← All races
🏟️ Big eventroute
Cardiff Half Marathon
📅 October 4, 2026📍 Cardiff · United Kingdom👥 ~25,000 runners
About
Cardiff Half Marathon in early October, one of the UK's largest half marathons. ~25,000 runners through the Welsh capital.
Prepare for Cardiff Half Marathon with RunRun
An AI-generated training plan, adjusted every week based on your real sessions. Built around your goal, current level and race date.
- Personalized plan based on your VO2max, history and weekly availability
- Strava and Garmin sync: your sessions are analyzed and the plan adapts
- Target paces, long runs, key sessions: everything is calculated for race day
Create my free plan No credit card. Sign up in 30 seconds.