The Big Half
London’s community-focused half starts beside Tower Bridge, crosses four boroughs and finishes at the Cutty Sark in Greenwich on a mostly flat route.
Quick facts
- Point-to-point route from Tower Bridge to the Cutty Sark.
- Fast, mostly flat course with about 218 feet of climbing.
- Four-hour cutoff with pacers across a wide range of finish times.
- General entry sells out; charity places are the main late-entry path.
About the Big Half
Run by London Marathon Events, The Big Half pairs a large city-race field with a deliberate focus on London’s running communities. General entry fills quickly, with charity places providing the main route in once standard entries close.
Course
The point-to-point road course starts next to Tower Bridge and finishes at the Cutty Sark in Greenwich. It is fast and broadly flat, with about 218 feet of elevation gain across Tower Hamlets, Southwark, Lewisham and Greenwich.
Race-day weather
Early September in London is often mild, but the race can still feel warm or humid once the sun is up. Exposed river sections may also add a light headwind.
Past Big Half dates and results
| Year | Date | Status | Results |
|---|---|---|---|
| 2026 | Sunday, September 6, 2026 | Upcoming | — |
| 2025 | Sunday, September 7, 2025 | Completed | Open results |
| 2024 | Sunday, September 1, 2024 | Completed | Open results |
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The Big Half FAQ
When is The Big Half?
The 2026 Big Half is on Sunday, September 6, 2026.
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