Run Dorney Lake Half Marathon course.

The half marathon course for 2026 (8 Nov 2026): flat, laps.

Half Marathon

Distance
21.1
kilometers
Climb
—
not published
Descent
—
not published
Profile
Flat
PB territory
Layout
Laps
Road
Time limit
—
not published
Start
TBC
not published

Racing it

Pro tips

  1. 01

    Even pacing on flat laps

    The course is flat and runs on smooth tarmac around Dorney Lake in laps. With no hills to break rhythm, aim for consistent splits each lap.

    From the elevation profile, layout, description

  2. 02

    Dress for 9.9°C

    Typical race-day temperature is 9.9°C. Plan for cool November conditions in Windsor; layers you can shed are best.

    From the temperature

  3. 03

    Expect multiple laps

    The layout is laps around the lake perimeter. Spectators can cheer you from the same spot each lap, so pick a meeting point.

    From the layout, description

  4. 04

    Finish line recovery

    After crossing, there are snacks and drinks plus a podium for finisher photos. Results are posted within hours, so check before leaving.

    From the description

  5. 05

    Olympic venue inspiration

    The course hosted 30 events in London 2012, with Team GB winning 12 medals. Soak up the atmosphere and use it to push for a personal best.

    From the description

Written by AI from the course data. Check race-day details with the organizer.

Course on the 2026 race page Dates and entry Race-day weather

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