London Half Marathon Running Events

Take on a London half marathon with RunThrough. Known for its scale and atmosphere, the capital offers a rewarding endurance challenge across varied and well-established race settings.

Browse upcoming events and start planning your next race.

Getting Ready for a London Half Marathon

Building Endurance

Preparing for a London half marathon centres on building endurance and managing effort over longer runs. As part of the wider London running events calendar, these races give runners a clear structure to train towards throughout the year. Most runners focus on steady mileage and consistent pacing in the lead-up to race day, often progressing from shorter distances such as a London 5K or 10K.

Once entered, you’ll receive clear pre-race information covering timings, locations, and key details, with final instructions shared closer to the event.

On the Day

Events are designed to support runners across the full course, with clearly marked routes and on-course support throughout.

Most include chip timing, multiple water or refreshment stations, and a finisher reward at the end, helping you stay on track from start to finish.

Why Run a London Half Marathon

London offers a unique setting for longer-distance events, combining scale, atmosphere, and well-established race locations. Runners can experience a variety of environments while staying focused throughout the event.

The half marathon is often chosen as a milestone race or as a step up from shorter distances, helping runners build endurance and confidence over time.

London Half Marathon Courses & Locations

London half marathon events use a mix of parkland routes and open city spaces, with courses designed to support a consistent effort throughout. Routes may include well-known venues like Battersea Park, Wimbledon Common and Dorney Lake, alongside other established locations across the capital, with layouts planned for smooth race-day flow from start to finish.

Find Your Next London Half Marathon

Browse upcoming events below, including half marathon runs in and near London, to view dates, locations, and race details. You can also explore all London running events to discover other distances across the city.