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London Half Marathons 2027: Race Dates And How To Enter
London’s half marathons take you from the streets of Westminster to the Thames towpath and the Royal Parks. The right race depends on when you want to run, which part of London you’d like to explore and whether you want to book directly or run for charity.
Our London Half Marathons 2027 guide compares seven races in date order, with details on the courses and how to enter. All seven race dates are confirmed, and we’ve flagged where course or entry details are still to come.
London Half Marathons 2027 At A Glance
Race And Date | How To Enter |
Run South London, 14 March | Standard entries sold out. Join the waitlist or apply for a charity place. |
London Landmarks Half Marathon, 4 April | Public ballot closed. Apply through an official charity partner. |
Hackney Half, 16 May | General entry closed. Apply through an official charity partner. |
The Big Half, 5 September | General entry open. Charity places also offered. |
Richmond Run-Fest Half Marathon, 12 September | General entry open. Charity places also offered. |
Shoreditch Half, 19 September | General entry open. Charity places also offered. |
Royal Parks Half Marathon, 10 October | Public ballot due in early 2027. You can register your interest. |
Run South London: 14 March
The first Run South London half marathon starts and finishes in Morden Park in the borough of Merton. The organiser plans to take runners through green spaces and along closed roads, with the full course map still to come.
It’s the earliest race in this guide and gives runners in south London a spring option close to home. Standard entries have sold out, so join the waitlist for the final release or see whether a charity partner has a place.
London Landmarks Half Marathon: 4 April
London Landmarks takes runners through Westminster and into the City of London, where the streets around government buildings give way to the Square Mile. The organiser is still to publish the exact route for 2027.
Choose this one if you want to spend race morning in the heart of the capital, with closed streets and landmarks along the way. The public ballot has closed, so runners who still need a place can apply through an official charity partner.
Hackney Half: 16 May
The Hackney Half follows a flat course on closed roads in east London, with music and local supporters along the way. It’s part of the Hackney Moves weekend, which brings food, live acts and other events to the festival.
Hackney suits runners who want a spring half marathon with plenty for friends and family to do around the race. If you still need a place, look for an opportunity with one of the event’s charity partners.
The Big Half: 5 September
The Big Half starts near Tower Bridge and finishes beside the Cutty Sark in Greenwich. It passes through Tower Hamlets, Southwark, Lewisham and Greenwich, with a different setting at each end of the course.
It’s a good choice if you want an early September road race and the option to book directly. The event also includes the Big Mile, so friends or family can take part over a shorter distance.
Richmond Run-Fest Half Marathon: 12 September
The Richmond half starts inside the Royal Botanic Gardens at Kew and follows stretches of the Thames past landmarks including Ham House and Teddington Lock. It finishes in Old Deer Park, where there’s a festival with live music.
Richmond is a good option if you’d rather spend race morning on riverside paths and in gardens. The weekend also includes a marathon and a 10K, so you can make plans with friends who want to run a different distance.
Run Shoreditch Half: 19 September
The Shoreditch Half starts and finishes in Shoreditch Park. The organiser describes a flat course on closed roads, with live music and cheer zones along the way.
Having the start and finish in the same park makes it easier to arrange where to meet supporters after the race. You can check general entry availability through the organiser.
Royal Parks Half Marathon: 10 October
The Royal Parks Half starts in Hyde Park and combines central London streets with stretches through Kensington Gardens, The Green Park and St James’s Park. It’s a chance to see some of the capital’s best known sights and spend a good part of the run in green space.
An October race gives you the summer to build up to the distance. The public ballot is due to open in early 2027, and you can register your interest with the organiser to hear when it opens.
Run For Charity
If you need a race place, check the event website to see which charities have entries. Before applying, compare the registration fee, minimum fundraising commitment and support each charity offers. If you already have a place through general entry or a ballot, contact a charity you’d like to support and ask how to fundraise with your own entry.
Which London Half Marathon Should You Choose in 2027?
For a first half marathon, think about what will make race morning easier. Shoreditch brings you back to the park where you started, while The Big Half suits runners who want a journey across the city and are happy to make separate plans for the start and finish. Richmond is a good choice if your group wants a choice of distances over the same weekend.
If you want a spring race and are still looking for a place, start with the charities recruiting for London Landmarks and Hackney or join the Run South London waitlist. If you’d prefer more time to train and want a central London course with plenty of green space, Royal Parks is the October option.
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