Course & Elevation
The Cardiff Half Marathon is a fast, predominantly flat urban course starting and finishing in Cathays Park. The route takes runners through the city centre, past iconic landmarks including Cardiff Castle, Llandaff Cathedral, and along the scenic Taff Trail, before returning through the historic Bute Park.
Course Facts
📈 Elevation Profile
📊〰️
Interactive elevation chart coming soon
145m total gain • Rolling profile
🗺️ Course Map
🗺️
Interactive course map coming soon
Cardiff, United Kingdom • 21.0975km road
🌤️ Weather on Race Day
🌡️
12°C
Temperature
💧
75%
Humidity
🌧️
65%
Rain Chance
📝
Typical Welsh autumn weather with mild temperatures and moderate rainfall risk. Runners should prepare for potentially damp conditions and layering options, though October is generally more stable than winter months.
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