Harmonie Mutuelle Marathon 10-20K Tours
About This Race
The Harmonie Mutuelle Marathon 10-20K Tours (formerly Marathon Touraine Loire Valley) is a 100% urban marathon through the heart of Tours in the Loire Valley. The 2025 edition attracted a record 17,400 runners across 8 races. The course offers 276m of elevation change through the beautiful city and along the Loire river, crossing the Pont Mirabeau and Pont Napoléon.
The Course
100% urban course through Tours, crossing the Loire on iconic bridges, with stretches along the Loire à Vélo path
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Race Details
Terrain
Road
Elevation
Flat
Participants
17,400 participants
Distances
Marathon, Marathon Duo, 20K, 10K
What to Expect
A fast, urban marathon through one of France's most beautiful Loire Valley cities. Cross the Loire on historic bridges, run past the Château de Tours, and enjoy the enthusiastic crowd support that set records in 2025. The expo and salon weekend make it a true running festival.
Highlights
Race Information
Start Time
08:30
Typical Weather
Late September in Tours: 10-20°C, partly cloudy, generally dry. Ideal marathon conditions.
Established
2010
Tags
Frequently Asked Questions
Quick Info
- September 27, 2026
- Tours · France
- Road course
- Flat elevation
- 17,400 participants
Verified event information
- Last verified 2 days ago
- Data sourced from official website