Half Marathon events in London

Show all
  1. Home
  2. Running
  3. Half Marathon

What you need to know about Half Marathon Running

At 13.1 miles, a half marathon is long enough to test even the strongest runners, but short enough for almost anyone determined to conquer their next challenge. We have a jam-packed calendar of half marathons taking place up and down the country — from big ballot events to local community races and spectacular trail runs. Get involved and conquer your next challenge.

Find local Half Marathon running races

A half marathon is a fantastic event for those new to running to really push themselves, or as a great warm up event for those ready to tackle a full marathon or even an ultramarathon

What is the distance covered in half marathon?
The half marathon is one of running`s most popular distance - a half marathon is 13.1 miles (or 21.1km).
What is an average time for a half marathon?
Breaking 2:00 (9:09 per mile pace) is a common goal, and that time is considered a respectable half marathon time among runners. The average times for half marathons in the U.S. in 2015 were 2:04:00 for males and 2:22:21 for females.
What is the half marathon world record?
The world record for men is 58:23 for men and 1:04:52 for women.
How long does it take to train for a half marathon?
If you are working with a training plan you can achieve a half marathon in 8 weeks.

Trending Half Marathon events in London

43 results
Official Partner

A scenic summer run starting near the Reigate Hill Car Park in a small field adjacent to the North Downs Way. The course will follow the North Downs Way trail on an out / back route all the way to the Boxhill lookout point, the course will be one out and back lap for the half marathon and two out and back laps for the marathon.The trail is undulating and varied throughout with some lovely scenery along the way too. Course conditions and the weather at this time of the year can be warm so this will be a challenging trail run, with a unique horse brass medal to reward all finishers.

North Downs Way Marathon & Half Marathon

Reigate, GB
North Downs Way Marathon & Half Marathon
Charity Tickets

We are pleased to announce that the Festival of Endurance will return in 2018, 8th July.

Due to popular demand, the Hever Gauntlet half-iron triathlon will be held bi-annually giving triathletes the option to race alongside the full iron-distance Bastion competitors on 8th July 2018. Whilst these hardy triathletes battle their way around this iconic course, we shall host a further three challenges for those looking for an opportunity to go long.

The Festival of Endurance at Hever Castle

Hever, Kent, GB
The Festival of Endurance at Hever Castle
Official Partner

Run this gloriously scenic, flat, multi-terrain, point-to-point half marathon along the Thames towpath. Mainly traffic free.

Run in reverse directions each year; this year it is "Up Flow" therefore starting in Windsor and finishing in Marlow, taking in Bourne End, Cookham & Maidenhead along the way.

As this is a point-to-point race, you can park at the finish in Windsor and take the coach provided to the start - once you've finished the race your car will be there waiting for you! Spectator friendly route and finish area with refreshments, so bring the family!

Starts: Alexandra Gardens, Barry Ave, Windsor, SL4 3HY
Finishes: Riverwoods Drive, Marlow, Bucks, SL7 1QU

Up Flow Down Tow Half Marathon

Windsor, Windsor and Maidenhead, GB
Up Flow Down Tow Half Marathon
Official Partner

The fourth staging of The Twilight Ultra takes place at the Redbridge Cycle Centre in East London after another successful year in 2017.

The secure, traffic-free, undulating, tarmac route sees runners covering laps of the cycle circuit and finishing on what will, hopefully, be a balmy summers evening.

With good parking and spectating facilities, the event features a choice of three distances with start times varying according to the distance you select. Aim high and select the ultra distance and you can always step down to a shorter distance.

Runners will be able to take advantage of well-stocked aid stations on each lap with the availability of hot and cold food and drink.

Twilight Ultra Run, Marathon & Half Marathon

Ilford, GB
Twilight Ultra Run, Marathon & Half Marathon
Official Partner

A choice of two Summer runs starting and finishing at the YMCA Hawker Centre (Kingston), proceeding towards the Thames Path on an out and back flat and fast scenic riverside route that is very well marked and marshalled all the way along. Both the half marathon and the marathon courses are both at and fast so were expecting some great PBs.

Thames Meander Marathon & Half – Summer

Kingston upon Thames, GB
Thames Meander Marathon & Half – Summer
Charity Tickets

Saturday 15th September 2018: Kew Gardens 10k (All inside Kew Gardens)
Sunday 16th September 2018: Richmond Marathon and Half Marathon

Take on one of London's most exclusive runs - passing through leafy Kew Gardens and alongside the beautiful river Thames. Join our team for this autumn riverside run and help fund our life-saving heart research.

