Half Marathon

The Big Half

London, United Kingdom April 21.0975 km
Flat Fast Scenic Urban Riverside Point to Point Historic Bucket List

Next Race

Apr 20, 2025

Course & Elevation

Starting at Tower Bridge, the iconic route follows the Thames Path westward through central London's most famous landmarks. Runners pass Westminster Abbey, Houses of Parliament, and cross Millennium Bridge before finishing near Tower Bridge again in a stunning riverside setting.

Course Facts

Distance 21.0975 km
Elevation Gain 85 m
Surface road
Profile Flat

📈 Elevation Profile

➡️📊

Interactive elevation chart coming soon

85m total gain • Flat profile

🗺️ Course Map

🗺️

Interactive course map coming soon

London, United Kingdom • 21.0975km road

🌤️ Weather on Race Day

🌡️

13°C

Temperature

💧

65%

Humidity

🌧️

40%

Rain Chance

📝

Spring weather with mild temperatures and occasional rain. Runners should expect cool conditions but generally pleasant running weather typical of London in April.

Get Your Training Plan

Free, personalized for this race

Get race tips & guides in your inbox

Race tips, training guides, and the latest from 500+ races worldwide.