December 2025 Marathons

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

Complete list of42marathons happening in December 2025 with dates, locations, and registration information.

Marathon Search

Find your next race

Find your next race by searching our complete database.

1 2 3 4 5

Honolulu Marathon

Honolulu, Hawaii

December 14, 2025

Website

La Guadalupe Ponce Marathon

Ponce, Puerto Rico

December 14, 2025

2024 Results

Mt. Fuji International Marathon

Fujikawaguchiko, Japan

December 14, 2025

Website

BCS Marathon

College Station, Texas

December 14, 2025

Website

Mississippi Gulf Coast Marathon

Biloxi, Mississippi

December 14, 2025

Website

2024 Results

Maya Marathon

San Miguel de Cozumel, Mexico

December 14, 2025

Website

2024 Results

Tucson Marathon

Oracle, Arizona

December 14, 2025

Website

Portsmouth Coastal Waterside Marathon

Portsmouth, England

December 21, 2025

2024 Results

Hawaii Bird Conservation Marathon

Hilo, Hawaii

December 21, 2025

Website

2024 Results

The Marathon Project

Chandler, Arizona

December 21, 2025

Website

1 2 3 4 5

Find Your Next Marathon

Search our complete database by location, date, and more to discover your next race.

Search marathons by location & date

Search NowSearch

Browse by Month Browse by Country Browse by State

Training Tools & Resources

Training Plans

Personalized marathon training

Pace Calculator

Calculate your target race pace

Heart Rate Zones

Calculate your training zones

Marathon Calendar

Explore 2025 race schedule

Race Results

View recent marathon results

2025 Marathon Guide

Complete guide to 2025 races