London Docklands
London is usually mild, but rain, wind and urban heat can all affect race-day comfort.
Typical race window
Climate normals are temporarily unavailable. Use the swim, bike and run notes below as the evergreen course-weather read, then build a race-day forecast once your date enters the live forecast window.
Dock swimming is sheltered from surf but depends on water quality and local event guidance.
Wet roads and gusts are more important than extreme temperatures.
The run is typically manageable, with humidity and rain risk the main variables.
Live race-day forecast
This race page stays evergreen. For date, start time and expected segment durations, open the race-day planner with London Docklands prefilled.