Races 10K · London, UK
Clapham Common 10K
Clapham Common 10K is a flat 10K in London, UK, held each September. A course on the flat paths of Clapham Common, with each kilometre marked by distance flags. The organiser describes the terrain as flat and the event is tagged as road. Late September in south London is mild, typically 10 to 18°C, with a chance of showers. On a course as flat as Clapham Common 10K, even splits are everything; the classic mistake is banking time in the first third.
Page rebuilt 2026-11-14 · race facts not independently verified — confirm dates and entries on the official race site
When
September
next: Sunday 26 September 2027
Course
flat
10K
Conditions
Late September in south London is mild, typically 10 to 18°C, with a chance of showers.
Racing this course well
A course on the flat paths of Clapham Common, with each kilometre marked by distance flags. The organiser describes the terrain as flat and the event is tagged as road.
On a course as flat as Clapham Common 10K, even splits are everything; the classic mistake is banking time in the first third.
Getting a place
- How you get in
- Open entry: first come, first served
Official Clapham Common 10K site →Checked November 2026
Race day
- Next race
- Sunday 26 September 2027
- Also on the day
- half-marathon, 5k
The course in numbers
- Layout
- Loop
- Surface
- Paths on the common
Worth knowing
- The 10k, 5k and half marathon are held together on the same day.
- Each finisher receives a themed medal.
Pick your goal for London
Pace charts, weekly structure and timelines for the most common 10K goals:
The date shown is the one the organiser has announced. Change it if yours differs.
Build your training around Clapham Common 10K.
RunV works backwards from race day to today. Your plan adapts when life interrupts, and you approve every change. It does not adapt to this specific course — the pacing guidance above is where the course knowledge is.
Everything above stays free and complete — this is an optional next step, not a paywall.
Asked often
- When is the Clapham Common 10K?
- The next Clapham Common 10K is on Sunday 26 September 2027 in London, UK. It is held each September.
- Is the Clapham Common 10K course flat?
- A course on the flat paths of Clapham Common, with each kilometre marked by distance flags. The organiser describes the terrain as flat and the event is tagged as road.
- How do I enter the Clapham Common 10K?
- Open entry: first come, first served.
- How should I train for the Clapham Common 10K?
- Train specifically for London — terrain, conditions, goal pace — and let the plan flex around real life. With RunV Premium you can adapt your plan to fit your week.
Not sure what to target? Predict your 10K time from a recent race →
More 10K races
Supplements research for this distance
Build for London — around your actual life
RunV engineers your block backwards from race day in September — and adapts it when training doesn't go to script. You approve every change.
