here.

Contact Information and Links

Organizer’s address:
London Marathon Events
190 Great Dover Street,
London, England, SE1 4YB
United Kingdom
tel. +44 20 7902 0200

Social media:

* The race information is from publicly available sources and the official website of the event. Always check the official website for the most up-to-date information. If you see any mistake, please write to admin@letsportpeople.com.

Weather during Previous Races

Date: 1 March 2020
Clear throughout the day.
Temperature: 5°C – 11°C (41°F – 52°F)
Wind: 25 km/h (16 mph)
Date: 10 March 2019
Mostly cloudy throughout the day.
Temperature: 3°C – 11°C (38°F – 51°F)
Wind: 43 km/h (27 mph)
Date: 4 March 2018
Foggy overnight and in the morning.
Temperature: 3°C – 9°C (37°F – 48°F)
Wind: 9 km/h (6 mph)

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Flights to London

From your nearest airport (based on your IP):

Prices are for round trip flights 23 April 2021 — 26 April 2021. Price information is automatically renewed. You may check flight prices for other dates here or use the search form in the right upper column (desktop).

You may use public transport, taxi, or preordered transfer from London Heathrow (LHR) airport, preordered transfer from London City (LCY) airport, preordered transfer from London Luton (LTN) airport, preordered transfer from London Gatwick (LGW) airport, preordered transfer from London Stansted (STN) airport to get to London or back.

If over the past 6 years your flight within European Union, Turkey or to these countries was delayed for more than 3 hours or cancelled, if you missed a connection flight because of delay, if you were denied boarding because of overbooking you are eligible for compensation of 125—600 € according to European Commission Regulation 261/2004 and Turkish Regulation On Air Passenger Rights. You may check your case for free here, it takes 2 minutes. No fee is charged until the compensation is paid.


Race participants are fully responsible for their life, health and any consequence that may result from running a distance. Keep in mind that ordinary health insurance does not cover participation in sport events. Special sport insurance is preferable.

Accommodation in London

Find a hotel via online service that compares the most popular booking websites to get the best deal for your dates.

Have a look at what locals offer for a short-term rent. Such option may be cheaper, more comfortable and with better location than a hotel. You may book a room, an apartment or a house via airbnb.

Hotels in London:
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Tours and Excursions

Other Races in April 2021

M — Marathon, 42.195 km
H — Half Marathon, 21.097 km

The headline image is taken from pixabay.com in accordance with Pixabay License. The image may not illustrate any part of the event course.

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