December 2025 Marathons

January•February•March•April•May•June•July•August•September•October•November•December

Complete list of41marathons happening in December 2025 with dates, locations, and registration information.

NEW: Marathon Search Tool

Find your next race using our advanced marathon search tool.

→

1 2 3 4 5

Guangzhou Marathon

Guangzhou, China

December 21, 2025

Website

1 2 3 4 5

Help Grow Our Marathon Community

Are you a race director, running enthusiast, or seasoned marathon runner? Share your knowledge to help runners discover great races. Every submission makes our directory better.

Submit New Marathon Report Correction