December marks the beginning of the least active quarter of the year. During the next 3 months, less than 40 marathons will be organized each month. This shows this week-end, since only 19 marathons will be organized in 14 different countries.
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Barbados
- Run Barbados Festival Marathon (Sunday)
Cayman Islands
- Cayman Islands Marathon (Sunday)
Costa Rica
- Costa Rica International Marathon (Sunday)
Germany
- Bad Arolser-Advent-Waldmarathon (Saturday)
Italy
- Milano City Marathon (Sunday)
Jamaica
- Reggae Marathon (Saturday)
Japan
- Fukuoka Marathon (Sunday)
Macau
Mexico
- Gran Maraton Pacifico (Sunday)
Portugal
- Maratona de Lisboa (Sunday)
Singapore
Spain
- Ciudad de Arrecife Marathon Lanzarote (Saturday)
United Kingdom
- Luton Marathon (Sunday)
United States of America
- California International Marathon (Sunday)
- Death Valley Borax Marathon (Saturday)
- Holualoa Tucson Marathon (Sunday)
- Marathon of the Palm Beaches (Sunday)
- St. Jude Memphis Marathon (Saturday)
- Tecumseh Trail Marathon (Saturday)