This is the only time you can ever run in the World Heritage Site, Kew Gardens! London's most exclusive race starts inside Kew Gardens and finishes in an all-day family festival in Old Deer Park.

The Borough of Richmond Upon Thames is the most uniquely beautiful part of London given its essential character, history, significance, and its gifts of nature. It is only right that Richmond Upon Thames should have a unique day to celebrate all the wonders this borough has to offer.

Richmond Running Festival

Richmond, GB
Richmond Running Festival
Official Partner

The race starts and finishes at The Barn Elms Sports Centre in Barnes, London situated on the backdrop River Thames.
Make sure you dont miss this opportunity of running through the streets of Putney & Fulham. The race start is 09:00 and is very accessible by car (car park onsite -first come first served basis) and public transport. The race has a great vibe and well supported by some local organizations.

All runners will receive a medal for finishing as well as loads of goodies at the finish including water, juices, fruit and a chocolate bar! We use the latest Chip Timing technology so you will get an accurate finishing time. The results are posted as soon as you cross the finish line! We will have a free baggage drop facility for you to use. This area will be cordoned off but we do advise against storing any valuables as we cant be held responsible.

RunUK Putney & Fulham Half Marathon

London, GB
RunUK Putney & Fulham Half Marathon
Official Partner

Due to demand & following the hugely successful Royal Windsor Marathon and Half Marathon River Trail Run, we are excited to announce the NEW Windsor Marathon Half Marathon River Trail Run taking place this October!

This awesome event takes place in an iconic setting. Runners will pass the historical sites of Windsor, Boveney Lock, Bray, Dorney, Maidenhead and Eton, finishing with Windsor Castle in front of you!

Windsor Marathon & Half Marathon River Trail Run

Windsor, Windsor and Maidenhead, GB
Windsor Marathon & Half Marathon River Trail Run
Charity Tickets

PUBLIC BALLOT NOW CLOSED - charity tickets still available.

A stunning 13.1 mile scenic route, the Royal Parks Foundation Half Marathon winds through four Royal Parks in all their autumnal splendour (Hyde Park, Kensington Gardens, St Jamess Park and Green Park); and takes runners past some of the Capitals most historic landmarks including Buckingham Palace, the London Eye, Houses of Parliament and Royal Albert Hall.

Tickets are not currently available for this event, sign up to the Royal Parks Half Marathon newsletter on the official event website to be the first to hear about registration for the 2018 event, or resister interest for a charity place.

Royal Parks Half Marathon

London, GB
Royal Parks Half Marathon
Official Partner

If you want to get a personal best Half Marathon this should be the one - it is the flattest course in the UK!

The race takes place on very flat, smooth tarmac roads and paths - completely traffic free, comprising of 4.5 loops of scenic Dorney Lake. Chip timing will be in operation for accurate splits and finish times.

Arrival from 11:30am
All distances will start together @ 12:30pm

Windsor Autumn Half Marathon

Windsor, GB
Windsor Autumn Half Marathon
Official Partner

Welcome to the Wimbledon Half Marathon & 10K The race starts and finishes at the glorious and famous Wimbledon Common next to the Rushmere Pond in SW19. Make sure you dont miss this opportunity of running through the streets of Wimbledon. The race start is 09:00 and is very accessible by car and public transport

The race has a great vibe and well supported by some local organisations. All runners will receive a medal for finishing as well as loads of goodies at the finish including water, juices, fruit and a chocolate bar!

We use the latest Chip Timing technology so you will get an accurate finishing time. The results are posted as soon as you cross the finish line! We will have a free baggage drop facility for you to use. This area will be cordoned off but we do advise against storing any valuables as we cant be held responsible.

RunUK Wimbledon Half Marathon & 10K

London, GB
RunUK Wimbledon Half Marathon & 10K
Official Partner

A choice of two Winter runs through the scenic Richmond Park, meandering along the Thames Path on an out and back, well marked, mostly riverside route. Both runs are moderately undulating and start and finish at Marymount School in Kingston Upon Thames.

Thames Meander Marathon & Half – Winter

Kingston upon Thames, GB
Thames Meander Marathon & Half – Winter

Why Book Through Let’s Do This?

All events with
Official Partner
badge are available for perks
Cancellation ProtectionIf you need to withdraw due to injury or the race is cancelled we’ll refund your ticket
Best Price GuaranteeIf you find this ticket cheaper elsewhere we’ll refund the difference
True SupportWe support you 1–1, just get in touch